(TXT) View Source
       
       # ZYXEL COMMUNICATIONS CORPORATION
       
          OMNI 288S
       
          Card Type                    Modem, fax                        
          Chip Set                     Unidentified                      
          I/O Options                  Microphone, speaker out,          
          Maximum Modem Rate           28.8Kbps                          
          Maximum Fax Rate             14.4Kbps                          
          Data Modulation Protocol     Unidentified                      
          Fax Modulation Protocol      Unidentified                      
          Error Correction/Compression MNP5, V.42, V.42bis               
          Fax Class                    Unidentified                      
          Data Bus                     External                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label  |   Function    |   Label   |
          |------------------------------------------------------------|
          | Serial port                |   CN1   | Line in      | CN4  |
          |----------------------------+---------+--------------+------|
          | Microphone                 |   CN2   | Line out     | CN5  |
          |----------------------------+---------+--------------+------|
          | Speaker out                |   CN3   | Power switch | SW1  |
          +------------------------------------------------------------+
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
                                         
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  |    Color     | Status |          Condition          |
          |------+--------------+--------+-----------------------------|
          |  AA  | Unidentified |   On   |     Auto-answer enabled     |
          |------+--------------+--------+-----------------------------|
          |  AA  | Unidentified |  Off   |    Auto-answer disabled     |
          |------+--------------+--------+-----------------------------|
          | RXD  | Unidentified |   On   |   Modem is receiving data   |
          |------+--------------+--------+-----------------------------|
          | RXD  | Unidentified |  Off   | Modem is not receiving data |
          |------+--------------+--------+-----------------------------|
          | TDX  | Unidentified |   On   | Modem is transmitting data  |
          |------+--------------+--------+-----------------------------|
          | TDX  | Unidentified |  Off   |  Modem is not transmitting  |
          |      |              |        |            data             |
          |------+--------------+--------+-----------------------------|
          |  CD  | Unidentified |   On   |   Carrier signal detected   |
          |------+--------------+--------+-----------------------------|
          |  CD  | Unidentified |  Off   | Carrier signal not detected |
          |------+--------------+--------+-----------------------------|
          | V34  | Unidentified |   On   |   Modem connected at V34    |
          |------+--------------+--------+-----------------------------|
          | V34  | Unidentified |  Off   | Modem not connected at V34  |
          |------+--------------+--------+-----------------------------|
          | V32B | Unidentified |   On   |  Modem connected at V32bis  |
          |------+--------------+--------+-----------------------------|
          | V32B | Unidentified |  Off   |   Modem not connected at    |
          |      |              |        |           V32bis            |
          |------+--------------+--------+-----------------------------|
          |  OH  | Unidentified |   On   |      Modem is off-hook      |
          |------+--------------+--------+-----------------------------|
          |  OH  | Unidentified |  Off   |      Modem is on-hook       |
          |------+--------------+--------+-----------------------------|
          |  EC  | Unidentified |   On   |  Error correction enabled   |
          |------+--------------+--------+-----------------------------|
          |  EC  | Unidentified |  Off   |  Error correction disabled  |
          |------+--------------+--------+-----------------------------|
          |  SQ  |   Blinking   |  Off   |      Failed self test       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, A/                                              |
          |------------------------------------------------------------|
          | A, B, E, M, O, T, V                                        |
          |------------------------------------------------------------|
          | &C, &F, &J, &M, &R, &T, &X, &Z                             |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S16, S18 |
          +------------------------------------------------------------+
       
                                         
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                       BREAK HANDLING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Yn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Break handling                              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &Y0     | Break sent to remote modem immediately      |
          |--------------+---------------------------------------------|
          |     &Y1      | Break sent to remote modem and buffer       |
          |              | cleared                                     |
          |--------------+---------------------------------------------|
          |     &Y2      | Send break with transmitted data            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CONFIGURATION PROFILES                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays active and stored configuration    |
          |              | profiles                                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &V0      | View current active settings                |
          |--------------+---------------------------------------------|
          |     &V1      | View user profile 1                         |
          |--------------+---------------------------------------------|
          |     &V2      | View user profile 2                         |
          |--------------+---------------------------------------------|
          |     &V3      | View user profile 3                         |
          |--------------+---------------------------------------------|
          |     &V4      | View user profile 4                         |
          |--------------+---------------------------------------------|
          |     &V5      | View factory default settings               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DATA RATE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the DTE rate                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &B0     | Serial speed follows connect speed          |
          |--------------+---------------------------------------------|
          |     &B1      | Serial speed locked                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &S0     | DSR forced high                             |
          |--------------+---------------------------------------------|
          |     &S1      | DSR according to CCITT (ITU-TSS)            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:         | Configuration                              |
          |---------------+--------------------------------------------|
          | Format:       | AT [cmds] &Dn [cmds]                       |
          |---------------+--------------------------------------------|
          | Description:  | Selects modem response to DTR              |
          |------------------------------------------------------------|
          |      Note: The action each variant of &D causes depends on |
          |      the setting of &Q                                     |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í &D0     | Modem does not respond to DTR              |
          |---------------+--------------------------------------------|
          |      &D1      | Modem goes to command mode after DTR goes  |
          |               | is off                                     |
          |---------------+--------------------------------------------|
          |      &D2      | Modem goes to command mode and disconnects |
          |               | (hangs up) after DTR goes off; Auto-Answer |
          |               | is disabled.                               |
          |---------------+--------------------------------------------|
          |      &D3      | Modem is initialized after DTR goes off    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      DR      | Answer mode enabled; originate mode         |
          |              | disabled following handshake initiation.    |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled/Pulse dialing disabled |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection                                   |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register                              |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quite Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      DL      | Repeat last ATD command                     |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DOWNLOAD FIRMWARE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] UPX [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Download firmware to the Flash EPROM using  |
          |              | Xmodem protocol                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       ERROR CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables error control options               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Error control disabled                      |
          |--------------+---------------------------------------------|
          |     &K1      | Error control enabled                       |
          |--------------+---------------------------------------------|
          |     &K2      | MNP4 and MNP5 error control enabled         |
          |--------------+---------------------------------------------|
          |    í &K3     | V.42 and MNP4 error control enabled         |
          |--------------+---------------------------------------------|
          |     &K4      | V.42 and V.42bis error control enabled      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         GUARD TONE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Commands the modem to transmit a guard tone |
          |              | in V.22/V.22bis                             |
          |------------------------------------------------------------|
          |      Note: Used primarily for international data           |
          |      transmission                                          |
          |------------------------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &G0     | Guard tone disabled                         |
          |--------------+---------------------------------------------|
          |     &G2      | 1800Hz guard tone enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            HELP                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] $ [cmds]                          |
          |--------------+---------------------------------------------|
          | Description: | Display help screen                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      $       | Basic command summary                       |
          |--------------+---------------------------------------------|
          |      &$      | Extended command summary                    |
          |--------------+---------------------------------------------|
          |      *$      | Extended command summary                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE TYPE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects line type                           |
          |--------------+---------------------------------------------|
          |   Command    |                  Line Type                  |
          |--------------+---------------------------------------------|
          |    í &L0     | Switched line (PSTN/Dial-up)                |
          |--------------+---------------------------------------------|
          |     &L1      | 2W leased-line                              |
          |--------------+---------------------------------------------|
          |     &L2      | 4W leased-line                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         RE-EXECUTE                         |
          |------------------------------------------------------------|
          | Type:         | Immediate                                  |
          |---------------+--------------------------------------------|
          | Format:       | A> <CR>                                    |
          |---------------+--------------------------------------------|
          | Description:  | Re-executes the last command once or the   |
          |               | last call up to 9 times.                   |
          |------------------------------------------------------------|
          |      Note: Do not precede this command with AT. This       |
          |      version of the escape sequence is used in non-Hayes   |
          |      modems.                                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports modem model and speed               |
          |--------------+---------------------------------------------|
          |      I1      | Reports ROM checksum                        |
          |--------------+---------------------------------------------|
          |      I2      | Report modem link status                    |
          |--------------+---------------------------------------------|
          |     I12      | Report physical layer status                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE                                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í Q0     | Result code sending enabled                 |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled                |
          |--------------+---------------------------------------------|
          |      Q2      | Modem returns result code but quiet after   |
          |              | answering on a RING                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RING VOLUME                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Nn [cmds]                         |
          |--------------+---------------------------------------------|
          | Default:     | 5                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-7                                         |
          |--------------+---------------------------------------------|
          | Description: | Ring volume control. ‘NO’ will disable the  |
          |              | audio ring function                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      MODEM LINK MODE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Modem link mode options                     |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &N0     | Multi-Auto, auto negotiate highest possible |
          |              | link rate                                   |
          |--------------+---------------------------------------------|
          |     &N1      | V.33 14400/12000                            |
          |--------------+---------------------------------------------|
          |     &N2      | V.33 12000                                  |
          |--------------+---------------------------------------------|
          |     &N3      | V.32 9600T/9600/7200T/4800                  |
          |--------------+---------------------------------------------|
          |     &N4      | V.32 9600/7200/4800                         |
          |--------------+---------------------------------------------|
          |     &N5      | V.32 4800                                   |
          |--------------+---------------------------------------------|
          |     &N12     | V.23 1200/75                                |
          |--------------+---------------------------------------------|
          |     &N13     | V.23 600/75                                 |
          |--------------+---------------------------------------------|
          |     &N14     | V.22bis 2400/1200                           |
          |--------------+---------------------------------------------|
          |     &N15     | V.22 1200                                   |
          |--------------+---------------------------------------------|
          |     &N16     | V.21 300                                    |
          |--------------+---------------------------------------------|
          |     &N17     | V.32bis 14400/12000/9600/7200/4800          |
          |--------------+---------------------------------------------|
          |     &N18     | V.32bis 12000/9600/7200/4800                |
          |--------------+---------------------------------------------|
          |     &N19     | V.32bis 7200/4800                           |
          |--------------+---------------------------------------------|
          |     &N24     | BELL 212A 1200                              |
          |--------------+---------------------------------------------|
          |     &N25     | BELL 103 300                                |
          |--------------+---------------------------------------------|
          |     &N32     | G3 Fax V.17/V.29/V.27ter                    |
          |              | 14400/12000/9600/7200/4800/2400             |
          |--------------+---------------------------------------------|
          |     &N34     | ZyXEL 19200                                 |
          |--------------+---------------------------------------------|
          |     &N35     | ZyXEL 16800                                 |
          |--------------+---------------------------------------------|
          |     &N36     | ZyXEL 14400                                 |
          |--------------+---------------------------------------------|
          |     &N37     | ZyXEL 12000                                 |
          |--------------+---------------------------------------------|
          |     &N38     | ZyXEL 9600                                  |
          |--------------+---------------------------------------------|
          |     &N39     | ZyXEL 7200                                  |
          |--------------+---------------------------------------------|
          |     &N42     | CELL 14400                                  |
          |--------------+---------------------------------------------|
          |     &N43     | CELL 12000                                  |
          |--------------+---------------------------------------------|
          |     &N44     | CELL 9600                                   |
          |--------------+---------------------------------------------|
          |     &N45     | CELL 7200                                   |
          |--------------+---------------------------------------------|
          |     &N46     | CELL 4800T                                  |
          |--------------+---------------------------------------------|
          |     &N62     | V.34 28800                                  |
          |--------------+---------------------------------------------|
          |     &N63     | V.34 26400                                  |
          |--------------+---------------------------------------------|
          |     &N64     | V.34 24000                                  |
          |--------------+---------------------------------------------|
          |     &N65     | V.34 21600                                  |
          |--------------+---------------------------------------------|
          |     &N66     | V.34 19200                                  |
          |--------------+---------------------------------------------|
          |     &N67     | V.34 16800                                  |
          |--------------+---------------------------------------------|
          |     &N68     | V.34 14400                                  |
          |--------------+---------------------------------------------|
          |     &N69     | V.34 12000                                  |
          |--------------+---------------------------------------------|
          |     &N70     | V.34 9600                                   |
          |--------------+---------------------------------------------|
          |     &N71     | V.34 7200                                   |
          |--------------+---------------------------------------------|
          |     &N72     | V.34 4800                                   |
          |--------------+---------------------------------------------|
          |     &N73     | V.34 2400                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PULSE DIALING RATIO                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects pulse dial make/break ratio         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &P0     | 39/61ms at 10pps (North America)            |
          |--------------+---------------------------------------------|
          |     &P1      | 33/67ms at 10pps (Europe)                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SELECT CALL PROGRESS RESULT CODES              |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Xn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables selection of tone detection and     |
          |              | associated result code format options       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      X0      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 4 enabled.                 |
          |--------------+---------------------------------------------|
          |      X1      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 5 & 10 enabled.            |
          |--------------+---------------------------------------------|
          |      X2      | Busy tone detection disabled, dial tone     |
          |              | detection enabled; result codes 0 - 6 & 10  |
          |              | enabled.                                    |
          |--------------+---------------------------------------------|
          |      X3      | Busy tone detection enabled, dial tone      |
          |              | detection disabled; result codes 0 - 5, 7 & |
          |              | 10 enabled.                                 |
          |--------------+---------------------------------------------|
          |      X4      | Busy and dial tone detection enabled;       |
          |              | result codes 0 - 7 & 10 enabled.            |
          |--------------+---------------------------------------------|
          |      X5      | Busy and dial tone detection enabled:       |
          |              | result codes 0 - 7 & 10 enabled. Reports    |
          |              | DTE speed, all CARRIER & PROTOCOL extended  |
          |              | result codes enabled                        |
          |--------------+---------------------------------------------|
          |      X6      | Busy and dial tone detection enabled;       |
          |              | result codes 0 - 7 & 10 enabled. Reports    |
          |              | DCE speed, all extended result codes        |
          |              | disabled                                    |
          |--------------+---------------------------------------------|
          |      X7      | Busy and dial tone detection enabled;       |
          |              | result codes 0 - 7 & 10 enabled. Reports    |
          |              | DCE speed, all CARRIER & PROTOCOL extended  |
          |              | result codes enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         SOFT RESET                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Zn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Restores modem profiles previously saved in |
          |              | non-volatile RAM using the &W command.      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Z0      | Restore setting 0                           |
          |--------------+---------------------------------------------|
          |      Z1      | Restore setting 1                           |
          |--------------+---------------------------------------------|
          |      Z2      | Restore setting 2                           |
          |--------------+---------------------------------------------|
          |      Z3      | Restore setting 3                           |
          |--------------+---------------------------------------------|
          |      Z4      | Restore factory settings                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Default:     | 4                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-7                                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    STORE ACTIVE PROFILE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Writes the values for the user profile n    |
          |              | into the non-volatile RAM                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    TERMINATE CONNECTION                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | <any key> <CR>                              |
          |--------------+---------------------------------------------|
          | Description: | Terminate current connection attempt when   |
          |              | enter in handshaking state.                 |
          |------------------------------------------------------------|
          |      Note: Do not precede this command with AT. This       |
          |      version of the escape sequence is used in non-Hayes   |
          |      modems.                                               |
          +------------------------------------------------------------+
       
                             Extended AT Command Set
       
          +------------------------------------------------------------+
          |                    AUTO HANDSHAKE MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Leased line auto-handshake mode selection   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *M0      | Set to Originate mode                       |
          |--------------+---------------------------------------------|
          |     *M1      | Set to Answer mode                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CALLER ID                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *T [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Recall the last CND (Caller ID) information |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      CHARACTER LENGTH                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the character length, including    |
          |              | start, stop and parity bit                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *C0      | 10-bit character length                     |
          |--------------+---------------------------------------------|
          |     *C1      | 11-bit character length                     |
          |--------------+---------------------------------------------|
          |     *C2      | 9-bit character length                      |
          |--------------+---------------------------------------------|
          |     *C3      | 8-bit character length                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMMAND SET                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Command set selection                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *I0      | AT command set                              |
          |--------------+---------------------------------------------|
          |     *I1      | V.25bis command set                         |
          |--------------+---------------------------------------------|
          |     *I2      | Dumb mode                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CONFIGURATION PROFILE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Wab [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Write local configuration profile a to      |
          |              | remote user profile b and reset modem from  |
          |              | profile b                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     a=0      | Assign local user profile 0 to "a"          |
          |--------------+---------------------------------------------|
          |     a=1      | Assign local user profile 1 to "a"          |
          |--------------+---------------------------------------------|
          |     a=2      | Assign local user profile 2 to "a"          |
          |--------------+---------------------------------------------|
          |     a=3      | Assign local user profile 3 to "a"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 0 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 1 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 2 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 3 to "b"          |
          |--------------+---------------------------------------------|
          |     a=4      | Local active configuration                  |
          |--------------+---------------------------------------------|
          |     a=5      | Local factory default configuration         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DEFAULT DIAL POINTER                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0-49                                        |
          |--------------+---------------------------------------------|
          | Description: | Set default dial pointer at telephone       |
          |              | directory location n                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        LINE QUALITY                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Action taken when line quality changes      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *Q0      | No action to poor signal quality            |
          |--------------+---------------------------------------------|
          |     *Q1      | Retrain action taken in signal quality is   |
          |              | poor                                        |
          |--------------+---------------------------------------------|
          |     *Q2      | Adaptive rate, automatic fall-back or       |
          |              | forward                                     |
          |--------------+---------------------------------------------|
          |     *Q3      | Disconnect if signal quality is poor        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              MODEM ERROR CONTROL NEGOTIATION               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Modem error control negotiation             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *E0      | If error control negotiation fails, keep    |
          |              | the non-error control connection            |
          |--------------+---------------------------------------------|
          |     *E1      | If error control negotiation fails,         |
          |              | disconnect the call (hang-up)               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       PASSWORD TABLE                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *V [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | View the Password table                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    REMOTE CONFIGURATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Remoter configuration enable                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *F0      | Deny remote configuration                   |
          |--------------+---------------------------------------------|
          |     *F1      | Accept remote configuration                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       REMOTE PROFILE                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Rab [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Read the remote profile "b" to local user   |
          |              | profile "a"                                 |
          |--------------+---------------------------------------------|
          |   Options    |                  Function                   |
          |--------------+---------------------------------------------|
          |     a=0      | Assign local user profile 0 to "a"          |
          |--------------+---------------------------------------------|
          |     a=1      | Assign local user profile 1 to "a"          |
          |--------------+---------------------------------------------|
          |     a=2      | Assign local user profile 2 to "a"          |
          |--------------+---------------------------------------------|
          |     a=3      | Assign local user profile 3 to "a"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 0 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 1 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 2 to "b"          |
          |--------------+---------------------------------------------|
          |     b=0      | Assign local user profile 3 to "b"          |
          |--------------+---------------------------------------------|
          |     b=4      | Remote active configuration                 |
          |--------------+---------------------------------------------|
          |     b=5      | Remote factory default configuration        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SECURITY FUNCTION                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Security function selection                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *G0      | Disable security functions                  |
          |--------------+---------------------------------------------|
          |     *G1      | Enable type 1 security, with password check |
          |--------------+---------------------------------------------|
          |     *G2      | Enable type 1 security, with password check |
          |              | and call back                               |
          |--------------+---------------------------------------------|
          |     *G3      | Enable type 2 security, with password check |
          |--------------+---------------------------------------------|
          |     *G4      | Enable type 2 security, with password check |
          |              | and call back                               |
          |--------------+---------------------------------------------|
          |     *G5      | Enable type 2 security, with password check |
          |              | and call back, remote user enters the call  |
          |              | back number.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SUPERVISOR PASSWORD                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *HS [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Modify supervisory password (default:       |
          |              | "ZyXEL")                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  TRANSMISSION POWER LEVEL                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 9                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-15                                        |
          |--------------+---------------------------------------------|
          | Description: | Set leased line transmission power level    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       USER PASSWORD                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0-49                                        |
          |--------------+---------------------------------------------|
          | Description: | Modify user password table at location n    |
          +------------------------------------------------------------+
       
                               S(status) -REGISTERS
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S13                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S13=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 170                                         |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Capture modem information                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S14=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 170                                         |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-handshake                     |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Modem auto-handshake on Originate mode      |
          |      |       |                                             |
          |      |     1 | Modem auto-handshake on Answer mode         |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Grant remote Digital Loop-back test request |
          |      |       |                                             |
          |      |   í 1 | Deny remote Digital Loop-back test request  |
          |------+-------+---------------------------------------------|
          | 3,2  |   í 0 | Dial-up line                                |
          |      |       |                                             |
          |      |     1 | 2-wire leased line                          |
          |      |       |                                             |
          |      |     8 | 4-wire leased line                          |
          |------+-------+---------------------------------------------|
          | 5,4  |   í 0 | Internal clock                              |
          |      |       |                                             |
          |      |    16 | External clock                              |
          |      |       |                                             |
          |      |    32 | Remote clock                                |
          |------+-------+---------------------------------------------|
          | 7,6  |   í 0 | Asynchronous data with buffering            |
          |      |       |                                             |
          |      |    64 | Asynchronous command, synchronous data      |
          |      |       |                                             |
          |      |   128 | Direct asynchronous, no data buffering      |
          |      |       |                                             |
          |      |   192 | Synchronous                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT_MAPPED REGISTER S15                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S15=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls parity                             |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 0,1  |   í 0 | Even parity                                 |
          |      |       |                                             |
          |      |     1 | Odd parity                                  |
          |      |       |                                             |
          |      |     2 | No parity                                   |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | 1 stop bit                                  |
          |      |       |                                             |
          |      |     4 | 2 stop bits                                 |
          |------+-------+---------------------------------------------|
          | 4,3  |   í 0 | 10 bit character length                     |
          |      |       |                                             |
          |      |     8 | 11 bit character length                     |
          |      |       |                                             |
          |      |    16 | 9 bit character length                      |
          |      |       |                                             |
          |      |    24 | 8 bit character length                      |
          |------+-------+---------------------------------------------|
          | 7-5  |   í 0 | Profile 0 as active settings after power on |
          |      |       |                                             |
          |      |    32 | Profile 1 as active settings after power on |
          |      |       |                                             |
          |      |    64 | Profile 2 as active settings after power on |
          |      |       |                                             |
          |      |    96 | Profile 3 as active settings after power on |
          |      |       |                                             |
          |      |   128 | Factory default as active settings after    |
          |      |       | power on                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S17                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S17=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls dialing                            |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Disable secondary channel                   |
          |------+-------+---------------------------------------------|
          | 4-1  |     í | Set leased line transmit power level from 0 |
          |      |  0-30 | to 15 dBn.                                  |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Normal dial                                 |
          |      |       |                                             |
          |      |    32 | Reverse dial, go on-line in answer mode     |
          |------+-------+---------------------------------------------|
          | 7,6  |   í 0 | AT command set                              |
          |      |       |                                             |
          |      |    64 | V.25bis command set                         |
          |      |       |                                             |
          |      |   128 | Dumb mode                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BAUD RATE                          |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S18=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Force modem to fix baud rate when answering |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Disable fixed baud rate                     |
          |------+-------+---------------------------------------------|
          | 1-46 |  1-2E | Enable baud rate to be fixed when           |
          |      |       | answering. Baud rate value settings (n) the |
          |      |       | same as S20                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   MODEM CONNECTION MODE                    |
          |------------------------------------------------------------|
          | Type:                 | Register                           |
          |-----------------------+------------------------------------|
          | Format                | AT [cmds] S19=n [cmds]             |
          |-----------------------+------------------------------------|
          | Description:          | MODEM CONNECTION MODE              |
          |------------------------------------------------------------|
          |      Note: S18=0 disables the timer and allows an          |
          |      indefinite duration.                                  |
          |------------------------------------------------------------|
          |   Value    |                   Function                    |
          |------------+-----------------------------------------------|
          |    0-73    | Setting value as ‘AT&Nn’ command              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S20                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S20=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | DTE speed (bps). Auto detect from AT        |
          |              | Command                                     |
          |--------------+---------------------------------------------|
          |    Value     |                  Function                   |
          |--------------+---------------------------------------------|
          |    S20=0     | 230400bps                                   |
          |--------------+---------------------------------------------|
          |    S20=1     | 115200bps                                   |
          |--------------+---------------------------------------------|
          |    S20=2     | 76800bps                                    |
          |--------------+---------------------------------------------|
          |    S20=3     | 57600bps                                    |
          |--------------+---------------------------------------------|
          |    S20=4     | 38400bps                                    |
          |--------------+---------------------------------------------|
          |    S20=5     | 19200bps                                    |
          |--------------+---------------------------------------------|
          |    S20=6     | 16800bps                                    |
          |--------------+---------------------------------------------|
          |    S20=7     | 14400bps                                    |
          |--------------+---------------------------------------------|
          |    S20=8     | 12000bps                                    |
          |--------------+---------------------------------------------|
          |    S20=9     | 9600bps                                     |
          |--------------+---------------------------------------------|
          |    S20=10    | 7200bps                                     |
          |--------------+---------------------------------------------|
          |    S20=11    | 4800bps                                     |
          |--------------+---------------------------------------------|
          |    S20=12    | 2400bps                                     |
          |--------------+---------------------------------------------|
          |    S20=13    | 1200bps                                     |
          |--------------+---------------------------------------------|
          |    S20=14    | 460800bps                                   |
          |--------------+---------------------------------------------|
          |    S20=15    | 300bps                                      |
          |--------------+---------------------------------------------|
          |    S20=16    | 307200bps                                   |
          |--------------+---------------------------------------------|
          |    S20=17    | 153600bps                                   |
          |--------------+---------------------------------------------|
          |    S20=18    | 102400bps                                   |
          |--------------+---------------------------------------------|
          |    S20=20    | 61440bps                                    |
          |--------------+---------------------------------------------|
          |    S20=21    | 51200bps                                    |
          |--------------+---------------------------------------------|
          |    S20=22    | 62400bps                                    |
          |--------------+---------------------------------------------|
          |    S20=24    | 124800bps                                   |
          |--------------+---------------------------------------------|
          |    S20=25    | 62400bps                                    |
          |--------------+---------------------------------------------|
          |    S20=26    | 41600bps                                    |
          |--------------+---------------------------------------------|
          |    S20=27    | 31200bps                                    |
          |--------------+---------------------------------------------|
          |    S20=28    | 24960bps                                    |
          |--------------+---------------------------------------------|
          |    S20=29    | 20800bps                                    |
          |--------------+---------------------------------------------|
          |    S20=46    | 92160bps                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S21=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Auto speed detection                        |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Maintain non-error control connection when  |
          |      |       | modem error control handshake fails         |
          |      |     1 |                                             |
          |      |       | Drop connection when modem error control    |
          |      |       | handshake fails                             |
          |------+-------+---------------------------------------------|
          | 1-2  |     0 | Speaker always off                          |
          |      |       |                                             |
          |      |     2 | Speaker on until carrier is detected        |
          |      |       |                                             |
          |      |     4 | Speaker always on                           |
          |      |       |                                             |
          |      |     6 | Speaker on after last digit is dialed out   |
          |      |       | until carrier is detected                   |
          |------+-------+---------------------------------------------|
          |  3   |     0 | DSR always on                               |
          |      |       |                                             |
          |      |     8 | According to CCITT                          |
          |------+-------+---------------------------------------------|
          |  4   |     0 | CD always on                                |
          |      |       |                                             |
          |      |    16 | CD tracks presence of data carrier          |
          |------+-------+---------------------------------------------|
          |  5   |     0 | CTS follows RTS in synchronous mode.        |
          |      |       |                                             |
          |      |       | Response delay set in S26.                  |
          |------+-------+---------------------------------------------|
          |      |    32 | Ignore RTS (CTS always on) in synchronous   |
          |      |       | mode.                                       |
          |------+-------+---------------------------------------------|
          | 6-7  |     0 | Assume DTR always on                        |
          |      |       |                                             |
          |      |    64 |   108.1  DTR off-on transition causes dial  |
          |      |       |   of the default number                     |
          |      |   128 |                                             |
          |      |       |   108.2  Data Terminal Ready. DTR off       |
          |      |   192 |   causes the modem to hang up and return to |
          |      |       |   command mode                              |
          |      |       |                                             |
          |      |       | 108.2 DTR off causes the modem to hang up   |
          |      |       | and reset the modem to profile #0 after DTR |
          |      |       | dropped                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S23                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S23=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Command echo disabled                       |
          |      |       |                                             |
          |      |     1 | Command echo enabled                        |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Tone dial                                   |
          |      |       |                                             |
          |      |     2 | Tone dial                                   |
          |------+-------+---------------------------------------------|
          |  2   |     0 | Pulse dial make/break ratio = 39% / 61%     |
          |      |       |                                             |
          |      |     4 | Pulse dial make/break ratio = 33% / 67%     |
          |------+-------+---------------------------------------------|
          | 3-5  |     0 | ATX0                                        |
          |      |       |                                             |
          |      |     8 | ATX1                                        |
          |      |       |                                             |
          |      |    16 | ATX2                                        |
          |      |       |                                             |
          |      |    24 | ATX3                                        |
          |      |       |                                             |
          |      |    32 | ATX4                                        |
          |      |       |                                             |
          |      |    40 | ATX5                                        |
          |      |       |                                             |
          |      |    48 | ATX5, error control result code enabled     |
          |      |       |                                             |
          |      |    56 | ATX6, error control result code enabled     |
          |------+-------+---------------------------------------------|
          |  6   |     0 | Display result code in verbose format (see  |
          |      |       | S35.7)                                      |
          |      |    64 |                                             |
          |      |       | Display result code in verbose format       |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Modem returns result state                  |
          |      |       |                                             |
          |      |   128 | Modem does not return result code           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S24                   |
          |------------------------------------------------------------|
          | Type:         | Register                                   |
          |---------------+--------------------------------------------|
          | Format        | AT [cmds] S24=n [cmds]                     |
          |---------------+--------------------------------------------|
          | Default:      | Unidentified                               |
          |---------------+--------------------------------------------|
          | Unit:         | Unidentified                               |
          |---------------+--------------------------------------------|
          | Description:  | Bit mapped register                        |
          |---------------+--------------------------------------------|
          | Bit  | Value  |                  Function                  |
          |------+--------+--------------------------------------------|
          | 2-0  |  0-7   | Ring volume control                        |
          |------+--------+--------------------------------------------|
          | 6-4  | 16-112 | Speaker volume control                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DTR TIME DELAY                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S25=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Specify the time delay that DTR signal      |
          |              | needs to be off before it will be           |
          |              | recognizedIf S25=0, the delay time is set   |
          |              | to 4ms.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       RTS/CTS DELAY                        |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S26=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Set the delay, in 10ms units between the    |
          |              | RTS and modem’s CTS response in synchronous |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S27                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S27=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-----------------------------------------------------|
          | 0-2  |   0 | No error control                              |
          |      |     |                                               |
          |      |   1 | MNP4 and MNP3 error control                   |
          |      |     |                                               |
          |      |   2 | MNP4 and MNP5 error control                   |
          |      |     |                                               |
          |      |   3 | V.42 and MNP4 error control                   |
          |      |     |                                               |
          |      |   4 | V.42 and V.42bis error control                |
          |------+-----------------------------------------------------|
          | 3-5  |     0 | Flow control disabled                       |
          |      |       |                                             |
          |      |    24 | Hardware (RTS/CTS) flow control             |
          |      |       |                                             |
          |      |    32 | Software (XON/XOFF) flow control            |
          |      |       |                                             |
          |      |    40 | Reserved                                    |
          |------+-------+---------------------------------------------|
          | 6-7  |     0 | No response to poor signal quality          |
          |      |       |                                             |
          |      |    64 | Retrain action taken if signal quality *Q1  |
          |      |       | is poor                                     |
          |      |   128 |                                             |
          |      |       | Adaptive rate (auto fall back/forward) when |
          |      |   192 | signal quality changes                      |
          |      |       |                                             |
          |      |       | Disconnect when signal quality is poor      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S28                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S28=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Reserved                                    |
          |      |       |                                             |
          |      |     1 | Multiple phone/modem line                   |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Panel key is normal                         |
          |      |       |                                             |
          |      |     1 | Panel key is locked                         |
          |------+-------+---------------------------------------------|
          | 2-3  |     0 | Destructive, expedited break                |
          |      |       |                                             |
          |      |     1 | Non-destructive expedited break             |
          |      |       |                                             |
          |      |    10 | Non-destructive, un-expedited break         |
          |------+-------+---------------------------------------------|
          | 4-5  |     0 | No guard tone                               |
          |      |       |                                             |
          |      |    16 | Reserved                                    |
          |      |       |                                             |
          |      |    32 | 1800Hz guard tone                           |
          |------+-------+---------------------------------------------|
          |  6   |     0 | DTE/DCE rate follows link rate              |
          |      |       |                                             |
          |      |     1 | DTE/DCE rate is fixed at the DTE setting    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Select V.22 for 1200bps communications      |
          |      |       |                                             |
          |      |   128 | Select Bell 212A for 1200bps communication  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PHONE NUMBER POINTER                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S29=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-49                                        |
          |--------------+---------------------------------------------|
          | Description: | Set default dial phone number pointer, use  |
          |              | AT&Zn=s to store phone numbers              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         XON VALUE                          |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S31=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Description: | Holds the ASCII decimal value of the XON    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         XOFF VALUE                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S32=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Description: | Holds the ASCII decimal value of the XOFF   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S35                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S35=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     1 | Use CELL 4800T trellis coded 4800 for V.32  |
          |      |       | 4800 (available with cellular mode only)    |
          |------+-------+---------------------------------------------|
          |  1   |     2 | Disable aborting from terminal during modem |
          |      |       | handshaking                                 |
          |------+-------+---------------------------------------------|
          |  2   |     4 | V.26 alternative A.                         |
          |------+-------+---------------------------------------------|
          |  3   |     8 | Add 12dBm attenuation to the leased line    |
          |------+-------+---------------------------------------------|
          |  4   |    16 | When Data/Voice with is pressed, modem will |
          |      |       | dial the default number                     |
          |------+-------+---------------------------------------------|
          |  5   |    32 | Enable Selective Reject in V.42             |
          |------+-------+---------------------------------------------|
          |  6   |    64 | Enable password protection to profile       |
          |      |       | saving. When ‘AT&W0’ is issued, and profile |
          |      |       | 0 in the NVRAM has this bit set, the        |
          |      |       | supervisory password will be requested.     |
          |      |       | This bit in profile 0 also protects the     |
          |      |       | supervisory password from a hardware reset. |
          |------+-------+---------------------------------------------|
          |  7   |   128 | Enable extended numerical result codes from |
          |      |       | 50-71 when an error corrected connection is |
          |      |       | made. Use with ATV0.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BIT MAPPED REGISTER                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S36=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Deny remote request for configuration       |
          |      |       |                                             |
          |      |     1 | Grant remote request for configuration      |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Write from local profile to remote profile  |
          |      |       |                                             |
          |      |     2 | Read from local profile to remote profile   |
          |------+-------+---------------------------------------------|
          | 7-5  |     0 | Disable security function                   |
          |      |       |                                             |
          |      |    32 | Enable type 1 security with password check  |
          |      |       |                                             |
          |      |    64 | Enable type 1 security with password check  |
          |      |       | and call-back (ZyXEL to ZyXEL only)         |
          |      |    96 |                                             |
          |      |       | Enable type 2 security with password check  |
          |      |   128 |                                             |
          |      |       | Enable type 2 security with password check  |
          |      |   160 | and call-back                               |
          |      |       |                                             |
          |      |       | Enable type 2 security with password check  |
          |      |       | and call-back, remote site enters the       |
          |      |       | call-back number                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S37                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register for remote              |
          |              | configuration using panel menu control      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 3-0  |   0-5 | Remote profile number                       |
          |------+-------+---------------------------------------------|
          | 7-4  |  0-80 | Local profile number                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S38                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S38=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     1 | Repeatedly dialing default number           |
          |------+-------+---------------------------------------------|
          |  3   |     8 | DCD ON/OFF sequence follows UNIX standard,  |
          |      |       | DCD high before connect message is sent,    |
          |      |       | DCD off after last DCE response is sent.    |
          |------+-------+---------------------------------------------|
          |  4   |    16 | Auto-mode fax receiving disabled            |
          |------+-------+---------------------------------------------|
          |  5   |    32 | Disable MNP5                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED RIGESTER S39                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S39=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  2   |     4 | Answer in originating mode                  |
          |------+-------+---------------------------------------------|
          |  3   |     8 | Class 2 Fax Bitfax compatibility: +FCON at  |
          |      |       | 2400 next phase at 19200                    |
          |------+-------+---------------------------------------------|
          |  4   |    16 | Class 2 Fax mode DTE shifting: +FCON at     |
          |      |       | current DTE, shift to 19,200 when entering  |
          |      |       | into the next phase                         |
          |------+-------+---------------------------------------------|
          |  5   |    32 | Disable scrambler/descrambler in V.26bis    |
          |      |       | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S40=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  1   |     2 | No result code displayed in answer mode     |
          |------+-------+---------------------------------------------|
          |  2   |     4 | Enables caller ID detection                 |
          |------+-------+---------------------------------------------|
          |  3   |     8 | Enables type 1 ring detection               |
          |------+-------+---------------------------------------------|
          |  4   |    16 | Enables type 2 ring detection               |
          |------+-------+---------------------------------------------|
          |  5   |    32 | Enables type 3 ring detection               |
          |------+-------+---------------------------------------------|
          |  6   |    64 | Enables type 4 ring detection               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S41                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S41=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     1 | Special MNP compatibility.                  |
          |------+-------+---------------------------------------------|
          |  2   |     4 | Disable retrain abort, up to 5 min. for     |
          |      |       | special satellite line condition            |
          |------+-------+---------------------------------------------|
          |  3   |     8 | Enable CCITT signals 140 and 141 on EIA232D |
          |      |       | interface                                   |
          |------+-------+---------------------------------------------|
          |  4   |    16 | In X2-X7 setting, modem waits for S6        |
          |      |       | seconds before dialing and ignors dial tone |
          |      |       | detection                                   |
          |------+-------+---------------------------------------------|
          |  5   |    32 | DSR follows DCD and pulses                  |
          |------+-------+---------------------------------------------|
          |  6   |    64 | Force S0>=2                                 |
          |------+-------+---------------------------------------------|
          |  7   |   128 | Ignore calling tone, not to be used as fax  |
          |      |       | detection                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S42                   |
          |------------------------------------------------------------|
          | Type:              | Register                              |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S42=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Description:   | Bit mapped register                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    1     |     2 | Enable throughput averaging             |
          |----------+-------+-----------------------------------------|
          |    2     |     4 | CND message will be forced on even if   |
          |          |       | AT02 is set                             |
          |----------+-------+-----------------------------------------|
          |    3     |     8 | Disable escape sequence code in answer  |
          |          |       | mode                                    |
          |----------+-------+-----------------------------------------|
          |    4     |    16 | Disable V.17, 14,400 fax in calling     |
          |          |       | made, no effect to answering mode &N32  |
          |----------+-------+-----------------------------------------|
          |    5     |    32 | Disable Data/Voice button               |
          |----------+-------+-----------------------------------------|
          |    6     |    64 | Disable ‘RINGING’ result code           |
          |----------+-------+-----------------------------------------|
          |    7     |   128 | DCD forced on but pulse off for 0.5     |
          |          |       | seconds at carrier loss                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S43                   |
          |------------------------------------------------------------|
          | Type:              | Register                              |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S43=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Description:   | Bit mapped register                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    0     |     1 | Disable ZyXEL 16800 in Multi-Auto mode  |
          |----------+-------+-----------------------------------------|
          |    1     |     2 | Disable ZyXEL 19200 in Multi-Auto mode  |
          |----------+-------+-----------------------------------------|
          |    2     |     4 | Disable cellular mode automatic         |
          |          |       | transmit power adjustment               |
          |----------+-------+-----------------------------------------|
          |    3     |     0 | Enable cellular mode in Multi-Auto mode |
          |----------+-------+-----------------------------------------|
          |          |     8 | Disable cellular mode in Multi-Auto     |
          |          |       | mode                                    |
          |----------+-------+-----------------------------------------|
          |    6     |    64 | Enable 1.5sec., p[ause between off-hook |
          |          |       | and modem answering                     |
          |----------+-------+-----------------------------------------|
          |    7     |   128 | Modem hang-up if the line condition     |
          |          |       | does not permit modem to run highest    |
          |          |       | speed set by ‘&Nn’ command              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S44                   |
          |------------------------------------------------------------|
          | Type:                | Register                            |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S44=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Description:   | Bit mapped register                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    3     |     8 | ATDSn initiates auto-dial of the stored |
          |          |       | numbers consecutively until connection  |
          |          |       | is made                                 |
          |----------+-------+-----------------------------------------|
          |    4     |    16 | DSR follows DTR                         |
          |----------+-------+-----------------------------------------|
          |    5     |    32 | Enable V.13 half-duplex simulation in   |
          |          |       | synchronous mode                        |
          |----------+-------+-----------------------------------------|
          |    6     |    64 | When selected with ‘&Bo’. DTE speed     |
          |          |       | fixed at 38400 when the link speed is   |
          |          |       | above 9600. DTE speed fixed at 9600 if  |
          |          |       | link speed is 7200, DTE speed follows   |
          |          |       | link speed. When selected with &B1, DTE |
          |          |       | speed fixed at current rate when an ARQ |
          |          |       | connection is made, when a non-ARQ      |
          |          |       | connection is made, DTE speed follows   |
          |          |       | the link speed. (see also S18)          |
          |----------+-------+-----------------------------------------|
          |    7     |   128 | Enable UK type short-to-short ring-back |
          |          |       | detection.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CND SILENCE                         |
          |------------------------------------------------------------|
          | Type:                      | Register                      |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S45=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Units:       | 20ms                                        |
          |--------------+---------------------------------------------|
          | Description: | Delay during which the CND silence          |
          |              | detection is disabled                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CND SILENCE                         |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S46=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Units:       | 20ms                                        |
          |--------------+---------------------------------------------|
          | Description: | CND silence detection interval. To process  |
          |              | the CND, silence must be detected for the   |
          |              | specified interval                          |
          +------------------------------------------------------------+
       
                                         
       
                                         
       
                                         
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S48                   |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S48=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Description:   | Bit mapped register                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    0     |     1 | Cause CND information to be reported in |
          |          |       | raw format                              |
          |----------+-------+-----------------------------------------|
          |    1     |     2 | Enable data only mode. Auto-detect      |
          |          |       | V.34/ZyX/V.32bis/V.22bis/V.23/V.21 Bell |
          |          |       | 103 when answering. If the connection   |
          |          |       | try fails, the modem will continuously  |
          |          |       | recycle the handshaking procedure until |
          |          |       | the S7 register times out               |
          |----------+-------+-----------------------------------------|
          |    2     |     4 | Enable data calling tone (CNG) send     |
          |----------+-------+-----------------------------------------|
          |    3     |     8 | Reverse the V.23 channel speed.         |
          |          |       | Originate mode modem speed              |
          |          |       | (Send/Receive) 1200/75; Answer mode     |
          |          |       | modem speed (Send/Receive) 75/1200      |
          |----------+-------+-----------------------------------------|
          |    4     |    16 | (work with &D1 command) DTR ON will     |
          |          |       | have the modem dial the default number  |
          |          |       | and DTR OFF will have the modem hang-up |
          |          |       | and reset to profile 0. When the modem  |
          |          |       | is idle, it will not dial any number    |
          |          |       | when DTR changes from on to off         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S49                   |
          |------------------------------------------------------------|
          | Type:                            | Register                |
          |------------------------------------------------------------|
          | Format:         | AT [cmds] S49=n [cmds]                   |
          |-----------------+------------------------------------------|
          | Description:    | Bit mapped register                      |
          |------------------------------------------------------------|
          |    Bit    | Value |                Function                |
          |-----------+-------+----------------------------------------|
          |    3-0    |  0-15 | Set cellular mode transmit power level |
          |           |       | -9 to -24 dBn.                         |
          |-----------+-------+----------------------------------------|
          |     7     |     0 | For cellular mode only. Modem is       |
          |           |       | installed in office                    |
          |-----------+-------+----------------------------------------|
          |           |   128 | For cellular mode only. Modem is       |
          |           |       | connected to a mobile phone            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S50                   |
          |------------------------------------------------------------|
          | Type:                         | Register                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S50=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Units:       | 10 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Inactivity timer. The modem counts when     |
          |              | there is no data flow in or out of the      |
          |              | RS-232 serial port. A connection is         |
          |              | disengaged when the counter reaches the     |
          |              | preset value. Set value to ‘0’ to disable   |
          |              | this function                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S51                   |
          |------------------------------------------------------------|
          | Type:                          | Register                  |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S51=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Description:   | Bit mapped register                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |   1-0    |     0 | Disables EDR                            |
          |          |       |                                         |
          |          |     1 | Reports RING twice                      |
          |          |       |                                         |
          |          |     2 | Reports RING four times                 |
          |          |       |                                         |
          |          |     3 | Reports RING six times                  |
          |----------+-------+-----------------------------------------|
          |   3-2    |     0 | Disables DTMF tone                      |
          |          |       |                                         |
          |          |     4 | Reports RING for a DTMF tone            |
          |          |       |                                         |
          |          |     8 | Reports RING ‘DTMF’ for a DTMF tone     |
          |          |       |                                         |
          |          |    12 | Reserved                                |
          |          |       |                                         |
          |          |     1 | Reports RING twice                      |
          |----------+-------+-----------------------------------------|
          |   5-4    |     0 | Disables fax-CNG tone detection         |
          |          |       |                                         |
          |          |    16 | Reports RING for fax CNG tone           |
          |          |       |                                         |
          |          |    32 | Reports RING 1 for a CNG tone           |
          |          |       |                                         |
          |          |    48 | Reports RING 2 for a CNG tone           |
          |----------+-------+-----------------------------------------|
          |   7-6    |     0 | Disables data CNG tone detection        |
          |          |       |                                         |
          |          |    64 | Reports RING for data CNG tone          |
          |          |       |                                         |
          |          |   128 | Reports RING 1 for data CNG tone        |
          |          |       |                                         |
          |          |   192 | Reports RING 3 for data CNG tone        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S52                   |
          |------------------------------------------------------------|
          | Type:                 | Register                           |
          |-----------------------+------------------------------------|
          | Format                | AT [cmds] S52=n [cmds]             |
          |-----------------------+------------------------------------|
          | Description:          | Bit mapped register                |
          |------------------------------------------------------------|
          | Bit | Value |                   Function                   |
          |-----+-------+----------------------------------------------|
          | 4-3 |  0-24 | Receive level adjustment                     |
          |     |       |                                              |
          |     |     0 | -43dBm                                       |
          |     |       |                                              |
          |     |     8 | -33dBn                                       |
          |     |       |                                              |
          |     |    16 | -26dBn                                       |
          |     |       |                                              |
          |     |    24 | -26dBm                                       |
          |-----+-------+----------------------------------------------|
          |  7  |     0 | Select ‘Mark’ as the first signal of the     |
          |     |       | V.23 handshaking sequence                    |
          |-----+-------+----------------------------------------------|
          |     |   128 | Select ‘Space’ as the first signal of the    |
          |     |       | V.23 handshaking sequence                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   HOOK FLASH DETECT TIME                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S56 [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Units:       | 0.1 seconds                                 |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   HOOK FLASH DETECT TIME                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S57 [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  4   |    16 | Enables the reporting of Class 1 capability |
          |      |       | in the response to +FCLASS=?                |
          |------+-------+---------------------------------------------|
          |  6   |     0 | Disabled busy detection when dialing is     |
          |      |       | proceeding                                  |
          |------+-------+---------------------------------------------|
          |      |    64 | Enables busy detection in dialing period    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT MAPPED REGISTER S62                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S62=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Bit mapped register                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Force the modem to use the new values of    |
          |      |       | S18 to fix the baud rate when               |
          |      |     1 |                                             |
          |      |       | answering.                                  |
          |      |       |                                             |
          |      |       | Force the modem to use the old values of    |
          |      |       | S18 to fix the baud rate when answering.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          |    ATV0    |                     ATV1                      |
          |------------+-----------------------------------------------|
          |     0      | OK                                            |
          |------------+-----------------------------------------------|
          |     1      | CONNECT                                       |
          |------------+-----------------------------------------------|
          |     2      | RING                                          |
          |------------+-----------------------------------------------|
          |     3      | NO CARRIER                                    |
          |------------+-----------------------------------------------|
          |     4      | ERROR                                         |
          |------------+-----------------------------------------------|
          |     5      | CONNECT 1200                                  |
          |------------+-----------------------------------------------|
          |     6      | NO DIAL TONE                                  |
          |------------+-----------------------------------------------|
          |     7      | BUSY                                          |
          |------------+-----------------------------------------------|
          |     8      | NO ANSWER                                     |
          |------------+-----------------------------------------------|
          |     9      | RINGING                                       |
          |------------+-----------------------------------------------|
          |     10     | CONNECT 2400                                  |
          |------------+-----------------------------------------------|
          |     11     | CONNECT 4800                                  |
          |------------+-----------------------------------------------|
          |     12     | CONNECT 9600                                  |
          |------------+-----------------------------------------------|
          |     14     | CONNECT 19200                                 |
          |------------+-----------------------------------------------|
          |     15     | CONNECT 7200                                  |
          |------------+-----------------------------------------------|
          |     16     | CONNECT 12000                                 |
          |------------+-----------------------------------------------|
          |     17     | CONNECT 14400                                 |
          |------------+-----------------------------------------------|
          |     18     | CONNECT 16800                                 |
          |------------+-----------------------------------------------|
          |     19     | CONNECT 38400                                 |
          |------------+-----------------------------------------------|
          |     20     | CONNECT 47600                                 |
          |------------+-----------------------------------------------|
          |     21     | CONNECT 76800                                 |
          |------------+-----------------------------------------------|
          |     22     | CONNECT 115200                                |
          |------------+-----------------------------------------------|
          |     23     | CONNECT 230400                                |
          |------------+-----------------------------------------------|
          |     24     | CONNECT 460800                                |
          |------------+-----------------------------------------------|
          |     25     | CONNECT 921600                                |
          +------------------------------------------------------------+
       
                                         
       
          +------------------------------------------------------------+
          |              BIT MAPPED REGISTER S62 (CON’T)               |
          |------------------------------------------------------------|
          |    ATV0    |                     ATV1                      |
          |------------+-----------------------------------------------|
          |     26     | CONNECT 307200                                |
          |------------+-----------------------------------------------|
          |     27     | CONNECT 153600                                |
          |------------+-----------------------------------------------|
          |     28     | CONNECT 102400                                |
          |------------+-----------------------------------------------|
          |     29     | CONNECT 21440                                 |
          |------------+-----------------------------------------------|
          |     30     | CONNECT 51200                                 |
          |------------+-----------------------------------------------|
          |     31     | CONNECT 624000                                |
          |------------+-----------------------------------------------|
          |     32     | CONNECT 124800                                |
          |------------+-----------------------------------------------|
          |     33     | CONNECT 62400                                 |
          |------------+-----------------------------------------------|
          |     34     | CONNECT 41600                                 |
          |------------+-----------------------------------------------|
          |     35     | CONNECT 31200                                 |
          |------------+-----------------------------------------------|
          |     36     | CONNECT 24960                                 |
          |------------+-----------------------------------------------|
          |     37     | CONNECT 20800                                 |
          |------------+-----------------------------------------------|
          |     38     | CONNECT 33600                                 |
          |------------+-----------------------------------------------|
          |     39     | CONNECT 28800                                 |
          |------------+-----------------------------------------------|
          |     40     | CONNECT 26400                                 |
          |------------+-----------------------------------------------|
          |     41     | CONNECT 24000                                 |
          |------------+-----------------------------------------------|
          |     42     | CONNECT 21600                                 |
          +------------------------------------------------------------+