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# I/O MAGIC CORPORATION
LIGHTNING 28.8
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus PCMCIA Type II
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
V1583
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RETRAIN - FALLBACK/FALLFORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %E1 <CR> |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain mode and |
| | fallback/fall forward. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled. |
|--------------+---------------------------------------------|
| %E1 | Auto-retrain enabled. |
|--------------+---------------------------------------------|
| %E2 | Fallback/fall forward enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS14=138<CR> |
|-----------------+------------------------------------------|
| Default: | 138 |
|-----------------+------------------------------------------|
| 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 » 1 | Command echo disabled. |
| | | |
| | | Command echo enabled. |
|----------+------------+------------------------------------|
| 2 | » 0 1 | Result codes enabled. |
| | | |
| | | Result codes disabled. |
|----------+------------+------------------------------------|
| 3 | 0 » 1 | Display result codes in numeric |
| | | format. |
| | | |
| | | Display result codes in verbose |
| | | format. |
|----------+------------+------------------------------------|
| 4 | 0 | Not used. |
|----------+------------+------------------------------------|
| 5 | » 0 1 | Tone dial enabled. |
| | | |
| | | Pulse dial enabled. |
|----------+------------+------------------------------------|
| 6 | 0 | Not used. |
|----------+------------+------------------------------------|
| 7 | 0 » 1 | Answer mode enabled. |
| | | |
| | | Originate mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS21=4<CR> |
|----------------+-------------------------------------------|
| Default: | 4 |
|----------------+-------------------------------------------|
| 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 1 | Selects RJ-11 jack. |
| | | |
| | | Selects RJ-12 or RJ-13 jack. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 2 | 0 » 1 | CTS forced high. |
| | | |
| | | CTS follows RTS. |
|----------+-------+-----------------------------------------|
| 4, 3 | » 00 | DTR signal ignored. |
| | 01 10 | |
| | 11 | Modem goes to command mode on low DTR. |
| | | |
| | | Modem disconnects on low DTR. |
| | | Auto-Answer is disabled. |
| | | |
| | | Modem is initialized on low DTR. |
|----------+-------+-----------------------------------------|
| 5 | » 0 1 | DCD forced high. |
| | | |
| | | DCD normal. |
|----------+-------+-----------------------------------------|
| 6 | » 0 1 | DSR forced high. |
| | | |
| | | DSR normal. |
|----------+-------+-----------------------------------------|
| 7 | » 0 1 | Long Space Disconnect function |
| | | disabled. |
| | | |
| | | Long Space Disconnect function enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS22=117<CR> |
|----------------+-------------------------------------------|
| Default: | 117 |
|----------------+-------------------------------------------|
| 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 10 | |
| | 11 | On volume. |
| | | |
| | | Medium level volume. |
| | | |
| | | High level volume. |
|-----------+-------+----------------------------------------|
| 3, 2 | 00 » | Speaker off. |
| | 01 10 | |
| | 11 | Speaker off on carrier. |
| | | |
| | | Speaker always on. |
| | | |
| | | Speaker on during handshake. |
|-----------+-------+----------------------------------------|
| 6, 5, 4 | 000 » | Basic result codes only enabled. |
| | 100 | |
| | 101 | Basic and connection speed result |
| | 110 | codes enabled. |
| | 111 | |
| | | Basic and connection speed result |
| | | codes and dialtone detection enabled. |
| | | |
| | | All result codes except dialtone |
| | | detection enabled. |
| | | |
| | | All result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|------------------+-----------------------------------------|
| Example: | ATS23=55<CR> |
|------------------+-----------------------------------------|
| Default: | 55 |
|------------------+-----------------------------------------|
| 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 » 1 | Remote digital loopback denied. |
| | | |
| | | Remote digital loopback allowed. |
|------------+--------+--------------------------------------|
| 3, 2, 1 | 000 | Sets serial port speed to 0-300bps. |
| | 001 | |
| | 010 » | Sets serial port speed to 600bps. |
| | 011 | |
| | 100 | Sets serial port speed to 1200bps. |
| | 101 | |
| | 110 | Sets serial port speed to 2400bps. |
| | | |
| | | Sets serial port speed to 4800bps. |
| | | |
| | | Sets serial port speed to 9600bps. |
| | | |
| | | Sets serial port speed to 19200bps. |
|------------+--------+--------------------------------------|
| 5,4 | 00 01 | Parity even. |
| | 10 » | |
| | 11 | Not used. |
| | | |
| | | Parity odd. |
| | | |
| | | No Parity. |
|------------+--------+--------------------------------------|
| 7, 6 | » 00 | Guard tone disabled. |
| | 01 10 | |
| | | Guard tone 550Hz enabled. |
| | | |
| | | Guard tone 1800Hz enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|----------------+-------------------------------------------|
| Example: | AT S27=73 <CR> |
|----------------+-------------------------------------------|
| Default: | 73 |
|----------------+-------------------------------------------|
| Range: | 0 - 110 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Selects sync/async mode, line type, |
| | internal clock, and ITU-T/Bell modes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 3, 1, 0 | 000 | Asynchronous mode, serial port speed |
| | 001 | follows connect speed. |
| | 010 | |
| | 011 | Asynchronous command mode and |
| | 100 » | synchronous connect mode. |
| | 101 | |
| | 110 | Asynchronous command mode and |
| | | synchronous connect mode, DTR dialing |
| | | enabled. |
| | | |
| | | Asynchronous command mode on low DTR, |
| | | synchronous connect mode on high DTR. |
| | | |
| | | Hayes AutoSync™ mode - serial port |
| | | locked at 9600bps. |
| | | |
| | | Error correcting mode. |
| | | |
| | | Asynchronous operation in normal mode. |
|-----------+-------+----------------------------------------|
| 2 | » 0 1 | Dial up line. |
| | | |
| | | Leased line. |
|-----------+-------+----------------------------------------|
| 5, 4 | » 00 | Internal DCE transmit clock source. |
| | 01 10 | |
| | | External DTE transmit clock source. |
| | | |
| | | Remote DCE transmit clock source. |
|-----------+-------+----------------------------------------|
| 6 | 0 » 1 | CCITT mode. |
| | | |
| | | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format | AT [cmds] S28=n [cmds] |
|----------------+-------------------------------------------|
| Example: | AT S28=0 <CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 155 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls V.23 split speed/direction, |
| | pulse dialing and link negotiation speed. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+---------+---------------------------------------|
| 0 | 0 | V.23 split speed operation disabled. |
| | | |
| | 1 | V.23 split speed operation enabled. |
|----------+---------+---------------------------------------|
| 1 | 0 | Select 75bps transmit, 1200bps |
| | | receive. |
| | 1 | |
| | | Select 1200bps transmit, 75bps |
| | | receive. |
|----------+---------+---------------------------------------|
| 2 | 0 | Not used |
|----------+---------+---------------------------------------|
| 4, 3 | 00 | 39ms make/61ms break at 10pps. |
| | | |
| | 01 | 33ms make/67ms break at 10pps. |
| | | |
| | 10 | 39ms make/61ms break at 20pps. |
| | | |
| | 11 | 33ms make/67ms break at 20pps. |
|----------+---------+---------------------------------------|
| 5 | 0 | Not used |
|----------+---------+---------------------------------------|
| 7, 6 | 00 | Link at highest speed possible. |
| | | |
| | 01 | Link at 1200bps. |
| | | |
| | 10 | Link at 4800bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S31 |
|------------------------------------------------------------|
| Format | AT [cmds] S31=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS31=2<CR> |
|-----------------+------------------------------------------|
| Default: | 2 |
|-----------------+------------------------------------------|
| Range: | 0 - 10 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls auto-line speed, and displays |
| | error correction progress messages. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 0 | 0 | Not used. |
|-----------+--------+---------------------------------------|
| 1 | 0 » 1 | Automatic mode detection disabled. |
| | | |
| | | Automatic mode detection enabled. |
|-----------+--------+---------------------------------------|
| 3, 2 | » 00 | DTE speed only. |
| | 01 10 | |
| | | Full reporting. |
| | | |
| | | DCE speed only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S39 |
|------------------------------------------------------------|
| Format | AT [cmds] S39=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS39=3<CR> |
|-----------------+------------------------------------------|
| Default: | 3 |
|-----------------+------------------------------------------|
| Range: | 0 - 6 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls flow control and line type. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------+-------+---------------------------------------|
| 2, 1, 0 | 000 » | Flow control disabled. |
| | 011 | |
| | 100 | Hardware flow control enabled. |
| | 101 | |
| | 110 | Normal software flow control enabled. |
| | | |
| | | Transparent software flow control |
| | | enabled. |
| | | |
| | | Both hardware and software flow |
| | | control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format | AT [cmds] S40=n [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S40=107 <CR> |
|-----------------+------------------------------------------|
| Default: | 107 |
|-----------------+------------------------------------------|
| Range: | 0 - 253 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls MNP extended services, fallback |
| | to V.22/22bis, power level adjustment, |
| | break handling, and MNP block size. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+---------+--------------------------------------|
| 0 | 0 » 1 | MNP10 disabled. |
| | | |
| | | MNP10 enabled. |
|-----------+---------+--------------------------------------|
| 1 | 0 » 1 | MNP10 at 2400 and 1200bps disabled. |
| | | |
| | | MNP10 at 2400 and 1200bps enabled. |
|-----------+---------+--------------------------------------|
| 2 | » 0 1 | Power level adjustment disabled. |
| | | |
| | | Power level adjustment enabled. |
|-----------+---------+--------------------------------------|
| 5 - 3 | 000 001 | \K0 |
| | 010 011 | |
| | 100 » | \K1 |
| | 101 | |
| | | \K2 |
| | | |
| | | \K3 |
| | | |
| | | \K4 |
| | | |
| | | \K5 |
|-----------+---------+--------------------------------------|
| 7, 6 | 00 » 01 | Maximum MNP block size is 64 |
| | 10 11 | characters. |
| | | |
| | | Maximum MNP block size is 128 |
| | | characters. |
| | | |
| | | Maximum MNP block size is 192 |
| | | characters. |
| | | |
| | | Maximum MNP block size is 256 |
| | | characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format | AT [cmds] S41=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS41=3<CR> |
|-----------------+------------------------------------------|
| Default: | 3 |
|-----------------+------------------------------------------|
| Range: | 0 - 91 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects compression, retrain and |
| | fallback/fall-forward, flow control, and |
| | MNP mode. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-----------+------------------------------------|
| 1 - 0 | 00 01 10 | Data compression disabled. |
| | » 11 | |
| | | MNP5 enabled. |
| | | |
| | | V.42bis enabled. |
| | | |
| | | MNP5 and V.42bis enabled. |
|-----------+-----------+------------------------------------|
| 6, 2 | » 00 01 | Retrain and fallback disabled. |
| | 10 | |
| | | Retrain enabled. |
| | | |
| | | Fallback/fall-forward enabled. |
|-----------+-----------+------------------------------------|
| 3 | » 0 1 | Flow control disabled. |
| | | |
| | | Flow control enabled. |
|-----------+-----------+------------------------------------|
| 4 | » 0 1 | Stream mode for MNP. |
| | | |
| | | Block mode for MNP. |
|-----------+-----------+------------------------------------|
| 5 | 0 | Not used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \B3 &W<CR> |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| 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 | Break from | Modem | Break |
| | DTE | receives \B | received |
| | | | from remote |
| | | | modem |
|---------------+---------------+--------------+-------------|
| \K0 | Online | Break sent | Buffers |
| | command mode | to remote | cleared, |
| | enabled, send | modem and | break sent |
| | no break to | buffered | to DTE. |
| | remote modem. | cleared. | |
|---------------+---------------+--------------+-------------|
| \K1 | Break sent to | Break sent | Buffers |
| | remote modem | to remote | cleared, |
| | and buffered | modem and | break sent |
| | cleared. | buffered | to DTE. |
| | | cleared. | |
|---------------+---------------+--------------+-------------|
| \K2 | Online | Send break | Break sent |
| | command mode | to remote | immediately |
| | enabled, send | modem | to DTE. |
| | no break to | immediately. | |
| | remote modem. | | |
|---------------+---------------+--------------+-------------|
| \K3 | Send break to | Send break | Break sent |
| | remote modem | to remote | immediately |
| | immediately. | modem | to DTE. |
| | | immediately. | |
|---------------+---------------+--------------+-------------|
| \K4 | Online | Send break | Break sent |
| | command mode | with | with |
| | enabled, send | transmitted | received |
| | no break to | data. | data to the |
| | remote modem. | | DTE. |
|---------------+---------------+--------------+-------------|
| » \K5 | Send break | Send break | Break sent |
| | with | with | with |
| | transmitted | transmitted | received |
| | data. | data. | data to the |
| | | | DTE. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR MODE |
|------------------------------------------------------------|
| Format | AT [cmds] S201=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS201=32<CR> |
|-----------------+------------------------------------------|
| Default: | 32 |
|-----------------+------------------------------------------|
| Range: | 0 - 63 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls cellular power level and |
| | compromise equalizer. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 4 - 0 | » | Sets initial cellular power level to |
| | 00000 | -26dBm. |
| | 00001 | |
| | 00010 | Sets initial cellular power level to |
| | 00011 | -30dBm. |
| | ... | |
| | 01010 | Sets initial cellular power level to |
| | 01011 | -10dBm. |
| | ... | |
| | 11111 | Sets initial cellular power level to |
| | | -10dBm. |
| | | |
| | | ... |
| | | |
| | | Sets initial cellular power level to |
| | | -10dBm. |
| | | |
| | | Sets initial cellular power level to |
| | | -11dBm. |
| | | |
| | | ... |
| | | |
| | | Sets initial cellular power level to |
| | | -31dBm. |
|-----------+--------+---------------------------------------|
| 5 | 0 » 1 | Compromise equalizer disabled. |
| | | |
| | | Compromise equalizer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Example: | AT Q1 %C0 &P1<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | Data compression enabled. |
|--------------+---------------------------------------------|
| %C2 | V.42bis compression enabled. |
|--------------+---------------------------------------------|
| » %C3 | V.42 and MNP5 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. |
|--------------+---------------------------------------------|
| \N4 | LAPM mode enabled. |
|--------------+---------------------------------------------|
| \N5 | MNP mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY LINE SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L &W<CR> |
|--------------+---------------------------------------------|
| Description: | Displays a value of the received line |
| | signal level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY LINE SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %Q &W<CR> |
|--------------+---------------------------------------------|
| Description: | Displays line signal quality. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION REJECTION |
|------------------------------------------------------------|
| Format | AT [cmds] S36=n [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS36=7<CR> |
|-----------------+------------------------------------------|
| Default: | 7 |
|-----------------+------------------------------------------|
| Range: | 0 - 7 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Configures the modem’s behavior if an |
| | error-correcting connection cannot be |
| | made. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+--------+---------------------------------------|
| 0 - 2 | 000 | Modem disconnects. |
| | 001 | |
| | 011 | Modem attempts direct connection. |
| | 100 | |
| | 101 » | Modem attempts normal connection. |
| | 111 | |
| | | Modem attempts MNP connection. |
| | | |
| | | Modem attempts MNP connection. If it |
| | | fails, modem attempts direct |
| | | connection. |
| | | |
| | | Modem attempts MNP connection. If it |
| | | fails, modem attempts normal |
| | | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Qn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *H0 -Q1 <CR> |
|--------------+---------------------------------------------|
| Description: | Allows MNP10 to fall back to speeds slower |
| | than 4800bps. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -Q0 | MNP10 at 2400 and 1200bps disabled. |
|--------------+---------------------------------------------|
| » -Q1 | MNP10 at 2400 and 1200bps enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP STREAM/BLOCK MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Ln [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \L1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the transfer mode for MNP. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \L0 | Stream mode for MNP enabled. |
|--------------+---------------------------------------------|
| \L1 | Block mode for MNP enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %C1 -K0 <CR> |
|--------------+---------------------------------------------|
| Description: | Selects MNP10 data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -K0 | MNP10 disabled. |
|--------------+---------------------------------------------|
| » -K1 | MNP10 enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 LINK NEGOTIATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *Hn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT *H0 -Q1 <CR> |
|--------------+---------------------------------------------|
| Description: | Sets the speed at which MNP10 link |
| | negotiation will occur. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » *H0 | Link will be negotiated at highest possible |
| | speed. |
|--------------+---------------------------------------------|
| *H1 | Link will be negotiated at 1200bps. |
|--------------+---------------------------------------------|
| *H2 | Link will be negotiated at 4800bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 POWER LEVEL ADJUST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] )Mn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT )M1 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Controls automatic transmit power level |
| | adjustment during MNP 10 link negotiation. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » )M0 | Power level adjustment disabled. |
|--------------+---------------------------------------------|
| )M1 | Power level adjustment enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS16=0<CR> |
|---------------+--------------------------------------------|
| Default: | 0 |
|---------------+--------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODE - PTT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %TTnx [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %TT0A &W<CR> |
|--------------+---------------------------------------------|
| Description: | Send PTT test signals for European line |
| | test. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %TT0 - %TT09 | DTMF dial tone digits 0 to 9. |
|--------------+---------------------------------------------|
| %TT0A | DTMF dial tone digit * |
|--------------+---------------------------------------------|
| %TT0B | DTMF dial tone digit A |
|--------------+---------------------------------------------|
| %TT0C | DTMF dial tone digit B |
|--------------+---------------------------------------------|
| %TT0D | DTMF dial tone digit C |
|--------------+---------------------------------------------|
| %TT0E | DTMF dial tone digit # |
|--------------+---------------------------------------------|
| %TT0F | DTMF dial tone digit D |
|--------------+---------------------------------------------|
| %TT10 | V.21CH1 mark tone. |
|--------------+---------------------------------------------|
| %TT11 | V.21CH2 mark tone. |
|--------------+---------------------------------------------|
| %TT12 | V.23 back channel mark tone. |
|--------------+---------------------------------------------|
| %TT13 | V.23 main channel mark tone. |
|--------------+---------------------------------------------|
| %TT14 | V.22 mark tone at 600bps. |
|--------------+---------------------------------------------|
| %TT15 | V.22 mark tone at 1200bps. |
|--------------+---------------------------------------------|
| %TT16 | V.22bis mark tone at 2400bps. |
|--------------+---------------------------------------------|
| %TT17 | V.22 answer tone, guard tone if PTT |
| | enabled. |
|--------------+---------------------------------------------|
| %TT18 | V.22bis answer tone, guard tone if enabled. |
|--------------+---------------------------------------------|
| %TT19 | V.21CH1 space tone. |
|--------------+---------------------------------------------|
| %TT20 | V.32 tone at 9600bps. |
|--------------+---------------------------------------------|
| %TT21 | V.32bis tone at 14.4Kbps |
|--------------+---------------------------------------------|
| %TT22 | V.17 tone at 14.4Kbps |
|--------------+---------------------------------------------|
| %TT1A | V.21CH2 space tone. |
|--------------+---------------------------------------------|
| %TT1B | V.23 back channel space tone. |
|--------------+---------------------------------------------|
| %TT1C | V.23 main channel space tone. |
|--------------+---------------------------------------------|
| %TT1D | V.27ter carrier tone. |
|--------------+---------------------------------------------|
| %TT1E | V.29 carrier tone. |
|--------------+---------------------------------------------|
| %TT30 | On-line Silence; initiate hang up. |
|--------------+---------------------------------------------|
| %TT31 | V.25 answer tone. |
|--------------+---------------------------------------------|
| %TT32 | 1800 Hz guard tone. |
|--------------+---------------------------------------------|
| %TT33 | V.25 calling tone at 1300 Hz. |
|--------------+---------------------------------------------|
| %TT34 | 1100 Hz Fax calling tone. |
|--------------+---------------------------------------------|
| %TT40 | V.21CH2 tone. |
|--------------+---------------------------------------------|
| %TT50 | V.34 tone at 14.4Kbps. |
|--------------+---------------------------------------------|
| %TT51 | V.34 tone at 16.8Kbps. |
|--------------+---------------------------------------------|
| %TT52 | V.34 tone at 19.2Kbps. |
|--------------+---------------------------------------------|
| %TT53 | V.34 tone at 21.6Kbps. |
|--------------+---------------------------------------------|
| %TT54 | V.34 tone at 24Kbps. |
|--------------+---------------------------------------------|
| %TT55 | V.34 tone at 26.4Kbps. |
|--------------+---------------------------------------------|
| %TT56 | V.34 tone at 28.8Kbps. |
+------------------------------------------------------------+
Proprietary V.25bis Command Set
+------------------------------------------------------------+
| CALL REQUESTED NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | CRI<#>;xxxx |
|--------------+---------------------------------------------|
| Example: | CRI1-303 555-1212;fubar<CR> |
|--------------+---------------------------------------------|
| Description: | Same as CRN. Dials the number given. It |
| | will ignore spaces and hyphens in the |
| | string. If the string is more than fifty |
| | characters long, a result of INV will be |
| | returned and the identification string xxxx |
| | will be ignored. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REQUEST LISTED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | RLN |
|--------------+---------------------------------------------|
| Example: | RLN<CR> |
|--------------+---------------------------------------------|
| Description: | Requests the modem to return the list of |
| | stored numbers. If no numbers are stored, |
| | the modem will return LSN. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL CONFIGURATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | CNLx [cmds] |
|--------------+---------------------------------------------|
| Example: | CNL &V0<CR> |
|--------------+---------------------------------------------|
| Description: | Executes AT command x. |