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# 3COM CORPORATION
US ROBOTICS COURIER V.EVERYTHING MODEM FOR MAC
Card Type Modem (asynchronous)
Chip Set Unidentified
Maximum Modem Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103/212A
Protocol
ITU-T V.34, V.FC, V.32terbo, HST,
V.32bis, V.32, V.22bis, , V.23
Fax Modulation ITU-T V.17, V.21, V.27ter, V.29,
Protocol TIA/EIA.592
Error V.42, MNP5, HST, V.42bis, V.54, V.25bis
Correction/Compression
Fax Class Class I & II
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| AC power | CN1 | RS-232/422 | CN4 |
|---------------------------+----------+--------------+------|
| Line out | CN2 | Power switch | SW2 |
|---------------------------+----------+--------------+------|
| Line in | CN3 | Volume | VC1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+--------+-----------|
| í Voice enabled | SW1 | Position |
| | | A |
|---------------------------------------+--------+-----------|
| Data enabled | SW1 | Position |
| | | B |
|---------------------------------------+--------+-----------|
| Power on | SW2 | On |
|---------------------------------------+--------+-----------|
| Power off | SW2 | Off |
|---------------------------------------+--------+-----------|
| í DTR Ignored | SW3/1 | On |
|---------------------------------------+--------+-----------|
| DTR normal | SW3/1 | Off |
|---------------------------------------+--------+-----------|
| í Verbal result codes enabled | SW3/2 | Off |
|---------------------------------------+--------+-----------|
| Numeric result codes enabled | SW3/2 | On |
|---------------------------------------+--------+-----------|
| í Display result codes | SW3/3 | On |
|---------------------------------------+--------+-----------|
| Suppress result codes | SW3/3 | Off |
|---------------------------------------+--------+-----------|
| í Echo offline commands | SW3/4 | Off |
|---------------------------------------+--------+-----------|
| Do not echo offline commands | SW3/4 | On |
|---------------------------------------+--------+-----------|
| í Auto-answer disabled | SW3/5 | On |
|---------------------------------------+--------+-----------|
| Auto-answer enabled | SW3/5 | Off |
|---------------------------------------+--------+-----------|
| í Normal carrier detect | SW3/6 | Off |
|---------------------------------------+--------+-----------|
| Carrier detect always on | SW3/6 | On |
|---------------------------------------+--------+-----------|
| í Display all result codes | SW3/7 | Off |
|---------------------------------------+--------+-----------|
| Display result codes only on | SW3/7 | On |
| originate | | |
|---------------------------------------+--------+-----------|
| í Act on AT codes | SW3/8 | On |
|---------------------------------------+--------+-----------|
| Ignore AT codes | SW3/8 | Off |
|---------------------------------------+--------+-----------|
| í Disconnect on +++ | SW3/9 | Off |
|---------------------------------------+--------+-----------|
| Do not disconnect on +++ | SW3/9 | On |
|---------------------------------------+--------+-----------|
| í Load the configuration that is | SW3/10 | Off |
| stored in non-volatile memory | | |
|---------------------------------------+--------+-----------|
| Load the &F0 configuration from read | SW3/10 | On |
| only memory | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+--------------+----------+--------------------------|
| LED1 | Unidentified | On | Modem is operating at |
| | | | 4800bps or faster |
|-------+--------------+----------+--------------------------|
| LED1 | Unidentified | Off | Modem is operating at |
| | | | slower than 4800bps |
|-------+--------------+----------+--------------------------|
| LED2 | Unidentified | On | Auto-answer enabled |
|-------+--------------+----------+--------------------------|
| LED2 | Unidentified | Off | Auto-answer disabled |
|-------+--------------+----------+--------------------------|
| LED2 | Unidentified | Blinking | Phone is ringing |
|-------+--------------+----------+--------------------------|
| LED3 | Unidentified | On | Carrier signal detected |
|-------+--------------+----------+--------------------------|
| LED3 | Unidentified | Off | Carrier signal not |
| | | | detected |
|-------+--------------+----------+--------------------------|
| LED4 | Unidentified | On | Modem is off-hook |
|-------+--------------+----------+--------------------------|
| LED4 | Unidentified | Off | Modem is on-hook |
|-------+--------------+----------+--------------------------|
| LED5 | Unidentified | Blinking | Modem is receiving data |
|-------+--------------+----------+--------------------------|
| LED5 | Unidentified | Off | Modem is not receiving |
| | | | data |
|-------+--------------+----------+--------------------------|
| LED6 | Unidentified | Blinking | Modem is transmitting |
| | | | data |
|-------+--------------+----------+--------------------------|
| LED6 | Unidentified | Off | Modem is not |
| | | | transmitting data |
|-------+--------------+----------+--------------------------|
| LED7 | Unidentified | On | DTR signal is high |
|-------+--------------+----------+--------------------------|
| LED7 | Unidentified | Off | DTR signal is low |
|-------+--------------+----------+--------------------------|
| LED8 | Unidentified | On | Power is on |
|-------+--------------+----------+--------------------------|
| LED8 | Unidentified | Blinking | Modem is retraining with |
| | | | remote device, or is in |
| | | | test mode |
|-------+--------------+----------+--------------------------|
| LED8 | Unidentified | Off | Power is off |
|-------+--------------+----------+--------------------------|
| LED9 | Unidentified | On | RTS signal detected |
|-------+--------------+----------+--------------------------|
| LED9 | Unidentified | Off | RST signal not detected |
|-------+--------------+----------+--------------------------|
| LED10 | Unidentified | On | CTS signal detected |
|-------+--------------+----------+--------------------------|
| LED10 | Unidentified | Off | CTS signal not detected |
|-------+--------------+----------+--------------------------|
| LED11 | Unidentified | On | Modem is in synchronous |
| | | | mode |
|-------+--------------+----------+--------------------------|
| LED11 | Unidentified | Blinking | Data security is active |
|-------+--------------+----------+--------------------------|
| LED11 | Unidentified | Off | Modem is not in |
| | | | synchronous mode |
|-------+--------------+----------+--------------------------|
| LED12 | Unidentified | On | Error correction enabled |
|-------+--------------+----------+--------------------------|
| LED12 | Unidentified | Flashing | Modem is re-transmitting |
| | | | data to the remote modem |
|-------+--------------+----------+--------------------------|
| LED12 | Unidentified | Blinking | Modem is in fax mode |
|-------+--------------+----------+--------------------------|
| LED12 | Unidentified | Off | Error correction is not |
| | | | active/modem is not |
| | | | re-transmitting |
| | | | data/modem is not in fax |
| | | | mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, B, C, E, F, H, M, O, V, Z |
|------------------------------------------------------------|
| &C, &G, &W, &X, &Z |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S26 |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| REPEAT LAST COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] A> [cmds] |
|--------------+---------------------------------------------|
| Description: | Repeat last command until canceled by |
| | pressing any key. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDITIONAL RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &An [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the display of the additional |
| | result codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &A0 | ARQ result codes disabled |
|--------------+---------------------------------------------|
| &A1 | ARQ result codes enabled |
|--------------+---------------------------------------------|
| &A2 | Display ARQ result codes, HST, V.32, V.FC |
| | or V.34 modulation indicator |
|--------------+---------------------------------------------|
| &A3 | Display ARQ result codes and error control |
| | indicator LAPM, HST, MNP, SYNC, or NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK HANDLING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Yn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the break handling |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &Y0 | Destructive, don’t send break |
|--------------+---------------------------------------------|
| &Y1 | Destructive, expedited break sent |
|--------------+---------------------------------------------|
| &Y2 | Nondestructive, expedited break sent |
|--------------+---------------------------------------------|
| &Y3 | Nondestructive un-expedited break sent |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the connection rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &N0 | Variable rate |
|--------------+---------------------------------------------|
| &N1 | 300bps |
|--------------+---------------------------------------------|
| &N2 | 1200bps |
|--------------+---------------------------------------------|
| &N3 | 2400bps |
|--------------+---------------------------------------------|
| &N4 | 4800bps |
|--------------+---------------------------------------------|
| &N5 | 7200bps |
|--------------+---------------------------------------------|
| &N6 | 9600bps |
|--------------+---------------------------------------------|
| &N7 | 12Kbps |
|--------------+---------------------------------------------|
| &N8 | 14.4Kbps |
|--------------+---------------------------------------------|
| &N9 | 16.8Kbps |
|--------------+---------------------------------------------|
| &N10 | 19.2Kbps |
|--------------+---------------------------------------------|
| &N11 | 21.6Kbps |
|--------------+---------------------------------------------|
| &N12 | 24Kbps |
|--------------+---------------------------------------------|
| &N13 | 26.4Kbps |
|--------------+---------------------------------------------|
| &N14 | 28.8Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Data compression disabled |
|--------------+---------------------------------------------|
| í &K1 | Use auto enable/disable data compression |
|--------------+---------------------------------------------|
| &K2 | Data compression always enabled |
|--------------+---------------------------------------------|
| &K3 | Selective data compression |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &S0 | DSR forced high |
|--------------+---------------------------------------------|
| í &S1 | DSR high only while modem is handshaking or |
| | connected |
|--------------+---------------------------------------------|
| &S2 | On loss of carrier, modem sends a pulse DSR |
| | signal with CTS following CD |
|--------------+---------------------------------------------|
| &S3 | On loss of carrier, modem sends a pulse DSR |
| | signal |
|--------------+---------------------------------------------|
| &S4 | Modem sends DSR signal at the same time it |
| | sends CD signal |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+---------------------------------------------|
| DL | Last number re-dial |
|--------------+---------------------------------------------|
| 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"WXY" | Optional method of denoting telephone |
| | numbers. Letters enclosed in quotes are |
| | interpreted as numbers according to the |
| | system found on a telephone keypad. |
|--------------+---------------------------------------------|
| 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. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
|--------------+---------------------------------------------|
| D/ | Pause for 125 milliseconds |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the error control protocol |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &M0 | Normal mode, no error control |
|--------------+---------------------------------------------|
| &M1 | On-line synchronous mode without V.25bis |
|--------------+---------------------------------------------|
| &M2 | Reserved |
|--------------+---------------------------------------------|
| &M3 | Reserved |
|--------------+---------------------------------------------|
| &M4 | Normal/ARQ mode, |
|--------------+---------------------------------------------|
| &M5 | ARQ asynchronous mode |
|--------------+---------------------------------------------|
| &M6 | V.25bis synchronous mode. |
|--------------+---------------------------------------------|
| &M7 | V.25bis synchronous mode using HDLC link |
| | protocol |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &F [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets values in active profile to values |
| | found in the default profile |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &F0 | Load No Flow Control template settings |
|--------------+---------------------------------------------|
| &F1 | Load Hardware Flow Control template |
| | settings |
|--------------+---------------------------------------------|
| &F2 | Load Software Flow Control template |
| | settings |
|--------------+---------------------------------------------|
| &F3 | Load HST Cellular template settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HELP |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #$ [cmds] |
|--------------+---------------------------------------------|
| Description: | Display the help pannels for the octothorpe |
| | (#) command set |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODEM CLOCK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the modem clock |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í K0 | If on-line, display current call duration; |
| | if off-line, display the last call’s |
| | duration |
|--------------+---------------------------------------------|
| K1 | Display the actual time (set clock using |
| | ATI3=HH:MM:SS K1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Phone Line |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects normal/leased phone line |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &L0 | Switched line (PSTN/Dial-up) |
|--------------+---------------------------------------------|
| &L1 | Leased phone line |
|--------------+---------------------------------------------|
| &L2 | HST cellular mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECEIVE DATA FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &In [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the receive data flow control |
|--------------+---------------------------------------------|
| Command | Jack Type |
|--------------+---------------------------------------------|
| í &I0 | Disables XON/XOFF flow control |
|--------------+---------------------------------------------|
| &I1 | Modem acts on typed XON/XOFF commands, Ctrl |
| | -S, or Ctrl -Q and passes them to remote |
| | device |
|--------------+---------------------------------------------|
| &I2 | Modem acts on typed XON/XOFF commands but |
| | removes them from data stream |
|--------------+---------------------------------------------|
| &I3 | Hewlett Packard host mode |
|--------------+---------------------------------------------|
| &I4 | Hewlett Packard terminal mode |
|--------------+---------------------------------------------|
| &I5 | Enable flow control on the phone link when |
| | the connection is not under error control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code |
|--------------+---------------------------------------------|
| I1 | Reports results of ROM checksum |
|--------------+---------------------------------------------|
| I2 | Reports results of RAM test |
|--------------+---------------------------------------------|
| I3 | Reports the duration of the last call |
|--------------+---------------------------------------------|
| I4 | Reports the current modem settings |
|--------------+---------------------------------------------|
| I5 | Reports the settings stored in NVRAM |
|--------------+---------------------------------------------|
| I6 | Reports statistics for the last call |
|--------------+---------------------------------------------|
| I7 | Reports product configuration |
|--------------+---------------------------------------------|
| I8 | Reserved |
|--------------+---------------------------------------------|
| I9 | Reserved |
|--------------+---------------------------------------------|
| I10 | Reports dial security account status |
| | information |
|--------------+---------------------------------------------|
| I11 | Reserved |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Suppress result codes when answering |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS/CTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &R0 | CTS follows RTS in data mode; RTS is |
| | ignored in command mode. |
|--------------+---------------------------------------------|
| &R1 | CTS forced high, RTS is ignored. |
|--------------+---------------------------------------------|
| &R2 | Enable hardware flow control of received |
| | data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SELECT CALL PROGRESS RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| 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. |
|--------------+---------------------------------------------|
| í X4 | Busy and dial tone detection enabled; |
| | result codes 0 - 7 & 10 enabled. |
|--------------+---------------------------------------------|
| X5 | Busy tone detection disabled, dial tone |
| | detection disabled, all result codes |
| | enabled |
|--------------+---------------------------------------------|
| X6 | Voice detection disabled, all result codes |
| | enabled |
|--------------+---------------------------------------------|
| X7 | Result codes 0-11, 13-173 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the serial port rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &B0 | Variable serial port rate |
|--------------+---------------------------------------------|
| &B1 | Fixed serial port rate |
|--------------+---------------------------------------------|
| &B2 | In answer mode use fixed rate for ARQ calls |
| | and variable rate for non ARQ calls. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFTWARE RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Z [cmds] |
|--------------+---------------------------------------------|
| Description: | If SW3/10 is on, reset to then NVRAM |
| | setting. If SW3/10 is off, reset to the &F0 |
| | configuration template |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| í L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Tn |
|--------------+---------------------------------------------|
| Description: | Selects test options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &T0 | End current test |
|--------------+---------------------------------------------|
| &T1 | Begin local analog loopback test |
|--------------+---------------------------------------------|
| &T3 | Begin local digital loopback |
|--------------+---------------------------------------------|
| &T4 | Grant remote digital loopback request |
|--------------+---------------------------------------------|
| &T5 | Deny remote digital loopback request |
|--------------+---------------------------------------------|
| &T6 | Request remote digital loopback |
|--------------+---------------------------------------------|
| &T7 | Request remote digital loopback and |
| | self-test |
|--------------+---------------------------------------------|
| &T8 | Initiate local analog loopback test with |
| | self test and error detection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT DATA FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the transmit data flow |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &H0 | Flow control disabled |
|--------------+---------------------------------------------|
| &H1 | Hardware flow control enable |
|--------------+---------------------------------------------|
| &H2 | Software flow control enable |
|--------------+---------------------------------------------|
| &H3 | Both hardware and software flow control |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WRITE COMMAND STRING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] ZC=s [cmds] |
|--------------+---------------------------------------------|
| Description: | Write command string s to NVRAM. The |
| | command string may be up to 40 characters |
| | long |
+------------------------------------------------------------+
Extended AT Commands
+------------------------------------------------------------+
| ASSIGN PASSWORD |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %V=PWn [cmds] |
|--------------+---------------------------------------------|
| Description: | Assign the password in account n in |
| | security account |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SPEED |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %N [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the V.25bis clock speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %N0 | Reserved |
|--------------+---------------------------------------------|
| %N1 | Reserved |
|--------------+---------------------------------------------|
| %N2 | 1200bps |
|--------------+---------------------------------------------|
| %N3 | 2400bps |
|--------------+---------------------------------------------|
| %N4 | 4800bps |
|--------------+---------------------------------------------|
| %N5 | 7200bps |
|--------------+---------------------------------------------|
| %N6 | 9600bps |
|--------------+---------------------------------------------|
| %N7 | 12Kbps |
|--------------+---------------------------------------------|
| %N8 | 14.4Kbps |
|--------------+---------------------------------------------|
| %N9 | 16.8Kbps |
|--------------+---------------------------------------------|
| %N10 | 19.2Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERASE SECURITY SETTINGS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Description: | Erases selected security settings |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E1 | Erase local access password |
|--------------+---------------------------------------------|
| %E2 | Erase autopass password |
|--------------+---------------------------------------------|
| %E3 | Erase passwords in accounts 0-9 |
|--------------+---------------------------------------------|
| %E4 | Erase phone numbers in accounts 0-9 |
|--------------+---------------------------------------------|
| %E5 | Disable account, dialback, and new number |
| | fields in accounts 0-9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL ACCESS PASSWORD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Set local access password |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PASSWORD SECURITY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %P [cmds] |
|--------------+---------------------------------------------|
| Description: | Disable password security |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Fn [cmds] |
|--------------+---------------------------------------------|
| Description: | Configure another device’s data remotely |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %F0 | No parity, 8 data bits |
|--------------+---------------------------------------------|
| %F1 | Mark parity, 7 data bits |
|--------------+---------------------------------------------|
| %F2 | Odd parity, 7 data bits |
|--------------+---------------------------------------------|
| %F3 | Even parity, 7 data bits |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the remote configuration |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Defer configuration changes until the call |
| | is ended |
|--------------+---------------------------------------------|
| %C1 | Cancel configuration changes and restore |
| | the original configuration |
|--------------+---------------------------------------------|
| %C2 | Force configuration changes to take effect |
| | immediately |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY ACCOUNTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Description: | Create and configure security accounts |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY ACCOUNTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Access security accounts |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Remotely configure a modem’s serial port |
| | rate |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %B0 | 110bps |
|--------------+---------------------------------------------|
| %B1 | 300bps |
|--------------+---------------------------------------------|
| %B2 | 600bps |
|--------------+---------------------------------------------|
| %B3 | 1200bps |
|--------------+---------------------------------------------|
| %B4 | 2400bps |
|--------------+---------------------------------------------|
| %B5 | 4800bps |
|--------------+---------------------------------------------|
| %B6 | 9600bps |
|--------------+---------------------------------------------|
| %B7 | 19200bps |
|--------------+---------------------------------------------|
| %B8 | 38400bps |
|--------------+---------------------------------------------|
| %B9 | 57600bps |
|--------------+---------------------------------------------|
| %B10 | 115200bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TONE FREQUENCIES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enalbes recognition of the tone frequencies |
+------------------------------------------------------------+