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# MICROCOM, INC.
AX/2400
Card Type Modem (synchronous/asynchronous)
Chipset Microcom, Inc.
Maximum Onboard Memory 8K battery-backup DRAM
Maximum Data Rate 2400bps
Data Bus Serial
Data Modulation Bell 103A/212A
ITU-T V.22, V.22bis
Error Correction/Compression MNP4
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Volume | R1 |
|---------------+----------+---------------------------+-----|
| Line in | CN2 | Talk/data switch | SW3 |
|---------------+----------+---------------------------+-----|
| DC power | CN3 | Synchronous/asynchronous | SW4 |
| | | switch | |
|---------------+----------+---------------------------+-----|
| RS-232/422 | CN4 | Reset switch | SW5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| í Busy out disabled | JP1 | Pins 3 & |
| | | 4 closed |
|----------------------------------------+-------+-----------|
| Busy out enabled | JP1 | Pins 1 & |
| | | 2 closed |
|----------------------------------------+-------+-----------|
| í Receiver sensitivity set to -10 to | JP2 | Pins 3 & |
| -43 dBm | | 4 closed |
|----------------------------------------+-------+-----------|
| Receiver sensitivity set to 0 to -33 | JP2 | Pins 1 & |
| dBm | | 2 closed |
|----------------------------------------+-------+-----------|
| í Pin 12 of RS-232 port indicates | JP3/A | Closed |
| 1200bps connection | | |
|----------------------------------------+-------+-----------|
| Pin 12 of RS-232 port does not | JP3/A | Open |
| indicate 1200bps connection | | |
|----------------------------------------+-------+-----------|
| í Synchronous transmit clock on RS-232 | JP3/B | Closed |
| pin 15 enabled | | |
|----------------------------------------+-------+-----------|
| Synchronous transmit clock on RS-232 | JP3/B | Open |
| pin 15 disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CON’T) |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| í Pin 15 of RS-232 port does not | JP3/C | Open |
| indicate 1200bps connection | | |
|-----------------------------------------+-------+----------|
| Pin 15 of RS-232 port indicates 1200bps | JP3/C | Closed |
| connection | | |
|-----------------------------------------+-------+----------|
| í RTS signal in on RS-232 pin 15 | JP3/D | Open |
| disabled | | |
|-----------------------------------------+-------+----------|
| RTS signal in on RS-232 pin 15 enabled | JP3/D | Closed |
|-----------------------------------------+-------+----------|
| í Pin 23 of RS-232 port indicates | JP4 | Closed |
| 2400bps connection | | |
|-----------------------------------------+-------+----------|
| Pin 23 of RS-232 port does not indicate | JP4 | Open |
| 2400bps connection | | |
|-----------------------------------------+-------+----------|
| í DTR normal | SW1/1 | On |
|-----------------------------------------+-------+----------|
| DTR forced high | SW1/1 | Off |
|-----------------------------------------+-------+----------|
| í Microcom SX command set enabled | SW1/2 | On |
| (asynchronous mode only) | | |
|-----------------------------------------+-------+----------|
| AT command set enabled (asynchronous | SW1/2 | Off |
| mode only) | | |
|-----------------------------------------+-------+----------|
| í Result codes disabled (asynchronous | SW1/3 | On |
| mode only) | | |
|-----------------------------------------+-------+----------|
| Result codes enabled (asynchronous mode | SW1/3 | Off |
| only) | | |
|-----------------------------------------+-------+----------|
| í Command echo disabled (asynchronous | SW1/4 | Off |
| mode only) | | |
|-----------------------------------------+-------+----------|
| Command echo enabled (asynchronous mode | SW1/4 | On |
| only) | | |
|-----------------------------------------+-------+----------|
| í Auto-answer enabled (asynchronous | SW1/5 | On |
| mode only) | | |
|-----------------------------------------+-------+----------|
| Auto-answer disabled (asynchronous mode | SW1/5 | Off |
| only) | | |
|-----------------------------------------+-------+----------|
| í CD normal (asynchronous mode only) | SW1/6 | On |
|-----------------------------------------+-------+----------|
| CD forced high (asynchronous mode only) | SW1/6 | Off |
|-----------------------------------------+-------+----------|
| í Verbose result codes enabled | SW1/7 | On |
| (asynchronous mode only) | | |
|-----------------------------------------+-------+----------|
| Numeric result codes enabled | SW1/7 | Off |
| (asynchronous mode only) | | |
|-----------------------------------------+-------+----------|
| í Command sets disabled (asynchronous | SW1/8 | On |
| mode only) | | |
|-----------------------------------------+-------+----------|
| Command sets enabled (asynchronous mode | SW1/8 | Off |
| only) | | |
|-----------------------------------------+-------+----------|
| í MNP result codes disabled | SW2/5 | On |
| (asynchronous mode only) | | |
|-----------------------------------------+-------+----------|
| MNP result codes enabled (asynchronous | SW2/5 | Off |
| mode only) | | |
|-----------------------------------------+-------+----------|
| í Factory defaults not restored on | SW2/6 | On |
| reset (asynchronous AT command set | | |
| only) | | |
|-----------------------------------------+-------+----------|
| Factory defaults restored on reset | SW2/6 | Off |
| (asynchronous AT command set only) | | |
|-----------------------------------------+-------+----------|
| í Switched line type (synchronous mode | SW2/6 | On |
| only) | | |
|-----------------------------------------+-------+----------|
| Leased line type (synchronous mode | SW2/6 | Off |
| only) | | |
|-----------------------------------------+-------+----------|
| í Configuration not set to switch | SW2/7 | On |
| settings on reset (asynchronous mode | | |
| only) | | |
|-----------------------------------------+-------+----------|
| Configuration set to switch settings on | SW2/7 | Off |
| reset (asynchronous mode only) | | |
|-----------------------------------------+-------+----------|
| í Auto-answer disabled (synchronous | SW2/7 | On |
| mode only) | | |
|-----------------------------------------+-------+----------|
| Auto-answer enabled (synchronous mode | SW2/7 | Off |
| only) | | |
|-----------------------------------------+-------+----------|
| í Line speed set to 2400bps | SW2/8 | On |
| (synchronous mode only) | | |
|-----------------------------------------+-------+----------|
| Line speed set to 1200bps (synchronous | SW2/8 | Off |
| mode only) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-DIAL NUMBER (SYNCHRONOUS MODE ONLY) |
|------------------------------------------------------------|
| Setting | SW1/4 | SW1/5 | SW1/6 | SW1/7 |
|---------------+-----------+----------+----------+----------|
| First number | Off | On | On | On |
|---------------+-----------+----------+----------+----------|
| Second number | On | Off | On | On |
|---------------+-----------+----------+----------+----------|
| Third number | On | On | Off | On |
|---------------+-----------+----------+----------+----------|
| Fourth number | On | On | On | Off |
|---------------+-----------+----------+----------+----------|
| Disabled | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL (ASYNCHRONOUS MODE ONLY) |
|------------------------------------------------------------|
| Modem to DTE | Modem to Modem | SW2/1 | SW2/2 |
|---------------+----------------+-------------+-------------|
| Disabled | Disabled | On | On |
|---------------+----------------+-------------+-------------|
| XON/XOFF | XON/XOFF | On | Off |
|---------------+----------------+-------------+-------------|
| RTS/CTS | XON/XOFF | Off | On |
|---------------+----------------+-------------+-------------|
| Disabled | Disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE (ASYNCHRONOUS MODE ONLY) |
|------------------------------------------------------------|
| Setting | SW2/3 | SW2/4 |
|---------------------+-------------------+------------------|
| Normal mode | On | On |
|---------------------+-------------------+------------------|
| Direct mode | Off | Off |
|---------------------+-------------------+------------------|
| Reliable mode | On | Off |
|---------------------+-------------------+------------------|
| Auto-reliable mode | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD, DSR, AND CTS SIGNALS (SYNCHRONOUS MODE ONLY) |
|------------------------------------------------------------|
| CD Signal | DSR Signal | CTS Signal | SW2/4 | SW2/5 |
|--------------+--------------+--------------+-------+-------|
| Forced high | Forced high | Forced high | On | On |
|--------------+--------------+--------------+-------+-------|
| Normal | Follows OH | Normal | On | Off |
|--------------+--------------+--------------+-------+-------|
| High except | High except | High except | Off | On |
| at | at | at | | |
| disconnect | disconnect | disconnect | | |
|--------------+--------------+--------------+-------+-------|
| Normal | Forced high | Forced high | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------------+----------+----------------------------|
| PWR | Unidentified | On | Power is on |
|-----+--------------+----------+----------------------------|
| PWR | Unidentified | Off | Power is off |
|-----+--------------+----------+----------------------------|
| TST | Unidentified | On | System error has occurred |
| | | | or modem is retraining |
|-----+--------------+----------+----------------------------|
| TST | Unidentified | Blinking | Serial port is waiting to |
| | | | be configured |
|-----+--------------+----------+----------------------------|
| TST | Unidentified | One | Data error has occurred |
| | | blink | |
|-----+--------------+----------+----------------------------|
| TST | Unidentified | Off | Normal operation |
|-----+--------------+----------+----------------------------|
| OH | Unidentified | On | Modem is off-hook |
|-----+--------------+----------+----------------------------|
| OH | Unidentified | Off | Modem is on-hook |
|-----+--------------+----------+----------------------------|
| HS | Green | On | Modem is operating at |
| | | | 2400bps |
|-----+--------------+----------+----------------------------|
| HS | Red | On | Modem is operating at |
| | | | 1200bps |
|-----+--------------+----------+----------------------------|
| HS | N/A | Off | Modem is operating at |
| | | | 300bps |
|-----+--------------+----------+----------------------------|
| DTR | Unidentified | On | DTR signal is high |
|-----+--------------+----------+----------------------------|
| DTR | Unidentified | Off | DTR signal is low |
|-----+--------------+----------+----------------------------|
| TX | Unidentified | Blinking | Modem is transmitting data |
|-----+--------------+----------+----------------------------|
| TX | Unidentified | Off | Modem is not transmitting |
| | | | data |
|-----+--------------+----------+----------------------------|
| RX | Unidentified | Blinking | Modem is receiving data |
|-----+--------------+----------+----------------------------|
| RX | Unidentified | Off | Modem is not receiving |
| | | | data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, E, H, I, M, O, P, Q, T, V, X, Z |
|------------------------------------------------------------|
| &D, &F, &G, &L, &M, &P, &R, &T, &W, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C, \E, \G, \J, \L, \N, \O, \Q, \T, \U, \V, \X, |
| \Y, \Z |
|------------------------------------------------------------|
| %A, %E |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, |
| S16, S18, S21, S22, S23, S25, S26, S27 |
|------------------------------------------------------------|
| Note: See MHI Help File for complete command |
| documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Configuration |
|------------------+---------------------------------------------|
|Format: |AT [cmds] \Kn [cmds] |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | | DTE |receives \B |remote modem|
| |Reliable/Normal| | | |
| | mode |Direct mode | | |
|---------+---------------+------------+------------+------------|
| \K0 |Enter command |Send break |Buffers |Buffers |
| |mode, do not |to remote |cleared and |cleared and |
| |send break to |modem |break sent |break sent |
| |remote modem. |immediately,|to remote |to DTE. |
| | |then enter |modem. | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| \K1 |Buffers cleared|Send break |Buffers |Buffers |
| |and break sent |to remote |cleared and |cleared and |
| |to remote |modem |break sent |break sent |
| |modem. |immediately.|to remote |to DTE. |
| | | |modem. | |
|---------+---------------+------------+------------+------------|
| \K2 |Enter command |Send break |Send break |Send break |
| |mode, do not |to remote |to remote |to DTE |
| |send break to |modem |modem |immediately.|
| |remote modem. |immediately,|immediately.| |
| | |then enter | | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| \K3 |Send break to |Send break |Send break |Send break |
| |remote modem |to remote |to remote |to DTE |
| |immediately. |modem |modem |immediately.|
| | |immediately.|immediately.| |
|---------+---------------+------------+------------+------------|
| \K4 |Enter command |Send break |Send break |Break sent |
| |mode, do not |to remote |to remote |with |
| |send break to |modem |modem with |received |
| |remote modem. |immediately,|transmitted |data to the |
| | |then enter |data. |DTE. |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| \K5 |Send break with|Send break |Send break |Break sent |
| |transmitted |to remote |to remote |with |
| |data. |modem |modem with |received |
| | |immediately.|transmitted |data to the |
| | | |data. |DTE. |
+----------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET - MICROCOM SX |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \M |
|--------------+---------------------------------------------|
| Description: | Switches to the proprietary Microcom SX |
| | command set. The modem will prompt the user |
| | to confirm this action. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DCD signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &C0 | DCD forced high. |
|--------------+---------------------------------------------|
| &C1 | DCD forced high after carrier signal is |
| | detected. |
|--------------+---------------------------------------------|
| &C2 | CD forced high except during disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) AND CLEAR TO SEND (CTS) SIGNALS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR and CTS |
| | signals. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \D0 | DSR and CTS forced high. |
|--------------+---------------------------------------------|
| \D1 | CTS follows CD. If &C is not set to 1 then |
| | DSR also follows CD, otherwise it follows |
| | OH. |
|--------------+---------------------------------------------|
| \D2 | DSR and CTS follow CD. |
|--------------+---------------------------------------------|
| \D3 | DSR follows answer tone, CTS forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Re-dial last number. |
|--------------+---------------------------------------------|
| DNn | If the dial attempt fails, the modem will |
| | attempt to dial stored number n. |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled. |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DS | Dial the first stored number. |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled. |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection. |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register. |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for time specified in S7 |
| | 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/n | Dial stored telephone number n. |
|--------------+---------------------------------------------|
| D; | Modem returned to command state after |
| | dialing. The semicolon can only be placed |
| | at the end of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION - CONNECTION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \S [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays settings pertaining to the current |
| | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY S-REGISTERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %R [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the settings of all S-registers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \F [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERFACE PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \In [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use the |
| | Interface Protocol to communicate with the |
| | running software package. |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| í \I0 | Interface Protocol disabled. |
|---------------------+--------------------------------------|
| \I1 | Interface Protocol enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %U [cmds] |
|--------------+---------------------------------------------|
| Description: | Instructs the modem to reset the rate of |
| | the local serial port to match the DTE’s |
| | next command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RING INDICATOR (RI) SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects when the RI signal will be cleared |
| | from an incoming call. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| \R0 | RI signal not cleared until the call has |
| | disconnected. |
|---------------+--------------------------------------------|
| í \R1 | RI signal cleared when call is answered. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Pn=<#>:xxxx |
|--------------+---------------------------------------------|
| Description: | Writes the indicated telephone number into |
| | non-volatile memory at location n. The xxxx |
| | will be stored as a comment and will not be |
| | passed to the dial command. |
+------------------------------------------------------------+
Proprietary Microcom SX Command Set
+------------------------------------------------------------+
| ACCEPT MNP RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];AR;[cmds] |
|--------------+---------------------------------------------|
| Description: | Accept remote modem’s request for MNP |
| | reliable mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ANSWER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];A;[cmds] |
|--------------+---------------------------------------------|
| Description: | Enables answer mode; the modem goes |
| | off-hook. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-ANSWER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];AA xxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will |
| | automatically answer incoming calls. |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| í AAOFF | Auto-answer disabled. |
|----------------------+-------------------------------------|
| AAON | Auto-answer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SACn;[cmds] |
| | |
| | [cmds];SAC/x;[cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | 1 ASCII character |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character; SAC0 will |
| | disable this function. With the second form |
| | of this command, the user may specify a |
| | character, rather than its ASCII value. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];AUTn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| AUT0 | Data is discarded. |
|--------------+---------------------------------------------|
| AUT1 | Data is buffered for 4 seconds or 200 |
| | characters. |
|--------------+---------------------------------------------|
| AUT2 | Data is discarded; modem returns to normal |
| | mode on receiving auto-reliable fallback |
| | character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];RTxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| RTOFF | Auto-retrain disabled |
|--------------+---------------------------------------------|
| í RTON | Auto-retrain enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];Bn;[cmds] |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends a break to the modem. |
+------------------------------------------------------------+
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Configuration |
|------------------+---------------------------------------------|
|Format: |[cmds];SBRKn;[cmds] |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | | DTE |receives \B |remote modem|
| |Reliable/Normal| | | |
| | mode |Direct mode | | |
|---------+---------------+------------+------------+------------|
| SBRK0 |Enter command |Send break |Buffers |Buffers |
| |mode, do not |to remote |cleared and |cleared and |
| |send break to |modem |break sent |break sent |
| |remote modem. |immediately,|to remote |to DTE. |
| | |then enter |modem. | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| SBRK1 |Buffers cleared|Send break |Buffers |Buffers |
| |and break sent |to remote |cleared and |cleared and |
| |to remote |modem |break sent |break sent |
| |modem. |immediately.|to remote |to DTE. |
| | | |modem. | |
|---------+---------------+------------+------------+------------|
| SBRK2 |Enter command |Send break |Send break |Send break |
| |mode, do not |to remote |to remote |to DTE |
| |send break to |modem |modem |immediately.|
| |remote modem. |immediately,|immediately.| |
| | |then enter | | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| SBRK3 |Send break to |Send break |Send break |Send break |
| |remote modem |to remote |to remote |to DTE |
| |immediately. |modem |modem |immediately.|
| | |immediately.|immediately.| |
|---------+---------------+------------+------------+------------|
| SBRK4 |Enter command |Send break |Send break |Break sent |
| |mode, do not |to remote |to remote |with |
| |send break to |modem |modem with |received |
| |remote modem. |immediately,|transmitted |data to the |
| | |then enter |data. |DTE. |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| SBRK5 |Send break with|Send break |Send break |Break sent |
| |transmitted |to remote |to remote |with |
| |data. |modem |modem with |received |
| | |immediately.|transmitted |data to the |
| | | |data. |DTE. |
+----------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND ECHO AND RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SCExx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets whether the modem echoes commands |
| | entered and what format it sends result |
| | codes in. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í SCEOFF | Commands not echoed, result codes sent. |
|---------------+--------------------------------------------|
| SCEON | Commands echoed, result codes sent in |
| | verbose format. |
|---------------+--------------------------------------------|
| SCENO | Commands not echoed, result codes not |
| | sent. |
|---------------+--------------------------------------------|
| SCENUM | Commands not echoed, command prompt not |
| | displayed, result codes sent in numeric |
| | format. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SNCn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communications mode the modem |
| | will operate in. |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í SNC0 | Modem operates in asynchronous mode. |
|--------------+---------------------------------------------|
| SNC1 | Modem operates in synchronous connect mode |
| | and asynchronous off-line command mode. |
|--------------+---------------------------------------------|
| SNC2 | Modem operates in synchronous connect mode |
| | and auto-dials first stored number on high |
| | DTR. |
|--------------+---------------------------------------------|
| SNC3 | Modem operates in synchronous connect mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];BELLxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls. |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| BELLOFF | Use ITU-T protocols. |
|--------------+---------------------------------------------|
| í BELLON | Use Bell protocols. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SMxxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will make. |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| í SMNOR | Normal mode enabled. |
|---------------------+--------------------------------------|
| SMDIR | Direct mode enabled. |
|---------------------+--------------------------------------|
| SMREL | Reliable mode enabled. |
|---------------------+--------------------------------------|
| SMAUT | Auto-reliable mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SBn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed the modem will connect at. |
|------------------------------------------------------------|
| Command | Function |
|----------------------------+-------------------------------|
| SB50 | Selects 50bps. |
|----------------------------+-------------------------------|
| SB75 | Selects 75bps. |
|----------------------------+-------------------------------|
| SB110 | Selects 110bps. |
|----------------------------+-------------------------------|
| SB150 | Selects 150bps. |
|----------------------------+-------------------------------|
| SB300 | Selects 300bps. |
|----------------------------+-------------------------------|
| SB1200 | Selects 1200bps. |
|----------------------------+-------------------------------|
| í SB2400 | Selects 2400bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA CARRIER DETECT (DCD) SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];S1Cn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DCD signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S1C0 | DCD forced high. |
|--------------+---------------------------------------------|
| S1C1 | DCD forced high after carrier signal is |
| | detected. |
|--------------+---------------------------------------------|
| S1C2 | CD forced high except during disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) AND CLEAR TO SEND (CTS) SIGNALS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];S1Dn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR and CTS |
| | signals. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S1D0 | DSR and CTS forced high. |
|--------------+---------------------------------------------|
| S1D1 | CTS follows CD. If &C is not set to 1 then |
| | DSR also follows CD, otherwise it follows |
| | OH. |
|--------------+---------------------------------------------|
| S1D2 | DSR and CTS follow CD. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];D<#> |
|--------------+---------------------------------------------|
| Description: | Dials the telephone number indicated |
| | 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 | Re-dial last number. |
|--------------+---------------------------------------------|
| DNn | If the dial attempt fails, the modem will |
| | attempt to dial stored number n. |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled. |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DS | Dial the first stored number. |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled. |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection. |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register. |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for 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/n | Dial stored telephone number n. |
|--------------+---------------------------------------------|
| D; | Modem returned to command state after |
| | dialing. The semicolon can only be placed |
| | at the end of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL REPEATEDLY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RD<#>;[cmds] |
|--------------+---------------------------------------------|
| Description: | Dials the number indicated up to ten times, |
| | pausing a few seconds between attempts. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION - CONNECTION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];HELP;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays settings pertaining to the current |
| | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION - CONNECTION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RS3;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays settings pertaining to the current |
| | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION - GENERAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RS2;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays general settings of the current |
| | configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CONFIGURATION - SERIAL PORT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RS;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays settings pertaining to the serial |
| | port. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY S-REGISTERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];REGS;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the settings of all S-registers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RP;[cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SDn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the modem’s response to the DTR |
| | signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| SD0 | Modem does not respond to DTR. Modem |
| | disconnects when receiving a break of over |
| | 500ms. |
|--------------+---------------------------------------------|
| SD1 | Modem goes to command mode when DTR goes |
| | low. |
|--------------+---------------------------------------------|
| í SD2 | Modem disconnects when DTR goes low and |
| | waits for the user to enter the characters |
| | "4 5" to configure the speed and parity of |
| | the serial port. |
|--------------+---------------------------------------------|
| SD3 | Modem is initialized when DTR goes low and |
| | waits for the user to enter the characters |
| | "4 5" to configure the speed and parity of |
| | the serial port. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO DATA |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SDExx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Enables modem to echo data received from |
| | DTE. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í SDEOFF | Data echo disabled |
|--------------+---------------------------------------------|
| SDEON | Data echo enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ENHANCED DIAL MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];DCxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use AX |
| | enhanced dialing modes. |
|------------------------------------------------------------|
| Command | Function |
|--------------------+---------------------------------------|
| DCON | Enhanced dialing enabled. |
|--------------------+---------------------------------------|
| DCOFF | Enhanced dialing disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | <CTRL>-A |
|--------------+---------------------------------------------|
| Description: | Initiates the escape sequence and returns |
| | the modem to the on-line command state. |
|--------------+---------------------------------------------|
| Note: | This character can be changed by the SE |
| | command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SEn;[cmds] |
| | |
| | [cmds];SE/x;[cmds] |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | 1 ASCII character |
|--------------+---------------------------------------------|
| Description: | Sets the character used as for the escape |
| | sequence; SE0 will disable the escape |
| | sequence. With the second form of this |
| | command, the user may specify a character, |
| | rather than its ASCII value. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULT PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];INIT;[cmds] |
|--------------+---------------------------------------------|
| Description: | Resets modem to values found in the factory |
| | profile. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL - MODEM TO MODEM |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SFMn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem to modem flow control. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| SFM0 | Flow control disabled. |
|--------------+---------------------------------------------|
| SFM1 | Flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SF1n;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by the |
| | modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| SF10 | Flow control disabled. |
|--------------+---------------------------------------------|
| SF11 | Bidirectional XON/XOFF flow control |
| | enabled. |
|--------------+---------------------------------------------|
| SF12 | CTS flow control by DCE enabled. |
|--------------+---------------------------------------------|
| SF13 | Bidirectional RTS/CTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GUARD TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SGn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to transmit a guard |
| | tone. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í SG0 | Guard tone disabled |
|--------------+---------------------------------------------|
| SG1 | 550Hz guard tone enabled |
|--------------+---------------------------------------------|
| SG2 | 1800Hz guard tone enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANG UP |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];H;[cmds] |
|--------------+---------------------------------------------|
| Description: | Hangs up the line. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SITn;[cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERFACE PROTOCOL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];IPxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use the |
| | Interface Protocol to communicate with the |
| | running software package. |
|------------------------------------------------------------|
| Command | Function |
|---------------------+--------------------------------------|
| í IPOFF | Interface Protocol disabled. |
|---------------------+--------------------------------------|
| IPON | Interface Protocol enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] SLLxx [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects line type. |
|--------------+---------------------------------------------|
| Command | Line Type |
|--------------+---------------------------------------------|
| í SLLOFF | Switched line. |
|--------------+---------------------------------------------|
| SLLON | Leased-line. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];S1Bn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed that the modem will |
| | communicate with the DTE. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S1B50 | Sets the serial port to 50bps. |
|---------------+--------------------------------------------|
| S1B75 | Sets the serial port to 75bps. |
|---------------+--------------------------------------------|
| S1B110 | Sets the serial port to 110bps. |
|---------------+--------------------------------------------|
| S1B150 | Sets the serial port to 150bps. |
|---------------+--------------------------------------------|
| S1B300 | Sets the serial port to 300bps. |
|---------------+--------------------------------------------|
| S1B600 | Sets the serial port to 600bps. |
|---------------+--------------------------------------------|
| S1B1200 | Sets the serial port to 1200bps. |
|---------------+--------------------------------------------|
| S1B2400 | Sets the serial port to 2400bps. |
|---------------+--------------------------------------------|
| S1B4800 | Sets the serial port to 4800bps. |
|---------------+--------------------------------------------|
| S1B9600 | Sets the serial port to 9600bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];BAxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í BAOFF | Serial speed locked. |
|--------------+---------------------------------------------|
| BAON | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MICROCOM BANNER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];BANxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will transmit the |
| | Microcom banner to the DTE on reset and |
| | initialization. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| BANOFF | Banner disabled. |
|--------------+---------------------------------------------|
| í BANON | Banner enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];BLKn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size |
| | in MNP mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| BLK0 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| BLK1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| BLK2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| í BLK3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP - STREAM/BLOCK MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];BLxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the transfer mode for MNP links. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í BLOFF | Stream mode for MNP enabled. |
|--------------+---------------------------------------------|
| BLON | Block mode for MNP enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];E |
|--------------+---------------------------------------------|
| Description: | Instructs the modem to return to the |
| | on-line state. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE WITH RETRAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];ER |
|--------------+---------------------------------------------|
| Description: | Instructs the modem to return to the |
| | on-line state and initiate a retrain |
| | sequence. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PAUSE DURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format | [cmds];SPTn;[cmds] |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Duration of pause per comma (,) command |
| | used in a command or dial string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SDPn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í SDP0 | 39/61ms at 10pps (North America). |
|--------------+---------------------------------------------|
| SDP1 | 33/67ms at 10pps (Europe). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| READY TO SEND (RTS) AND CLEAR TO SEND (CTS) SIGNALS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];CRTSn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the CTS and RTS |
| | signals. |
|--------------+---------------------------------------------|
| Note: | This command only functions in synchronous |
| | mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í CRTS0 | CTS follows RTS in data mode; RTS is |
| | ignored in command mode. |
|--------------+---------------------------------------------|
| CRTS1 | CTS forced high, RTS is ignored. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT IDENTIFICATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];ID;[cmds] |
|--------------+---------------------------------------------|
| Description: | Reports the product code and firmware |
| | revision. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RING INDICATOR (RI) SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];S1Rn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects when the RI signal will be cleared |
| | from an incoming call. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S1R0 | RI signal not cleared until the call has |
| | disconnected. |
|---------------+--------------------------------------------|
| í S1R1 | RI signal cleared when call is answered. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL DATA FORMAT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];S1Pn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the word size and parity of the serial |
| | port. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| S1P0 | 7 data bits, odd parity. |
|-----------------------+------------------------------------|
| S1P1 | 7 data bits, even parity. |
|-----------------------+------------------------------------|
| S1P2 | 7 data bits, MARK parity. |
|-----------------------+------------------------------------|
| S1P3 | 7 data bits, SPACE parity. |
|-----------------------+------------------------------------|
| í S1P4 | 8 data bits, no parity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SOFT RESET |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RESET;[cmds] |
|--------------+---------------------------------------------|
| Description: | Restores the modem to the configuration |
| | previously saved in non-volatile RAM using |
| | the &W command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SAn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various speaker options. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í SA0 | Speaker enabled until carrier signal |
| | detected. |
|--------------+---------------------------------------------|
| SA1 | Speaker enabled. |
|--------------+---------------------------------------------|
| SA2 | Speaker disabled. |
|--------------+---------------------------------------------|
| SA3 | Speaker enabled following dialing, then |
| | disabled after carrier signal detected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS REGISTERS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | Read: [cmds];Sn?;[cmds] |
| | |
| | Write: [cmds];Sn=a;[cmds] |
|--------------+---------------------------------------------|
| Description: | Writes to or reads from a specified |
| | register. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];WPn <#>:xxxx |
|--------------+---------------------------------------------|
| Description: | Writes the indicated telephone number into |
| | non-volatile memory at location n. The xxxx |
| | will be stored as a comment and will not be |
| | passed to the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TO OR ACCEPT MNP RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];SR;[cmds] |
|--------------+---------------------------------------------|
| Description: | Requests to convert to MNP reliable mode |
| | from normal or direct mode. Also accepts a |
| | request to convert to MNP reliable mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TO MNP RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];OR;[cmds] |
|--------------+---------------------------------------------|
| Description: | Requests to convert to MNP reliable mode |
| | from normal or direct mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TO NORMAL MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];SN;[cmds] |
|--------------+---------------------------------------------|
| Description: | Switches to normal mode from MNP mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - TERMINATE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];ET;[cmds] |
|--------------+---------------------------------------------|
| Description: | Ends the test currently in progress. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - LOCAL ANALOG LOOPBACK |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];XA;[cmds] |
|--------------+---------------------------------------------|
| Description: | Begins a local analog loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - LOCAL ANALOG LOOPBACK WITH SELF-TEST |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];YA;[cmds] |
|--------------+---------------------------------------------|
| Description: | Begins a local analog loopback with |
| | self-test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - LOCAL DIGITAL LOOPBACK |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];XL;[cmds] |
|--------------+---------------------------------------------|
| Description: | Begins a local digital loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - REMOTE DIGITAL LOOPBACK REQUEST |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RL;[cmds] |
|--------------+---------------------------------------------|
| Description: | Requests a remote digital loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - REMOTE DIGITAL LOOPBACK REQUEST WITH DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];XD<#> |
|--------------+---------------------------------------------|
| Description: | Dials the indicated number and requests a |
| | remote digital loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - REMOTE DIGITAL LOOPBACK WITH SELF-TEST |
| REQUEST |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RLT;[cmds] |
|--------------+---------------------------------------------|
| Description: | Requests a remote digital loopback with |
| | self-test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - REMOTE DIGITAL LOOPBACK WITH SELF-TEST |
| REQUEST WITH DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];YD<#> |
|--------------+---------------------------------------------|
| Description: | Dials the indicated number and requests a |
| | remote digital loopback with self-test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES - REMOTE DIGITAL LOOPBACK RESPONSE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];RLBxx;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will allow a |
| | requested remote digital loopback test. |
|------------------------------------------------------------|
| Command | Function |
|----------------+-------------------------------------------|
| RLBOFF | Modem will not allow a remote digital |
| | loopback test. |
|----------------+-------------------------------------------|
| í RLBON | Modem will allow a remote digital |
| | loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | [cmds];SXn;[cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í SX0 | XON/XOFF signals trapped by local modem |
|--------------+---------------------------------------------|
| SX1 | XON/XOFF passed through local modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON TRANSMIT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | [cmds];CMF;[cmds] |
|--------------+---------------------------------------------|
| Description: | Sends an XON character to restart |
| | communications after a data character is |
| | misinterpreted as an XOFF character. |
+------------------------------------------------------------+