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# SIMPLE TECHNOLOGY, INC.
PCMCIA DATA/FAX MODEM CARD
Modem Type Data (asynchronous)/Fax
Maximum Data Rate 14.4Kbps
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.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
V1478
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? [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS14?<CR> |
|-----------------+------------------------------------------|
| Default: | Read only |
|-----------------+------------------------------------------|
| Range: | 0-174 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls echo, result codes, result code |
| | display, dial mode, and answer/originate |
| | mode. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|----------+------------+------------------------------------|
| 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 | Not used. |
|----------+------------+------------------------------------|
| 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? [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS21?<CR> |
|----------------+-------------------------------------------|
| Default: | Read only |
|----------------+-------------------------------------------|
| Range: | 0 - 124 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Selects CTS signal, low DTR action, DCD |
| | signal, DSR signal, and the Long Space |
| | Disconnect function. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|----------+-------+-----------------------------------------|
| 1, 0 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 2 | 0 | CTS forced high. |
| | | |
| | » 1 | CTS follows RTS. |
|----------+-------+-----------------------------------------|
| 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? [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS22?<CR> |
|----------------+-------------------------------------------|
| Default: | Read only |
|----------------+-------------------------------------------|
| Range: | 0-127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls speaker volume and controls, and |
| | limits results codes. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+-------+----------------------------------------|
| 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 | |
| | | All results codes except dialtone |
| | 110 | detection enabled. |
| | | |
| | » 111 | Basic and connection speed result |
| | | codes and dialtone detection enabled. |
| | | |
| | | All result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23? [cmds] |
|------------------+-----------------------------------------|
| Example: | ATS23?<CR> |
|------------------+-----------------------------------------|
| Default: | Read only |
|------------------+-----------------------------------------|
| Range: | 0-255 |
|------------------+-----------------------------------------|
| Unit: | Bit-mapped |
|------------------+-----------------------------------------|
| Description: | Grants/denies remote digital loopback, |
| | controls DTE rate and parity, and sets |
| | guard tone. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------+--------+--------------------------------------|
| 0 | 0 | Remote digital loopback denied. |
| | | |
| | » 1 | Remote digital loopback allowed. |
|------------+--------+--------------------------------------|
| 3, 2, 1 | 000 | Sets serial port speed to 0-300bps. |
| | | |
| | 001 | Sets serial port speed to 600bps. |
| | | |
| | 010 | Sets serial port speed to 1200bps. |
| | | |
| | » 011 | Sets serial port speed to 2400bps. |
| | | |
| | 100 | Sets serial port speed to 4800bps. |
| | | |
| | 101 | Sets serial port speed to 9600bps. |
| | | |
| | 110 | Sets serial port speed to 19200bps. |
|------------+--------+--------------------------------------|
| 5,4 | 00 | Parity even. |
| | | |
| | 01 | Not used. |
| | | |
| | 10 | Parity odd. |
| | | |
| | » 11 | No Parity. |
|------------+--------+--------------------------------------|
| 7, 6 | » 00 | Guard tone disabled. |
| | | |
| | 01 | Guard tone disabled. |
| | | |
| | 10 | Guard tone 1800Hz enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27? [cmds] |
|-------------------+----------------------------------------|
| Example: | AT S27?<CR> |
|-------------------+----------------------------------------|
| Default: | Read only |
|-------------------+----------------------------------------|
| Range: | 0 - 127 |
|-------------------+----------------------------------------|
| Unit: | Bit-mapped |
|-------------------+----------------------------------------|
| Description: | Selects async mode, and ITU-T/Bell |
| | modes. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|------------+------------+----------------------------------|
| 3, 1, 0 | 00 » 01 | Direct asynchronous mode. |
| | | |
| | 10 | Reliable asynchronous mode. |
| | | |
| | | Normal Asynchronous mode. |
|------------+------------+----------------------------------|
| 5, 4, 2 | 0 | Not used. |
|------------+------------+----------------------------------|
| 6 | 0 | CCITT mode. |
| | | |
| | » 1 | Bell mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format | AT [cmds] S28? [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S28?<CR> |
|-----------------+------------------------------------------|
| Default: | Read only |
|-----------------+------------------------------------------|
| Range: | 0 - 192 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls MNP10 link negotiation. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+-------+----------------------------------------|
| 5 - 0 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 7, 6 | » 00 | Link will be negotiated at highest |
| | | possible speed. |
| | 01 | |
| | | Link will be negotiated at 1200bps. |
| | 11 | |
| | | Link will be negotiated at 4800bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S31 |
|------------------------------------------------------------|
| Format | AT [cmds] S31? [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS31?<CR> |
|-----------------+------------------------------------------|
| Default: | Read only |
|-----------------+------------------------------------------|
| Range: | 0-15 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls auto-baud function and result |
| | codes. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+-------+----------------------------------------|
| 0 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 1 | 0 | Auto-baud disabled. |
| | | |
| | » 1 | Auto-baud enabled. |
|-----------+-------+----------------------------------------|
| 3, 2 | » 00 | DTE speed displayed in result codes. |
| | | |
| | 01 | Extended result codes enabled; DCE |
| | | speed displayed in result codes. |
| | 10 | |
| | | DCE speed displayed in result codes. |
|-----------+-------+----------------------------------------|
| 5 - 4 | 0 | Not used. |
|-----------+-------+----------------------------------------|
| 7 - 6 | » 11 | Not used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format | AT [cmds] S40? [cmds] |
|-----------------+------------------------------------------|
| Example: | AT S40?<CR> |
|-----------------+------------------------------------------|
| Default: | Read only |
|-----------------+------------------------------------------|
| Range: | 0 - 65 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Controls MNP10 data compression, power |
| | level adjustment, break type, and MNP |
| | block size. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+--------+---------------------------------------|
| 1, 0 | 00 | MNP10 disabled. |
| | | |
| | » 01 | MNP10 enabled. |
| | | |
| | 10 | MNP10 enabled, except during V.42 |
| | | answer detection. |
|-----------+--------+---------------------------------------|
| 2 | » 0 | Power level adjustment disabled. |
| | | |
| | 1 | Power level adjustment enabled. |
|-----------+--------+---------------------------------------|
| 5 - 3 | 000 | Displays \K0. |
| | | |
| | 001 | Displays \K1. |
| | | |
| | 010 | Displays \K2. |
| | | |
| | 011 | Displays \K3. |
| | | |
| | 100 | Displays \K4. |
| | | |
| | » 101 | Displays \K5. |
|-----------+--------+---------------------------------------|
| 6, 7 | 00 | MNP block size is 64 characters. |
| | | |
| | » 01 | MNP block size is 128 characters. |
| | | |
| | 10 | MNP block size is 192 characters. |
| | | |
| | 11 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format | AT [cmds] S41? [cmds] |
|-----------------+------------------------------------------|
| Example: | ATS41?<CR> |
|-----------------+------------------------------------------|
| Default: | Read only |
|-----------------+------------------------------------------|
| Range: | 0 - 255 |
|-----------------+------------------------------------------|
| Unit: | Bit-mapped |
|-----------------+------------------------------------------|
| Description: | Selects compression, auto-retrain, flow |
| | control, and MNP mode. |
|------------------------------------------------------------|
| Bit | Value | Meaning |
|-----------+--------+---------------------------------------|
| 1, 0 | 00 | Data compression disabled. |
| | | |
| | 01 | MNP5 enabled. |
| | | |
| | 10 | V.42bis enabled. |
| | | |
| | » 11 | MNP5 and V.42bis enabled. |
|-----------+--------+---------------------------------------|
| 6, 2 | » 00 | Auto-retrain disabled. |
| | | |
| | 01 | Auto-retrain enabled. |
| | | |
| | 10 | Fallback/fall forward enabled. |
|-----------+--------+---------------------------------------|
| 3 | » 0 | Flow control disabled. |
| | | |
| | 1 | Flow control enabled. |
|-----------+--------+---------------------------------------|
| 4 | » 0 | Stream mode for MNP. |
| | | |
| | 1 | Block mode for MNP. |
|-----------+--------+---------------------------------------|
| 5 | 0 | Not used. |
|-----------+--------+---------------------------------------|
| 7 | 0 | MNP10 at 2400 and 1200bps disabled. |
| | | |
| | » 1 | MNP10 at 2400 and 1200bps enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 \K1 <CR> |
|--------------+---------------------------------------------|
| Description: | Configures action of break signal. |
|------------------------------------------------------------|
| Command | Break from | Modem | Break from |
| | DTE | receives \B | remote modem |
|---------------+--------------+--------------+--------------|
| \K0 | Enter | Buffers | Buffers |
| | command | cleared and | cleared and |
| | mode, do not | break sent | break sent |
| | send break | to remote | to DTE. |
| | to remote | modem. | |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| \K1 | Buffers | Buffers | Buffers |
| | cleared and | cleared and | cleared and |
| | break sent | break sent | break sent |
| | to remote | to remote | to DTE. |
| | modem. | modem. | |
|---------------+--------------+--------------+--------------|
| \K2 | Enter | Send break | Send break |
| | command | to remote | to DTE |
| | mode, do not | modem | immediately. |
| | send break | immediately. | |
| | to remote | | |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| \K3 | Send break | Send break | Send break |
| | to remote | to remote | to DTE |
| | modem | modem | immediately. |
| | immediately. | immediately. | |
|---------------+--------------+--------------+--------------|
| \K4 | Enter | Send break | Break sent |
| | command | to remote | with |
| | mode, do not | modem with | received |
| | send break | transmitted | data to the |
| | to remote | data. | DTE. |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| » \K5 | Send break | Send break | Break sent |
| | with | to remote | with |
| | transmitted | modem with | received |
| | data. | transmitted | data to the |
| | | data. | DTE. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] @Mn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT @M26 &W<CR> |
|--------------+---------------------------------------------|
| Default: | 26 |
|--------------+---------------------------------------------|
| Range: | 10-31 |
|--------------+---------------------------------------------|
| Unit: | -1dBm. |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission when |
| | in leased line mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| @M0 | -26dBm. |
|--------------+---------------------------------------------|
| @M1 | -30dBm. |
|--------------+---------------------------------------------|
| @M2-@M10 | -10dBm. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Format | AT [cmds] S201=n [cmds] |
|------------------+-----------------------------------------|
| Example: | AT S201=58 &W<CR> |
|------------------+-----------------------------------------|
| Default: | 58 |
|------------------+-----------------------------------------|
| Range: | 0-255 |
|------------------+-----------------------------------------|
| Unit: | ASCII decimal |
|------------------+-----------------------------------------|
| Description: | Sets the signal level for transmission |
| | when in leased line mode. |
|------------------------------------------------------------|
| Bit | Value | Equiv. | Function |
|-----+-------+-----------+----------------------------------|
| 4 - | 00000 | @M0 | Sets leased line transmit |
| 0 | | | attenuation level to -26dBm. |
| | ... | ... | |
| | | | ... |
| | » | @M26 | |
| | 11010 | | Sets leased line transmit |
| | | ... | attenuation level to -10dBm. |
| | 11111 | | |
| | | @M31 | ... |
| | | | |
| | | | Sets leased line transmit |
| | | | attenuation level to -31dBm. |
|-----+-------+-----------+----------------------------------|
| 5 | » 0 | | Equalizer disabled. |
| | | | |
| | 1 | | Equalizer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Example: | AT *EC0 %C1 *AP0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled. |
|--------------+---------------------------------------------|
| %C2 | V.42bis enabled. |
|--------------+---------------------------------------------|
| » %C3 | Both MNP5 and V.42 enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPROMISE EQUALIZER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] :En [cmds] |
|--------------+---------------------------------------------|
| Example: | AT :E &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls V.32 compromise equalizer. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| :E0 | Equalizer disabled. |
|--------------+---------------------------------------------|
| » :E1 | Equalizer enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled. |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled. |
|--------------+---------------------------------------------|
| » \N3 | Auto-reliable mode enabled. |
|--------------+---------------------------------------------|
| \N4 | LAPM mode enabled. |
|--------------+---------------------------------------------|
| \N5 | MNP mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE SPEED OPTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \J0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the speed of the DTE. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » \J0 | DCE and DTE rates are independent. |
|--------------+---------------------------------------------|
| \J1 | DTE rate adjusts to DCE rate after |
| | connection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH DIAL MODIFIER TIME |
|------------------------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS29=70<CR> |
|--------------+---------------------------------------------|
| Default: | 70 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | .01 second |
|--------------+---------------------------------------------|
| Description: | Time the modem will go on-hook upon |
| | receiving the ! dial modifier in dial |
| | string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS33=20<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS32=20<CR> |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %L [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %L &W<CR> |
|--------------+---------------------------------------------|
| Description: | Returns recieved line signal level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SIGNAL QUALITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Q [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %Q<CR> |
|--------------+---------------------------------------------|
| Description: | Displays line signal quality. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| » \A1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| \A3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
|--------------+---------------------------------------------|
| \L2 | Block mode for MNP enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT %C1 -K1 -Q0 <CR> |
|--------------+---------------------------------------------|
| Description: | Selects MNP10 data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -K0 | MNP10 disabled. |
|--------------+---------------------------------------------|
| » -K1 | MNP10 enabled. |
|--------------+---------------------------------------------|
| -K2 | MNP10 enabled, except during V.42answer |
| | detection. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 FALL-BACK |
|------------------------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Fn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT F0 A<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the current protocol and speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » F0 | Auto-select fastest common protocol. |
|--------------+---------------------------------------------|
| F1 | V.21/Bell 103A 300bps. |
|--------------+---------------------------------------------|
| F3 | V.23 1200/75bps. |
|--------------+---------------------------------------------|
| F4 | V.22/Bell 212A 1200bps. |
|--------------+---------------------------------------------|
| F5 | V.22bis. |
|--------------+---------------------------------------------|
| F6 | V.32bis/V.32 4800bps. |
|--------------+---------------------------------------------|
| F7 | V.32bis 7200bps. |
|--------------+---------------------------------------------|
| F8 | V.32 9600bps |
|--------------+---------------------------------------------|
| F9 | V.32bis 12Kbps |
|--------------+---------------------------------------------|
| F10 | V.32bis 14.4Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Example: | AT I1 O<CR> |
|--------------+---------------------------------------------|
| Description: | Displays modem properties. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code. |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum result. |
|--------------+---------------------------------------------|
| I2 | Test ROM. Reports OK or Error. |
|--------------+---------------------------------------------|
| I3 | Reports ROM revision level. |
|--------------+---------------------------------------------|
| I4 | Reports modem identifier string. |
|--------------+---------------------------------------------|
| I5 | Reports country code. |
|--------------+---------------------------------------------|
| I6 | Reports data pump model. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Format | AT [cmds] S24=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS24=32<CR> |
|--------------+---------------------------------------------|
| Default: | 32 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. S24=0 will disable timer. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S16? [cmds] |
|---------------+--------------------------------------------|
| Example: | ATS16?<CR> |
|---------------+--------------------------------------------|
| Default: | Read only |
|---------------+--------------------------------------------|
| 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. |