(TXT) View Source
# CALPAK CORPORATION
MX-2442B
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 2400bps
Maximum Fax Rate 9600bps
Data Bus 8-bit ISA
Fax Class Unidentifed
Data Modulation Protocol Unidentifed
Fax Modulation Protocol ITU-T V.21, V.27ter
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Line out | CN1 | Line in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Port | SW1/A | SW1/C | SW1/E | SW1/F |
|----------------+----------+----------+----------+----------|
| » COM1: (3F8h) | Off | On | Off | On |
|----------------+----------+----------+----------+----------|
| COM2: (2F8h) | On | Off | Off | On |
|----------------+----------+----------+----------+----------|
| COM3: (3E8h) | Off | On | On | Off |
|----------------+----------+----------+----------+----------|
| COM4: (2E8h) | On | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW/B | SW1/D | JP1 |
|------------+-------------+-------------+-------------------|
| 3 | On | Off | Pins 2 & 4 closed |
|------------+-------------+-------------+-------------------|
| » 4 | Off | On | Pins 2 & 4 closed |
|------------+-------------+-------------+-------------------|
| 5 | Off | Off | Pins 3 & 4 closed |
|------------+-------------+-------------+-------------------|
| 7 | Off | Off | Pins 1 & 2 closed |
|------------------------------------------------------------|
| Note: Location of JP1 is unidentified. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| ACCEPT RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \U [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \U B1<CR> |
|--------------+---------------------------------------------|
| Description: | Accepts remote modem’s request for reliable |
| | link. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT%A19<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character. %A0 will |
| | disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \C1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \C0 | Data is discarded. |
|--------------+---------------------------------------------|
| \C1 | Data is buffered. |
|--------------+---------------------------------------------|
| \C2 | Data is discarded, modem returns to normal |
| | mode on receiving auto-reliable fallback |
| | character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS14=0<CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0-174 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls echo, result codes, result code |
| | display, dial mode, and answer/originate |
| | mode. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+------------+------------------------------------|
| 0 | 0 | Not used. |
|----------+------------+------------------------------------|
| 1 | 0 | Command echo disabled. |
| | | |
| | 1 | Command echo enabled. |
|----------+------------+------------------------------------|
| 2 | 0 | Result codes enabled. |
| | | |
| | 1 | Result codes disabled. |
|----------+------------+------------------------------------|
| 3 | 0 | Display result codes in numeric |
| | | format. |
| | 1 | |
| | | Display result codes in verbose |
| | | format. |
|----------+------------+------------------------------------|
| 4 | 0 | Smart mode. |
| | | |
| | 1 | Dumb mode. |
|----------+------------+------------------------------------|
| 5 | 0 | Tone dial enabled. |
| | | |
| | 1 | Pulse dial enabled. |
|----------+------------+------------------------------------|
| 6 | 0 | Not used. |
|----------+------------+------------------------------------|
| 7 | 0 | Answer mode enabled. |
| | | |
| | 1 | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS21=0<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0-253 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Selects jack type, CTS signal, low DTR |
| | action, DCD signal, DSR signal, and the |
| | Long Space Disconnect function. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | 0 | RJ-11 |
| | | |
| | 1 | Not used. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Serial. |
| | | |
| | 1 | Parallel. |
|----------+-------+-----------------------------------------|
| 2 | 0 | CTS follows RTS. |
| | | |
| | 1 | CTS forced high (synchronous only). |
|----------+-------+-----------------------------------------|
| 4, 3 | 00 | DTR signal ignored. |
| | | |
| | 01 | Modem goes to command mode on low DTR. |
| | | |
| | 10 | Modem disconnects on low DTR. |
| | | Auto-Answer is disabled. |
| | 11 | |
| | | Modem is initialized on low DTR. |
|----------+-------+-----------------------------------------|
| 5 | 0 | DCD forced high. |
| | | |
| | 1 | DCD normal. |
|----------+-------+-----------------------------------------|
| 6 | 0 | DSR forced high. |
| | | |
| | 1 | DSR normal. |
|----------+-------+-----------------------------------------|
| 7 | 0 | Long Space Disconnect function |
| | | disabled. |
| | 1 | |
| | | Long Space Disconnect function enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS22=0<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0-127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls speaker volume and controls, and |
| | limits results codes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Off volume. |
| | | |
| | 01 | On volume. |
| | | |
| | 10 | Medium level volume. |
| | | |
| | 11 | High level volume. |
|-----------+-------+----------------------------------------|
| 3, 2 | 00 | Speaker off. |
| | | |
| | 01 | Speaker off on carrier. |
| | | |
| | 10 | Speaker always on. |
| | | |
| | 11 | Speaker on during handshake. |
|-----------+-------+----------------------------------------|
| 6, 5, 4 | 000 | Basic result codes only enabled. |
| | | |
| | 100 | Basic and connection speed result |
| | | codes enabled. |
| | 101 | |
| | | Basic and connection speed result |
| | 110 | codes and dialtone detection enabled. |
| | | |
| | 111 | All result codes except dialtone |
| | | detection enabled. |
| | | |
| | | All result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS23=0<CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0-189 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Grants/denies remote digital loopback, |
| | controls DTE rate and parity, and sets |
| | guard tone. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 0 | 0 | Remote digital loopback denied. |
| | | |
| | 1 | Remote digital loopback allowed. |
|-----------+--------+---------------------------------------|
| 2, 1 | 00 01 | Sets serial port speed to 0-300bps. |
| | 10 11 | |
| | | Sets serial port speed to 600bps. |
| | | |
| | | Sets serial port speed to 1200bps. |
| | | |
| | | Sets serial port speed to 2400bps. |
|-----------+--------+---------------------------------------|
| 3 | 0 | Not used. |
|-----------+--------+---------------------------------------|
| 5,4 | 00 | Parity even. |
| | | |
| | 01 | Space Parity. |
| | | |
| | 10 | Parity odd. |
| | | |
| | 11 | Mark/ No Parity. |
|-----------+--------+---------------------------------------|
| 7, 6 | 00 | Guard tone disabled. |
| | | |
| | 01 | Guard tone 550Hz enabled. |
| | | |
| | 10 | Guard tone 1800Hz enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S27=0 <CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0 - 108 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects sync/async mode, Line type, |
| | internal clock, and ITU-T/Bell modes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Asynchronous mode, serial port speed |
| | | follows connect speed. |
| | 01 | |
| | | Asynchronous command mode and |
| | 10 | synchronous connect mode. |
| | | |
| | 11 | Asynchronous command mode and |
| | | synchronous connect mode, DTR dialing |
| | | enabled. |
| | | |
| | | Asynchronous command mode on low DTR, |
| | | synchronous connect mode on high DTR. |
|-----------+-------+----------------------------------------|
| 2 | 0 | Dial up line. |
| | | |
| | 1 | Leased line. |
|-----------+-------+----------------------------------------|
| 3 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 5, 4 | 00 | Internal DCE transmit clock source. |
| | | |
| | 01 | External DTE transmit clock source. |
| | | |
| | 10 | Remote DCE transmit clock source. |
|-----------+-------+----------------------------------------|
| 6 | 0 | CCITT mode. |
| | | |
| | 1 | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S36 |
|------------------------------------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS36=0<CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0 - 207 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects connect mode, flow control, |
| | XON/XOFF flow control, and DTE port flow |
| | control. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 1, 0 | 00 | Normal mode enabled. |
| | | |
| | 01 | Direct mode enabled. |
| | | |
| | 10 | Reliable mode enabled. |
| | | |
| | 11 | Auto-reliable mode enabled. |
|-----------+--------+---------------------------------------|
| 2 | 0 | Flow control disabled. |
| | | |
| | 1 | Flow control enabled. |
|-----------+--------+---------------------------------------|
| 3 | 0 | XON/XOFF signals trapped by local |
| | | modem. |
| | 1 | |
| | | XON/XOFF passed through local modem. |
|-----------+--------+---------------------------------------|
| 5, 4 | 0 | Not used. |
|-----------+--------+---------------------------------------|
| 6, 7 | 00 | Flow control disabled. |
| | | |
| | 01 | XON/XOFF flow control enabled. |
| | | |
| | 10 | CTS flow control to DTE enabled. |
| | | |
| | 11 | RTS/CTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S38 |
|------------------------------------------------------------|
| Format | AT [cmds] S38=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS38=40<CR> |
|-----------------+------------------------------------------|
| Default: | Unidentified |
|-----------------+------------------------------------------|
| Range: | 0 - 158 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls auto-reliable buffer, lock |
| | serial port speed, data echo, extended |
| | result codes, and transmit break. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Data is discarded. |
| | | |
| | 01 | Data is buffered. |
| | | |
| | 10 | Data is discarded, modem returns to |
| | | normal mode on receiving auto-reliable |
| | | fallback character. |
|-----------+-------+----------------------------------------|
| 2 | 0 | Serial speed locked. |
| | | |
| | 1 | Serial speed follows connect speed. |
|-----------+-------+----------------------------------------|
| 3 | 0 | Data echo disabled. |
| | | |
| | 1 | Data echo enabled. |
|-----------+-------+----------------------------------------|
| 4 | 0 | Extended result codes disabled. |
| | | |
| | 1 | Extended result codes enabled. |
|-----------+-------+----------------------------------------|
| 6, 5 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 7 | 0 | 300ms break not transmitted. |
| | | |
| | 1 | 300ms break transmitted. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format | AT [cmds] S40=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS40=0<CR> |
|----------------+-------------------------------------------|
| Default: | Unidentified |
|----------------+-------------------------------------------|
| Range: | 0 - 163 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls MNP block size, and break type. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | 00 | Maximum MNP block size is 64 |
| | | characters. |
| | 01 | |
| | | Maximum MNP block size is 128 |
| | 10 | characters. |
| | | |
| | 11 | Maximum MNP block size is 192 |
| | | characters. |
| | | |
| | | Maximum MNP block size is 256 |
| | | characters. |
|-----------+-------+----------------------------------------|
| 2, 3, 4 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 5, 6, 7 | 000 | Online command mode enabled, send no |
| | | break to remote modem. |
| | 001 | |
| | | Break sent to remote modem and |
| | 010 | buffered cleared. |
| | | |
| | 011 | Online command mode enabled, send no |
| | | break to remote modem. |
| | 100 | |
| | | Send break to remote modem |
| | 101 | immediately. |
| | | |
| | | Online command mode enabled, send no |
| | | break to remote modem. |
| | | |
| | | Send break with transmitted data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \B3 &W<CR> |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \K5 <CR> |
|--------------+---------------------------------------------|
| Description: | Configures action of break signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \K0 | Online command mode enabled, send no break |
| | to remote modem. |
|--------------+---------------------------------------------|
| \K1 | Break sent to remote modem and buffered |
| | cleared. |
|--------------+---------------------------------------------|
| \K2 | Online command mode enabled, send no break |
| | to remote modem. |
|--------------+---------------------------------------------|
| \K3 | Send break to remote modem immediately. |
|--------------+---------------------------------------------|
| \K4 | Online command mode enabled, send no break |
| | to remote modem. |
|--------------+---------------------------------------------|
| \K5 | Send break with transmitted data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \V1 %C0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S41=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S41=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S41=0 | Data compression disabled. |
|--------------+---------------------------------------------|
| S41=1 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N0 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled. |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled. |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled. |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONVERT TO RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Y [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Y<CR> |
|--------------+---------------------------------------------|
| Description: | Initiates reliable mode link. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO DATA |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \En [cmds] |
|--------------+---------------------------------------------|
| \Example: | AT \E0 <CR> |
|--------------+---------------------------------------------|
| Description: | Enables modem to echo received data. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \E0 | Data echo disabled. |
|--------------+---------------------------------------------|
| \E1 | Data echo enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \V0 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Extended result codes disabled. |
|--------------+---------------------------------------------|
| \V1 | Extended result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \G1 &K3<CR> |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \G0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Q0 A <CR> |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \Q1 | XON/XOFF flow control enabled. |
|--------------+---------------------------------------------|
| \Q2 | CTS flow control to DTE enabled. |
|--------------+---------------------------------------------|
| \Q3 | RTS/CTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT\T20<CR> |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L3 %B14 \J0<CR> |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \J0 | Serial speed locked. |
|--------------+---------------------------------------------|
| \J1 | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \A3 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | Maximum MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| \A1 | Maximum MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | Maximum MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| \A3 | Maximum MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE IN RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \O |
|--------------+---------------------------------------------|
| Example: | AT \O <CR> |
|--------------+---------------------------------------------|
| Description: | Returns to on-line and requests reliable |
| | mode connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TO MNP MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Z [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Z &W<CR> |
|--------------+---------------------------------------------|
| Description: | Switches to normal mode from MNP mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS16=0<CR> |
|---------------+--------------------------------------------|
| Default: | Unidentified |
|---------------+--------------------------------------------|
| Range: | 0-125 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls loopback tests, analog, digital, |
| | remote digital, and self tests. |
|------------------------------------------------------------|
| Bit | Value | Function |
|---------+-------+------------------------------------------|
| 0 | 0 | Local analog loopback not in progress. |
| | | |
| | 1 | Local analog loopback in progress. |
|---------+-------+------------------------------------------|
| 1 | 0 | Not used. |
|---------+-------+------------------------------------------|
| 2 | 0 | Local digital loopback not in progress. |
| | | |
| | 1 | Local digital loopback in progress. |
|---------+-------+------------------------------------------|
| 3 | 0 | Modem not in remote digital loopback. |
| | | |
| | 1 | Remote digital loopback in progress. |
|---------+-------+------------------------------------------|
| 4 | 0 | Remote digital loopback not requested. |
| | | |
| | 1 | Remote digital loopback requested. |
|---------+-------+------------------------------------------|
| 5 | 0 | Remote digital loopback w/ self-test not |
| | | in progress. |
| | 1 | |
| | | Remote digital loopback w/ self-test in |
| | | progress. |
|---------+-------+------------------------------------------|
| 6 | 0 | Local analog loopback w/ self-test not |
| | | in progress. |
| | 1 | |
| | | Local analog loopback w/ self-test in |
| | | progress. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \X0 O<CR> |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \X0 | XON/XOFF signals trapped by local modem. |
|--------------+---------------------------------------------|
| \X1 | XON/XOFF passed through local modem. |
+------------------------------------------------------------+