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       # ANGIA COMMUNICATIONS, INC.
       
          HIGH SPEED V.32BIS
       
          Card Type              Modem (asynchronous)                    
          Chipset                Unidentified                            
          Maximum Data Rate      14.4Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103A/212A                          
                                                                         
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis                                 
          Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
          Error                  MNP5, MNP10, V.42, V.42bis              
          Correction/Compression 
          Fax Class              Class II                                
          Data Bus               PCMCIA Type II                          
       
                                                                   53159
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, B, E, H, L, M, N, O, Q, V, W, X, Y, Z                   |
          |------------------------------------------------------------|
          | &C, &D, &F, &G, &J, &L, &P, &R, &S, &T, &W, &Y, &Z         |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \C, \G, \J, \N, \V, \Y, \Z                         |
          |------------------------------------------------------------|
          | %A, %C, %L                                                 |
          |------------------------------------------------------------|
          |                    Special AT Commands                     |
          |------------------------------------------------------------|
          | *H, )M, @M                                                 |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S14, S16, S18, S21, S22, S23, S24, S25, S26                |
          |------------------------------------------------------------|
          | S27, S28, S36, S38                                         |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                        AUTO-REDIAL                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S41=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 10                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 retry                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the number of times the modem will     |
          |              | automatically redial a call that failed to  |
          |              | connect.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              AUTO-RELIABLE FALLBACK CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S46=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 13                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used as the              |
          |              | auto-reliable fallback character.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          AUTO-RELIABLE FALLBACK CHARACTER ENABLE           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables or disables the auto-reliable       |
          |              | fallback character.                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &N0      | Auto-reliable fallback character disabled.  |
          |--------------+---------------------------------------------|
          |    í &N1     | Auto-reliable fallback character enabled.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          AUTO-RELIABLE TIME BUFFER CONFIGURATION           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &On [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the handling of incoming data      |
          |              | during the auto-reliable negotiation time   |
          |              | period.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &O0      | Data is discarded.                          |
          |--------------+---------------------------------------------|
          |    í &O1     | Date is sent to DTE.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        AUTO-RETRAIN                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode.                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &E0      | Auto-retrain disabled.                      |
          |--------------+---------------------------------------------|
          |    í &E1     | Auto-retrain enabled.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            ANSWER/ORIGINATE DETECTION PATTERNS             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use answer   |
          |              | and originate detection patterns in         |
          |              | originate mode.                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &A0      | Answer and originate detection patterns     |
          |              | disabled in originate mode.                 |
          |--------------+---------------------------------------------|
          |    í &A1     | Answer and originate detection patterns     |
          |              | enabled in originate mode.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S39                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S39=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 0                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 187                                   |
          |----------------+-------------------------------------------|
          | Description:   | Controls power-up profile, local serial   |
          |                | port speed, break type, and auto-retrain. |
          |------------------------------------------------------------|
          |   Bit   | Value |                 Function                 |
          |------------------------------------------------------------|
          |    1, 0     |  í | Restore profile 0 on power-up.          |
          |             | 00 |                                         |
          |             |    | Restore profile 1 on power-up.          |
          |             | 01 |                                         |
          |             |    | Restore profile 2 on power-up.          |
          |             | 10 |                                         |
          |             |    | Restore profile 3 on power-up.          |
          |             | 11 |                                         |
          |-------------+----+-----------------------------------------|
          |      2      |  0 | Not used.                               |
          |------------------------------------------------------------|
          |    3    |   í 0 | Local serial port speed set with S23.    |
          |         |       |                                          |
          |         |     1 | Local serial port speed fixed at         |
          |         |       | 115.2Kbps.                               |
          |------------------------------------------------------------|
          |    5, 4     |  í | Break sent with transmitted data.       |
          |             | 00 |                                         |
          |             |    | Break sent to remote modem immediately. |
          |             | 01 |                                         |
          |             |    | Break sent to remote modem and buffers  |
          |             | 10 | cleared.                                |
          |-------------+----+-----------------------------------------|
          |      6      |  0 | Not used.                               |
          |-------------+----+-----------------------------------------|
          |      7      |  í | Auto-retrain enabled.                   |
          |             |  0 |                                         |
          |             |    | Auto-retrain disabled.                  |
          |             |  1 |                                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S49                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S49=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | Unidentified                              |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 148                                   |
          |----------------+-------------------------------------------|
          | Description:   | Controls flow control type and the        |
          |                | compromise equalizer.                     |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |  4 - 0   | 00000 | Flow control disabled.                  |
          |          |       |                                         |
          |          |     í | RTS/CTS flow control enabled.           |
          |          | 00011 |                                         |
          |          |       | XON/XOFF flow control enabled.          |
          |          | 00100 |                                         |
          |          |       | Unidirectional transparent XON/XOFF     |
          |          | 01000 | flow control enabled.                   |
          |          |       |                                         |
          |          | 01100 | Local transparent XON/XOFF flow control |
          |          |       | enabled.                                |
          |          | 10000 |                                         |
          |          |       | Internal XON/XOFF flow control enabled. |
          |          | 10100 |                                         |
          |          |       | Internal local XON/XOFF flow control    |
          |          |       | enabled.                                |
          |------------------------------------------------------------|
          |    6, 5     |   00 | Not used.                             |
          |-------------+------+---------------------------------------|
          |      7      |    0 | Compromise equalizer enabled.         |
          |             |      |                                       |
          |             |    1 | Compromise equalizer disabled.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &In [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Configures action of break signal.          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &I0      | Break sent with transmitted data.           |
          |--------------+---------------------------------------------|
          |     &I1      | Break sent to remote modem immediately.     |
          |--------------+---------------------------------------------|
          |     &I2      | Break sent to remote modem and buffers      |
          |              | cleared.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Configures action of break signal.          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \K1      | Break sent to remote modem and buffers      |
          |              | cleared.                                    |
          |--------------+---------------------------------------------|
          |     \K3      | Break sent to remote modem immediately.     |
          |--------------+---------------------------------------------|
          |     \K5      | Break sent with transmitted data.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the communications mode the modem   |
          |              | will use.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &Q0      | Modem will operate in asynchronous mode.    |
          |--------------+---------------------------------------------|
          |     &Q4      | Modem will operate in direct mode.          |
          |--------------+---------------------------------------------|
          |     &Q5      | Modem will use MNP reliable in asynchronous |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |    í &Q6     | Modem will use V.42 auto-reliable           |
          |              | asynchronous mode.                          |
          |--------------+---------------------------------------------|
          |     &Q7      | Modem will use V.42 reliable asynchronous   |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use data     |
          |              | compression.                                |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |         &U0         | Data compression disabled.           |
          |---------------------+--------------------------------------|
          |        í &U1        | Data compression enabled.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             COMPRESSION/ERROR CORRECTION TYPE              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S44=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Returns a value indicating the type of      |
          |              | error correction and compression in use for |
          |              | the last connection.                        |
          |--------------+---------------------------------------------|
          |    Value     |                   Meaning                   |
          |--------------+---------------------------------------------|
          |      0       | Last connection used no error correction.   |
          |--------------+---------------------------------------------|
          |      2       | Last connection used MNP2 error correction. |
          |--------------+---------------------------------------------|
          |      3       | Last connection used MNP3 error correction. |
          |--------------+---------------------------------------------|
          |      4       | Last connection used MNP4 error correction. |
          |--------------+---------------------------------------------|
          |      5       | Last connection used MNP5 compression.      |
          |--------------+---------------------------------------------|
          |      6       | Last connection used V.42 error correction. |
          |--------------+---------------------------------------------|
          |      7       | Last connection used V.42bis compression.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      CONNECTION TYPE                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S43? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Returns a value indicating the type and     |
          |              | speed of the last connection.               |
          |--------------+---------------------------------------------|
          |    Value     |                   Meaning                   |
          |--------------+---------------------------------------------|
          |      0       | Last connection was at 300bps with no       |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      1       | Last connection was at 1200bps with no      |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      2       | Last connection was at 2400bps with no      |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      3       | Last connection was at 1200bps in MNP mode. |
          |--------------+---------------------------------------------|
          |      4       | Last connection was at 2400bps in MNP mode. |
          |--------------+---------------------------------------------|
          |      5       | Last connection was at 1200bps in V.42      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      6       | Last connection was at 2400bps in V.42      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      7       | Last connection was at 4800bps with no      |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      8       | Last connection was at 4800bps in MNP mode. |
          |--------------+---------------------------------------------|
          |      9       | Last connection was at 4800bps in V.42      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      10      | Last connection was at 9600bps with no      |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      11      | Last connection was at 9600bps in MNP mode. |
          |--------------+---------------------------------------------|
          |      12      | Last connection was at 9600bps in V.42      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      13      | Last connection was at 300bps in MNP mode.  |
          |--------------+---------------------------------------------|
          |      14      | Last connection was at 300bps in V.42 mode. |
          |--------------+---------------------------------------------|
          |      15      | Last connection was at 7200bps with no      |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      16      | Last connection was at 7200bps in MNP mode. |
          |--------------+---------------------------------------------|
          |      17      | Last connection was at 7200bps in V.42      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      18      | Last connection was at 12Kbps with no       |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      19      | Last connection was at 12Kbps in MNP mode.  |
          |--------------+---------------------------------------------|
          |      20      | Last connection was at 12Kbps in V.42 mode. |
          |--------------+---------------------------------------------|
          |      21      | Last connection was at 14.4Kbps with no     |
          |              | error-correction.                           |
          |--------------+---------------------------------------------|
          |      22      | Last connection was at 14.4Kbps in MNP      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |      23      | Last connection was at 14.4Kbps in V.42     |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CONNECTION FAILURE CODES                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S45? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicate the cause of |
          |              | a connection failure.                       |
          |--------------+---------------------------------------------|
          |    Value     |                   Meaning                   |
          |--------------+---------------------------------------------|
          |      0       | Carrier signal lost.                        |
          |--------------+---------------------------------------------|
          |      1       | User interrupted the connection.            |
          |--------------+---------------------------------------------|
          |      2       | Train sequence failed.                      |
          |--------------+---------------------------------------------|
          |      3       | Retrain sequence failed.                    |
          |--------------+---------------------------------------------|
          |      4       | Inactivity timer time limit reached.        |
          |--------------+---------------------------------------------|
          |      5       | Long Space Disconnect time limit reached.   |
          |--------------+---------------------------------------------|
          |      6       | Remote modem failed to respond to feature   |
          |              | negotiation.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials the telephone number indicated        |
          |              | according to any modifiers included in the  |
          |              | string.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DJ      | MNP10 link will be negotiated at 1200bps    |
          |              | for this call.                              |
          |--------------+---------------------------------------------|
          |      DK      | MNP10 power level adjustment enabled for    |
          |              | this call.                                  |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number.                        |
          |--------------+---------------------------------------------|
          |      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.                       |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection.                                  |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register.                             |
          |--------------+---------------------------------------------|
          |      D/      | Dialing paused for 1/8 second.              |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quiet 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.   |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DISCONNECT BUFFER DELAY                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 20                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sets maximum duration allowed during        |
          |              | buffered data calls for modem to perform    |
          |              | clearing functions after losing             |
          |              | carrier-signal or receiving a clear call    |
          |              | signal from the remote modem and before     |
          |              | initiating hang-up process. A value of 0    |
          |              | causes the modem to hang up without         |
          |              | waiting.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DISPLAY INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested about the    |
          |              | modem.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays product identification code.       |
          |--------------+---------------------------------------------|
          |      I1      | Displays ROM checksum.                      |
          |--------------+---------------------------------------------|
          |      I2      | Tests and reports ROM checksum.             |
          |--------------+---------------------------------------------|
          |      I3      | Displays firmware revision.                 |
          |--------------+---------------------------------------------|
          |      I4      | Displays ASCII test string.                 |
          |--------------+---------------------------------------------|
          |      I5      | Displays chipset revision.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DISPLAY STORED PROFILES                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the requested stored information.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \S0      | Displays stored profiles 0 and 1, and       |
          |              | stored numbers 0 - 2.                       |
          |--------------+---------------------------------------------|
          |     \S1      | Displays stored profiles 2 and 3, and       |
          |              | stored numbers 0 - 3.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DISPLAY STORED PROFILES                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Displays the requested stored information.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &V0      | Displays stored profiles 0 and 1, and       |
          |              | stored numbers 0 - 2.                       |
          |--------------+---------------------------------------------|
          |     &V1      | Displays stored profiles 2 and 3, and       |
          |              | stored numbers 0 - 3.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables flow control options.               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Flow control disabled.                      |
          |--------------+---------------------------------------------|
          |    í &K3     | RTS/CTS flow control enabled.               |
          |--------------+---------------------------------------------|
          |     &K4      | XON/XOFF flow control enabled.              |
          |--------------+---------------------------------------------|
          |     &K8      | Unidirectional transparent XON/XOFF flow    |
          |              | control enabled.                            |
          |--------------+---------------------------------------------|
          |     &K12     | Local transparent XON/XOFF flow control     |
          |              | enabled.                                    |
          |--------------+---------------------------------------------|
          |     &K16     | Internal XON/XOFF flow control enabled.     |
          |--------------+---------------------------------------------|
          |     &K20     | Internal local XON/XOFF flow control        |
          |              | enabled.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FLOW CONTROL CHARACTER - XON                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S47=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 17                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XON.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               FLOW CONTROL CHARACTER - XOFF                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S48=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XOFF.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S40=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects; S40=0 will disable.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE SPEED                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshaking process.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S37=0    | Speed of last connection                    |
          |--------------+---------------------------------------------|
          |    S37=3     | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S37=5     | Set speed to 1200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=6     | Set speed to 2400bps.                       |
          |--------------+---------------------------------------------|
          |    S37=7     | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S37=9     | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S37=10    | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S37=11    | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S37=15    | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S37=16    | Set speed to 7200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=17    | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S37=18    | Set speed to 12Kbps.                        |
          |--------------+---------------------------------------------|
          |    S37=19    | Set speed to 14.4Kbps.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      LOCK SERIAL PORT                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets operation of serial port speed.        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &B0      | Serial speed follows connect speed.         |
          |--------------+---------------------------------------------|
          |    í &B1     | Serial speed locked.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |        TRANSMISSION LEVEL ATTENUATION - LEASED LINE        |
          |------------------------------------------------------------|
          | Type        | Register                                     |
          |-------------+----------------------------------------------|
          | Format      | AT [cmds] S35=n [cmds]                       |
          |-------------+----------------------------------------------|
          | Default     | 9                                            |
          |-------------+----------------------------------------------|
          | Range       | 0 - 15                                       |
          |-------------+----------------------------------------------|
          | Unit        | -1 dBm                                       |
          |-------------+----------------------------------------------|
          | Description | Sets the signal attenuation level for        |
          |             | transmission over leased phone lines.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                V.32 - COMPROMISE EQUALIZER                 |
          |------------------------------------------------------------|
          | Type%        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format%      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description% | Controls V.32 compromise equalizer.         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %E0      | Compromise equalizer disabled.              |
          |--------------+---------------------------------------------|
          |     %E1      | Compromise equalizer enabled.               |