(TXT) View Source
# MOTOROLA, INC.
V.34R
Card Type Modem (synchronous/asynchronous)
Chip Set Motorola
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus Serial
Fax Class Class I
Data Modulation Bell 103A, 212A
Protocol
ITU-T V.17, V.21, V.22, V.22bis,
V.27bis, V.29, V.32, V.32bis, V.33,
V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+-------+------------------------+-------|
| AC power in | CN1 | Line in | CN4 |
|-------------------+-------+------------------------+-------|
| Serial port | CN2 | Power switch | SW1 |
|-------------------+-------+------------------------+-------|
| Line out | CN3 | Talk/Data button | SW2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| CD | Red | On | Carrier signal detected or error |
| | | | correction negotiation completed |
|-----+-------+--------+-------------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-----+-------+--------+-------------------------------------|
| TD | Red | On | Modem is transmitting data |
|-----+-------+--------+-------------------------------------|
| TD | Red | Off | Modem is not transmitting data |
|-----+-------+--------+-------------------------------------|
| RD | Red | On | Modem is receiving data |
|-----+-------+--------+-------------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-----+-------+--------+-------------------------------------|
| TR | Red | On | DTR signal is high |
|-----+-------+--------+-------------------------------------|
| TR | Red | Off | DTR signal is low |
|-----+-------+--------+-------------------------------------|
| CS | Red | On | CTS signal is high |
|-----+-------+--------+-------------------------------------|
| CS | Red | Off | CTS signal is low |
|-----+-------+--------+-------------------------------------|
| RS | Red | On | RTS signal is high |
|-----+-------+--------+-------------------------------------|
| RS | Red | Off | RTS signal is low |
|------------------------------------------------------------|
| Note: The function of the TALK LED is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, D, E, L, M, O, Q, V, W, X, Y, Z |
|------------------------------------------------------------|
| &D, &F, &G, &P, &V, &W, &X, &Y |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \V |
|------------------------------------------------------------|
| %E |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S22, S23, S25, S26 |
|------------------------------------------------------------|
| V.25bis Commands |
|------------------------------------------------------------|
| The V.25bis command set is unidentified. |
|------------------------------------------------------------|
| Note: See MHI documentation for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-ANSWER OVERRIDE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *IC [cmds] |
|--------------+---------------------------------------------|
| Description: | Instructs the modem to ignore the incoming |
| | call, if the modem is set to automatically |
| | answer. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-DIAL STORED NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *AUn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the auto-dialing function to dial the |
| | number stored in memory location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S64=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 13 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character. S64=0 |
| | will disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 132 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Description: | Controls low DTR action, DCD signal, and |
| | the Long Space Disconnect function. |
|--------------+---------------------------------------------|
| Note: | Be aware that the bits are out of order. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 6, 0 | í 00 | DSR forced high. |
| | | |
| | 01 | DSR normal, except forced low on |
| | | disconnect. |
| | 10 | |
| | | DSR normal. |
| | 11 | |
| | | DSR follows OH. |
|------+-------+---------------------------------------------|
| 5, 1 | í 00 | CD forced high. |
| | | |
| | 01 | CD forced high except during disconnect. |
| | | |
| | 10 | CD normal. |
| | | |
| | 11 | CD follows remote RTS signal. |
|------+-------+---------------------------------------------|
| 2 | 0 | CTS normal. |
| | | |
| | í 1 | CTS forced high. |
|------+-------+---------------------------------------------|
| 4, 3 | í 00 | DTR signal ignored. |
| | | |
| | 01 | Modem goes to command mode on low DTR. |
| | | |
| | 10 | Modem disconnects on low DTR. |
| | | |
| | 11 | Modem resets on low DTR. |
|------+-------+---------------------------------------------|
| 7 | 0 | Long Space Disconnect function disabled. |
| | | |
| | í 1 | Long Space Disconnect function enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 9 |
|--------------+---------------------------------------------|
| Range: | 0 - 127 |
|--------------+---------------------------------------------|
| Description: | Selects sync/async mode, line type, clock |
| | source, and ITU-T/Bell modes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Asynchronous command and data modes. |
| | | |
| | 01 | Asynchronous command, synchronous connect |
| | | mode. |
| | í 10 | |
| | | DTR dialing enabled, synchronous connect |
| | 11 | mode. |
| | | |
| | | Manual dialing only, synchronous connect |
| | | mode. |
|------+-------+---------------------------------------------|
| 2 | í 0 | Switched line. |
| | | |
| | 1 | Leased line. |
|------+-------+---------------------------------------------|
| 3 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 5, 4 | í 00 | Internal DTE transmit clock source. |
| | | |
| | 01 | External DTE transmit clock source. |
| | | |
| | 10 | Slave DTE transmit clock source. |
|------+-------+---------------------------------------------|
| 6 | í 0 | DTR dialing enabled. |
| | | |
| | 1 | DTR dialing disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S29 |
|------------------------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 135 |
|--------------+---------------------------------------------|
| Description: | Controls command set, option retaining, |
| | V.32 fast handshaking, and DTE fallback. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | AT command set enabled. |
| | | |
| | 1 | AT command set disabled. |
|------+-------+---------------------------------------------|
| 1 | í 0 | Modem will not reset on disconnect. |
| | | |
| | 1 | Modem will reset on disconnect. |
|------+-------+---------------------------------------------|
| 2 | í 0 | Normal V.32 handshake sequence. |
| | | |
| | 1 | Training time is shortened by 2 seconds in |
| | | V.32 and V.32bis modes. |
|------+-------+---------------------------------------------|
| 6 - | 0000 | Not used. |
| 3 | | |
|------+-------+---------------------------------------------|
| 7 | í 0 | DTR dialing enabled. |
| | | |
| | 1 | DTR dialing disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S57 |
|------------------------------------------------------------|
| Format: | AT [cmds] S57=n [cmds] |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 33 |
|----------------+-------------------------------------------|
| Description: | Controls result code format and busy out. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | í 0 | Result code 15 is CONNECT 4800 and code |
| | | 18 is CONNECT 9600 (standard). |
| | 1 | |
| | | Result code 11 is CONNECT 4800 and code |
| | | 12 is CONNECT 9600 (Motorola). |
|------------------------------------------------------------|
| 4 - 1 | 0000 | Not used. |
|-------------+------+---------------------------------------|
| 5 | í 0 | Busy out during local analog loopback |
| | | test disabled. |
| | 1 | |
| | | Busy out during local analog loopback |
| | | test enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S60 |
|------------------------------------------------------------|
| Format | AT [cmds] S60=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 67 |
|--------------+---------------------------------------------|
| Range: | 0 - 199 |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain, MNP, auto-reliable |
| | time buffering, RI signal, and extended |
| | result codes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Auto-retrain disabled. |
| | | |
| | í 1 | Auto-retrain enabled. |
|------+-------+---------------------------------------------|
| 1 | 0 | MNP disabled. |
| | | |
| | í 1 | MNP enabled. |
|------+-------+---------------------------------------------|
| 2 | í 0 | Data is discarded during auto-reliable |
| | | time. |
| | 1 | |
| | | Data is buffered during auto-reliable time. |
|------+-------+---------------------------------------------|
| 5 - | 000 | Not used. |
| 3 | | |
|------+-------+---------------------------------------------|
| 6 | 0 | RI signal high during rings, and forced |
| | | high for duration of call. |
| | í 1 | |
| | | RI signal high during rings only. |
|------+-------+---------------------------------------------|
| 7 | í 0 | Extended result codes disabled. |
| | | |
| | 1 | Extended result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S70 |
|------------------------------------------------------------|
| Format | AT [cmds] S70=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 0 - 15 |
|--------------+---------------------------------------------|
| Description: | Controls connect mode and V.42 negotiation |
| | mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 2, | 000 | Normal mode enabled. |
| 1, 0 | | |
| | 001 | Direct mode enabled. |
| | | |
| | 010 | MNP mode only enabled. |
| | | |
| | 011 | MNP mode with fallback to normal mode |
| | | enabled. |
| | 100 | |
| | | LAP-M mode only enabled. |
| | 101 | |
| | | LAP-M mode with fallback to normal mode |
| | 110 | enabled. |
| | | |
| | í 111 | LAP-M mode with fallback to MNP enabled. |
| | | |
| | | LAP-M mode with fallback to MNP and normal |
| | | modes enabled. |
|------+-------+---------------------------------------------|
| 3 | 0 | Normal V.42 handshaking enabled. |
| | | |
| | í 1 | Fast V.42 handshaking enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S72 |
|------------------------------------------------------------|
| Format | AT [cmds] S72=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 137 |
|--------------+---------------------------------------------|
| Description: | Controls serial port lock, CTS signal, and |
| | auto-callback function. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Serial speed locked. |
| | | |
| | 1 | Serial speed follows connect speed. |
|------+-------+---------------------------------------------|
| 2, 1 | 00 | Not used. |
|------+-------+---------------------------------------------|
| 3 | í 0 | CTS normal. |
| | | |
| | 1 | CTS follows CD. |
|------+-------+---------------------------------------------|
| 6 - | 000 | Not used. |
| 4 | | |
|------+-------+---------------------------------------------|
| 7 | í 0 | Auto-callback disabled. |
| | | |
| | 1 | Auto-callback enabled. The modem, upon |
| | | detecting an incoming call, will dial the |
| | | default number and connect with it instead |
| | | of the incoming call. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK LENGTH |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S79=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 35 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 20 ms |
|--------------+---------------------------------------------|
| Description: | Sets the length of breaks sent from DCE to |
| | DTE. |
+------------------------------------------------------------+
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Configuration |
|------------------+---------------------------------------------|
|Format: |AT [cmds] \Kn [cmds] |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal. |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | | DTE |receives \B |remote modem|
| |Reliable/Normal| | | |
| | mode |Direct mode | | |
|---------+---------------+------------+------------+------------|
| \K0 |Enter command |Send break |Buffers |Buffers |
| |mode, do not |to remote |cleared and |cleared and |
| |send break to |modem |break sent |break sent |
| |remote modem. |immediately,|to remote |to DTE. |
| | |then enter |modem. | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| \K1 |Buffers cleared|Send break |Buffers |Buffers |
| |and break sent |to remote |cleared and |cleared and |
| |to remote |modem |break sent |break sent |
| |modem. |immediately.|to remote |to DTE. |
| | | |modem. | |
|---------+---------------+------------+------------+------------|
| \K2 |Enter command |Send break |Send break |Send break |
| |mode, do not |to remote |to remote |to DTE |
| |send break to |modem |modem |immediately.|
| |remote modem. |immediately,|immediately.| |
| | |then enter | | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| \K3 |Send break to |Send break |Send break |Send break |
| |remote modem |to remote |to remote |to DTE |
| |immediately. |modem |modem |immediately.|
| | |immediately.|immediately.| |
|---------+---------------+------------+------------+------------|
| \K4 |Enter command |Send break |Send break |Break sent |
| |mode, do not |to remote |to remote |with |
| |send break to |modem |modem with |received |
| |remote modem. |immediately,|transmitted |data to the |
| | |then enter |data. |DTE. |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| í \K5 |Send break with|Send break |Send break |Break sent |
| |transmitted |to remote |to remote |with |
| |data. |modem |modem with |received |
| | |immediately.|transmitted |data to the |
| | | |data. |DTE. |
+----------------------------------------------------------------+
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Register |
|------------------+---------------------------------------------|
|Format: |AT [cmds] S59=n [cmds] |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal. |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | | DTE |receives \B |remote modem|
| |Reliable/Normal| | | |
| | mode |Direct mode | | |
|---------+---------------+------------+------------+------------|
| S59=0 |Enter command |Send break |Buffers |Buffers |
| |mode, do not |to remote |cleared and |cleared and |
| |send break to |modem |break sent |break sent |
| |remote modem. |immediately,|to remote |to DTE. |
| | |then enter |modem. | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| S59=1 |Buffers cleared|Send break |Buffers |Buffers |
| |and break sent |to remote |cleared and |cleared and |
| |to remote |modem |break sent |break sent |
| |modem. |immediately.|to remote |to DTE. |
| | | |modem. | |
|---------+---------------+------------+------------+------------|
| S59=2 |Enter command |Send break |Send break |Send break |
| |mode, do not |to remote |to remote |to DTE |
| |send break to |modem |modem |immediately.|
| |remote modem. |immediately,|immediately.| |
| | |then enter | | |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| S59=3 |Send break to |Send break |Send break |Send break |
| |remote modem |to remote |to remote |to DTE |
| |immediately. |modem |modem |immediately.|
| | |immediately.|immediately.| |
|---------+---------------+------------+------------+------------|
| S59=4 |Enter command |Send break |Send break |Break sent |
| |mode, do not |to remote |to remote |with |
| |send break to |modem |modem with |received |
| |remote modem. |immediately,|transmitted |data to the |
| | |then enter |data. |DTE. |
| | |command | | |
| | |mode. | | |
|---------+---------------+------------+------------+------------|
| í S59=5 |Send break with|Send break |Send break |Break sent |
| |transmitted |to remote |to remote |with |
| |data. |modem |modem with |received |
| | |immediately.|transmitted |data to the |
| | | |data. |DTE. |
+----------------------------------------------------------------+
+------------------------------------------------------------+
| CHARACTER LENGTH AND PARITY |
|------------------------------------------------------------|
| Format | AT [cmds] S61? [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Range: | 0 - 56 |
|--------------+---------------------------------------------|
| Description: | Reports current character length and |
| | parity. |
|--------------+---------------------------------------------|
| Bit | Value | Meaning |
|------+-------+---------------------------------------------|
| 2 - | 000 | Not used. |
| 0 | | |
|------+-------+---------------------------------------------|
| 3 | 0 | 7 bit character length set. |
| | | |
| | 1 | 8 bit character length set. |
|------+-------+---------------------------------------------|
| 5, 4 | 00 | MARK parity. |
| | | |
| | 01 | No parity. |
| | | |
| | 10 | Odd parity. |
| | | |
| | 11 | Even parity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *NTn [cmds] |
|--------------+---------------------------------------------|
| Description: | Disables the AT command set. |
|--------------+---------------------------------------------|
| Note: | To re-enable the command set, cycle power |
| | on the modem or hold the Talk/Data switch |
| | in for at least five seconds. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *NT0 | Command set disabled. |
|--------------+---------------------------------------------|
| í *NT1 | Command set enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the active communications mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &M0 | Asynchronous command and data modes. |
|--------------+---------------------------------------------|
| &M1 | Asynchronous command and synchronous |
| | connect mode. |
|--------------+---------------------------------------------|
| &M2 | DTR dialing enabled and synchronous connect |
| | mode. |
|--------------+---------------------------------------------|
| &M3 | Manual dialing only and synchronous connect |
| | mode. |
|--------------+---------------------------------------------|
| &M4 | V.25bis BISYNC command and synchronous |
| | connect mode. |
|--------------+---------------------------------------------|
| &M5 | V.25bis SDLC command and synchronous |
| | connect mode. |
|--------------+---------------------------------------------|
| &M6 | V.25bis asynchronous command and |
| | synchronous connect mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT S56=n |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S56=0 | Data compression disabled. |
|--------------+---------------------------------------------|
| S56=1 | Data compression enabled on transmit only. |
|--------------+---------------------------------------------|
| Í S56=2 | Data compression enabled on receive only. |
|--------------+---------------------------------------------|
| í S56=3 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION AND ERROR CORRECTION - CURRENT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S71? [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Description: | Reports current compression and error |
| | correction protocols. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | No compression or error correction |
| | protocols active. |
|--------------+---------------------------------------------|
| 1 | Negotiation in progress. |
|--------------+---------------------------------------------|
| 2 | MNP2 active. |
|--------------+---------------------------------------------|
| 3 | MNP3 active. |
|--------------+---------------------------------------------|
| 4 | MNP4 active. |
|--------------+---------------------------------------------|
| 5 | MNP5 active. |
|--------------+---------------------------------------------|
| 6 | V.42 active. |
|--------------+---------------------------------------------|
| 7 | V.42bis active. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED - CURRENT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S67? [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Description: | Reports current connection speed. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 1 | 300bps current speed. |
|--------------+---------------------------------------------|
| 3 | 1200bps current speed. |
|--------------+---------------------------------------------|
| 4 | 2400bps current speed. |
|--------------+---------------------------------------------|
| 5 | 4800bps current speed. |
|--------------+---------------------------------------------|
| 6 | 7200bps current speed. |
|--------------+---------------------------------------------|
| 7 | 9600bps uncoded current speed. |
|--------------+---------------------------------------------|
| 8 | 9600bps current speed. |
|--------------+---------------------------------------------|
| 9 | 12Kbps current speed. |
|--------------+---------------------------------------------|
| 10 | 14.4Kbps current speed. |
|--------------+---------------------------------------------|
| 11 | 16.8Kbps current speed. |
|--------------+---------------------------------------------|
| 12 | 19.2Kbps current speed. |
|--------------+---------------------------------------------|
| 13 | 21.6Kbps current speed. |
|--------------+---------------------------------------------|
| 14 | 24Kbps current speed. |
|--------------+---------------------------------------------|
| 15 | 26.4Kbps current speed. |
|--------------+---------------------------------------------|
| 16 | 28.8Kbps current speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED LOWER LIMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets slowest allowed connection speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %L0 | No minimum speed. |
|--------------+---------------------------------------------|
| í %L1 | No minimum speed. |
|--------------+---------------------------------------------|
| %L2 | Select 1200bps minimum speed. |
|--------------+---------------------------------------------|
| %L3 | Select 2400bps minimum speed. |
|--------------+---------------------------------------------|
| %L4 | Select 4800bps minimum speed. |
|--------------+---------------------------------------------|
| %L5 | Select 9600bps uncoded minimum speed. |
|--------------+---------------------------------------------|
| %L6 | Select 9600bps minimum speed. |
|--------------+---------------------------------------------|
| %L7 | Select 7200bps minimum speed. |
|--------------+---------------------------------------------|
| %L8 | Select 12Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L9 | Select 14.4Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L11 | Select 16.8Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L12 | Select 19.2Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L13 | Select 21.6Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L14 | Select 24Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L15 | Select 26.4Kbps minimum speed. |
|--------------+---------------------------------------------|
| %L16 | Select 28.8Kbps minimum speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED LOWER LIMIT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S81=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets slowest allowed connection speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S81=0 | No minimum speed. |
|--------------+---------------------------------------------|
| í S81=1 | No minimum speed. |
|--------------+---------------------------------------------|
| S81=2 | Select 1200bps minimum speed. |
|--------------+---------------------------------------------|
| S81=3 | Select 2400bps minimum speed. |
|--------------+---------------------------------------------|
| S81=4 | Select 4800bps minimum speed. |
|--------------+---------------------------------------------|
| S81=5 | Select 9600bps uncoded minimum speed. |
|--------------+---------------------------------------------|
| S81=6 | Select 9600bps minimum speed. |
|--------------+---------------------------------------------|
| S81=7 | Select 7200bps minimum speed. |
|--------------+---------------------------------------------|
| S81=8 | Select 12Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=9 | Select 14.4Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=11 | Select 16.8Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=12 | Select 19.2Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=13 | Select 21.6Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=14 | Select 24Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=15 | Select 26.4Kbps minimum speed. |
|--------------+---------------------------------------------|
| S81=16 | Select 28.8Kbps minimum speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED UPPER LIMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets fastest allowed connection speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %B0 | Follow serial port speed. |
|--------------+---------------------------------------------|
| %B1 | Select 300bps maximum speed. |
|--------------+---------------------------------------------|
| %B2 | Select 1200bps maximum speed. |
|--------------+---------------------------------------------|
| %B3 | Select 2400bps maximum speed. |
|--------------+---------------------------------------------|
| %B4 | Select 4800bps maximum speed. |
|--------------+---------------------------------------------|
| %B5 | Select 9600bps uncoded maximum speed. |
|--------------+---------------------------------------------|
| %B6 | Select 9600bps maximum speed. |
|--------------+---------------------------------------------|
| %B7 | Select 7200bps maximum speed. |
|--------------+---------------------------------------------|
| %B8 | Select 12Kbps maximum speed. |
|--------------+---------------------------------------------|
| í %B9 | Select 14.4Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B11 | Select 16.8Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B12 | Select 19.2Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B13 | Select 21.6Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B14 | Select 24Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B15 | Select 26.4Kbps maximum speed. |
|--------------+---------------------------------------------|
| %B16 | Select 28.8Kbps maximum speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTION SPEED UPPER LIMIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S69=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets fastest allowed connection speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S69=0 | Follow serial port speed. |
|--------------+---------------------------------------------|
| S69=1 | Select 300bps maximum speed. |
|--------------+---------------------------------------------|
| S69=3 | Select 1200bps maximum speed. |
|--------------+---------------------------------------------|
| S69=4 | Select 2400bps maximum speed. |
|--------------+---------------------------------------------|
| S69=5 | Select 4800bps maximum speed. |
|--------------+---------------------------------------------|
| S69=6 | Select 7200bps maximum speed. |
|--------------+---------------------------------------------|
| S69=7 | Select 9600bps uncoded maximum speed. |
|--------------+---------------------------------------------|
| S69=8 | Select 9600bps maximum speed. |
|--------------+---------------------------------------------|
| S69=9 | Select 12Kbps maximum speed. |
|--------------+---------------------------------------------|
| í S69=10 | Select 14.4Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=11 | Select 16.8Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=12 | Select 19.2Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=13 | Select 21.6Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=14 | Select 24Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=15 | Select 26.4Kbps maximum speed. |
|--------------+---------------------------------------------|
| S69=16 | Select 28.8Kbps maximum speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the function of the CTS signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &R0 | RTS to CTS delay enabled. |
|--------------+---------------------------------------------|
| í &R1 | CTS forced high. |
|--------------+---------------------------------------------|
| &R2 | CTS follows CD. |
|--------------+---------------------------------------------|
| &R9 | CTS follows RTS. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Configures the behavior of the DCD signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &C0 | DCD forced high. |
|--------------+---------------------------------------------|
| &C1 | DCD normal. |
|--------------+---------------------------------------------|
| &C2 | DCD forced high except during handshaking |
| | and disconnecting. |
|--------------+---------------------------------------------|
| &C3 | DCD follows remote RTS signal. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT BUFFER DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S62=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait to |
| | disconnect if there is data in the transmit |
| | or receive buffers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT ON LOSS OF CURRENT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *LCn [cmds] |
|--------------+---------------------------------------------|
| Description: | Causes the modem to disconnect if the |
| | telephone line’s current drops. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *LC0 | Do not disconnect on loss of current. |
|--------------+---------------------------------------------|
| *LC1 | Disconnect after 8ms if current is lost. |
|--------------+---------------------------------------------|
| í *LC2 | Disconnect after 90ms if current is lost. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT ON LOSS OF CURRENT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Causes the modem to disconnect if the |
| | telephone line’s current drops. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S32=0 | Do not disconnect on loss of current. |
|--------------+---------------------------------------------|
| í S32=2 | Disconnect after 90ms if current is lost. |
|--------------+---------------------------------------------|
| S32=4 | Disconnect after 8ms if current is lost. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT RESET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *ROn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will reset on |
| | disconnect. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *RO0 | Modem will not reset on disconnect. |
|--------------+---------------------------------------------|
| *RO1 | Modem will reset on disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays modem properties. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Displays product code. |
|--------------+---------------------------------------------|
| I1 | Displays checksum number. |
|--------------+---------------------------------------------|
| I3 | Displays firmware version. |
|--------------+---------------------------------------------|
| I4 | Displays feature code. |
|--------------+---------------------------------------------|
| I5 | Displays reason for last disconnect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY PRODUCT VERSION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays product version. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY SERIAL NUMBER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] $V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays product serial number. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *ND [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behaviour of the DSR signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high. |
|--------------+---------------------------------------------|
| &S1 | DSR normal. |
|--------------+---------------------------------------------|
| &S2 | DSR normal, except forced low on |
| | disconnect. |
|--------------+---------------------------------------------|
| &S3 | DSR follows OH. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S82=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S82=0 | Display DTE rate; extended result codes |
| | disabled. |
|--------------+---------------------------------------------|
| S82=4 | Display DCE rate; extended result codes |
| | enabled. |
|--------------+---------------------------------------------|
| S82=8 | Display DCE rate; extended result codes |
| | disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF FROM TERMINAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S45=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character the terminal sends to |
| | represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF TO TERMINAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S50=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character the modem sends to |
| | represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON FROM TERMINAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S44=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character the terminal sends to |
| | represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON TO TERMINAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S49=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character the modem sends to |
| | represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL MODE |
|------------------------------------------------------------|
| Format | AT [cmds] S54=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 33 |
|--------------+---------------------------------------------|
| Range: | 0 - 123 |
|--------------+---------------------------------------------|
| Description: | Controls flow control type and |
| | pass-through. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Flow control disabled. |
| | | |
| | í 01 | Bidirectional XON/XOFF flow control |
| | | enabled. |
| | 10 | |
| | | CTS flow control by DCE enabled. |
| | 11 | |
| | | Bidirectional CTS/RTS flow control enabled. |
|------+-------+---------------------------------------------|
| 2 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 3 | í 0 | Flow control disabled. |
| | | |
| | 1 | Flow control enabled. |
|------+-------+---------------------------------------------|
| 4 | í 0 | XON/XOFF signals trapped by local modem. |
| | | |
| | 1 | XON/XOFF passed through local modem. |
|------+-------+---------------------------------------------|
| 6, 5 | 00 | Flow control by DCE disabled. |
| | | |
| | í 01 | XON/XOFF flow control by DCE enabled. |
| | | |
| | 10 | RTS flow control by DCE enabled. |
| | | |
| | 11 | RTS flow control by DCE enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FORCE RETRAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *RRn [cmds] |
|--------------+---------------------------------------------|
| Description: | Forces the modem to attempt to retrain to |
| | the selected speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *RR0 | Attempt 2400bps speed. |
|--------------+---------------------------------------------|
| *RR1 | Attempt 4800bps speed. |
|--------------+---------------------------------------------|
| *RR2 | Attempt 7200bps speed. |
|--------------+---------------------------------------------|
| *RR3 | Attempt 9600bps speed. |
|--------------+---------------------------------------------|
| *RR4 | Attempt 12Kbps speed. |
|--------------+---------------------------------------------|
| *RR5 | Attempt 14.4Kbps speed. |
|--------------+---------------------------------------------|
| *RR6 | Attempt 16.8Kbps speed. |
|--------------+---------------------------------------------|
| *RR7 | Attempt 19.2Kbps speed. |
|--------------+---------------------------------------------|
| *RR8 | Attempt 21.6Kbps speed. |
|--------------+---------------------------------------------|
| *RR9 | Attempt 24Kbps speed. |
|--------------+---------------------------------------------|
| *RR10 | Attempt 26.4Kbps speed. |
|--------------+---------------------------------------------|
| *RR11 | Attempt 28.8Kbps speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANG UP MODE |
|------------------------------------------------------------|
| Type: | Immdeiate/Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Commands the modem to go on- or off-hook, |
| | and selects how the modem will hang up. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| H0 | Modem commanded to go on-hook (hang up). |
|--------------+---------------------------------------------|
| H1 | Modem commanded to go off-hook (pick up). |
|--------------+---------------------------------------------|
| H2 | Set hang up mode to normal on next ATH0 |
| | command |
|--------------+---------------------------------------------|
| H3 | Set hang up mode to fast on next ATH0 |
| | command |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HELP SCREENS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT $H=xxxx |
|--------------+---------------------------------------------|
| Description: | Shows help screens. If a string is included |
| | as shown in the example, the modem will |
| | search for the string; otherwise, the whole |
| | help section will be displayed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S58=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time the modem does not |
| | receive information before it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE BACKUP RECOVERY DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S28=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | After leased line failure, modem attempts |
| | to reconnect after specified delay. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE BACKUP NUMBER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S35=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the stored number the modem will dial |
| | for DTR dialing and leased-line backup. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED - CURRENT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S80=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Reports the current serial port speed. |
|--------------+---------------------------------------------|
| Í Command | Function |
|--------------+---------------------------------------------|
| 1 | 300bps current speed. |
|--------------+---------------------------------------------|
| 2 | 600bps current speed. |
|--------------+---------------------------------------------|
| 3 | 1200bps current speed. |
|--------------+---------------------------------------------|
| 4 | 2400bps current speed. |
|--------------+---------------------------------------------|
| 5 | 4800bps current speed. |
|--------------+---------------------------------------------|
| 6 | 7200bps current speed. |
|--------------+---------------------------------------------|
| 7 | 9600bps current speed. |
|--------------+---------------------------------------------|
| 8 | 12Kbps current speed. |
|--------------+---------------------------------------------|
| 9 | 14.4Kbps current speed. |
|--------------+---------------------------------------------|
| 10 | 16.8Kbps current speed. |
|--------------+---------------------------------------------|
| 11 | 19.2Kbps current speed. |
|--------------+---------------------------------------------|
| 12 | 21.6Kbps current speed. |
|--------------+---------------------------------------------|
| 13 | 24Kbps current speed. |
|--------------+---------------------------------------------|
| 14 | 26.4Kbps current speed. |
|--------------+---------------------------------------------|
| 15 | 28.8Kbps current speed. |
|--------------+---------------------------------------------|
| 16 | 38.4Kbps current speed. |
|--------------+---------------------------------------------|
| 17 | 57.6Kbps current speed. |
|--------------+---------------------------------------------|
| 18 | 115.2Kbps current speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED CHANGE ON PIN 23 |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *FBn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether a voltage transition on pin |
| | 23 will cause the modem to change the |
| | serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *FB0 | Pin 23 transition ignored. |
|--------------+---------------------------------------------|
| *FB1 | Pin 23 negative causes modem to increase |
| | serial port speed; pin 23 positive causes |
| | modem to decrease serial port speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S63=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S63=0 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| S63=1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| S63=2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| í S63=3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *MMn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the protocol to use on the next |
| | connection. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *MM0 | Auto-detect fastest common protocol. |
|--------------+---------------------------------------------|
| *MM1 | Selects V.21. |
|--------------+---------------------------------------------|
| *MM2 | Selects Bell 103. |
|--------------+---------------------------------------------|
| *MM5 | Selects V.22bis. |
|--------------+---------------------------------------------|
| *MM11 | Selects V.32bis. |
|--------------+---------------------------------------------|
| *MM12 | Selects V.34. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S88=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the protocol to use on the next |
| | connection. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S88=0 | Auto-detect fastest common protocol. |
|--------------+---------------------------------------------|
| S88=1 | Selects V.21. |
|--------------+---------------------------------------------|
| S88=2 | Selects Bell 103. |
|--------------+---------------------------------------------|
| S88=5 | Selects V.22bis. |
|--------------+---------------------------------------------|
| S88=11 | Selects V.32bis. |
|--------------+---------------------------------------------|
| S88=12 | Selects V.34. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED - CURRENT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S91? [cmds] |
|--------------+---------------------------------------------|
| Description: | Returns a value indicating the current |
| | protocol. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Auto-detect fastest common protocol. |
|--------------+---------------------------------------------|
| 1 | Selects V.21. |
|--------------+---------------------------------------------|
| 2 | Selects Bell 103. |
|--------------+---------------------------------------------|
| 5 | Selects V.22bis. |
|--------------+---------------------------------------------|
| 11 | Selects V.32bis. |
|--------------+---------------------------------------------|
| 12 | Selects V.34. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %T=n [cmds] |
| | |
| | AT [cmds] D<#>%Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Initiates a remote configuration session. |
| | This command may follow a dial command, |
| | omitting the equal sign, to initiate remote |
| | configuration immediately on connection. %T |
| | with no parameter will quit the current |
| | session. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION PASSWORD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %P=nnnn [cmds] |
|--------------+---------------------------------------------|
| Default: | N/A |
|--------------+---------------------------------------------|
| Range: | 0-99999999, D, <none> |
|--------------+---------------------------------------------|
| Description: | Sets the security code that a remote modem |
| | must send to begin a remote configuration |
| | sessions. If nnnn is omitted, the code will |
| | be cleared; if a D is given, remote |
| | configuration is disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODE MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *RCn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects normal or Motorola result code |
| | numbering. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *RC0 | Result code 15 is CONNECT 4800 and code 18 |
| | is CONNECT 9600 (standard). |
|--------------+---------------------------------------------|
| *RC1 | Result code 11 is CONNECT 4800 and code 12 |
| | is CONNECT 9600 (Motorola). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRAIN SENSITIVITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets how poor line conditions must be |
| | before the modem will initiate a retrain. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %R0 | Modem will not initiate retrain. |
|--------------+---------------------------------------------|
| %R1 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-5. |
|--------------+---------------------------------------------|
| %R2 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-4. |
|--------------+---------------------------------------------|
| %R3 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RETRAIN SENSITIVITY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S53=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets how poor line conditions must be |
| | before the modem will initiate a retrain. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S53=0 | Modem will not initiate retrain. |
|--------------+---------------------------------------------|
| S53=4 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-5. |
|--------------+---------------------------------------------|
| S53=8 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-4. |
|--------------+---------------------------------------------|
| S53=12 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RI SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the behavior of the Ring Indicator |
| | signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \R0 | RI signal high during rings and forced high |
| | for duration of call. |
|--------------+---------------------------------------------|
| \R1 | RI signal high during rings only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - AUTO-CALLBACK DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S78=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 30 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait to |
| | execute the auto-callback sequence after an |
| | incoming call is detected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - CALLBACK DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S74=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait to |
| | execute a callback sequence after the user |
| | has disconnected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - CALLBACK RETRY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S75=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 redial |
|--------------+---------------------------------------------|
| Description: | Sets how many times the modem will attempt |
| | to execute a callback if the first call |
| | fails. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - CALLBACK RETRY DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S76=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait to |
| | execute another callback sequence after one |
| | has failed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - FAILED LOGIN ATTEMPT MAXIMUM |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S77=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 attempt |
|--------------+---------------------------------------------|
| Description: | Sets the maximum number of failed logins |
| | the modem will accept until it disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECURITY - PASSWORD TIME |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S73=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait for |
| | a password when in secure mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS REGISTER BIT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | Write: AT [cmds] Sn.m=0 or 1 [cmds] |
| | |
| | Read: AT [cmds] Sn.m=? [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets/clears or reads bit m of register n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STATUS REGISTER HEXADECIMAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | Write: AT [cmds] Sn^=hh [cmds] |
| | |
| | Read: AT [cmds] Sn?^ [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets register n to hexadecimal number hh or |
| | displays register n in hexadecimal. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Z<#> |
|--------------+---------------------------------------------|
| Description: | Writes the indicated telephone number into |
| | non-volatile memory location 1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORE TELEPHONE NUMBER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *CNn,<#> |
|--------------+---------------------------------------------|
| Description: | Writes the indicated telephone number into |
| | non-volatile memory at location n. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TALK/DATA MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *DAn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects talk or data mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *DA0 | Talk mode enabled. |
|--------------+---------------------------------------------|
| *DA1 | Data mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Format | AT [cmds] S34=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 15 |
|--------------+---------------------------------------------|
| Description: | Initiates and controls loopback test |
| | options. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | End bidirectional local analog loopback |
| | | test. |
| | 1 | |
| | | Begin bidirectional local analog loopback |
| | | test. |
|------+-------+---------------------------------------------|
| 1 | í 0 | End bidirectional local digital loopback |
| | | test. |
| | 1 | |
| | | Begin bidirectional local digital loopback |
| | | test. |
|------+-------+---------------------------------------------|
| 2 | í 0 | Pin 18 has no function. |
| | | |
| | 1 | Pin 18 going high causes the modem to |
| | | perform local analog loopback test. |
|------+-------+---------------------------------------------|
| 3 | í 0 | Pin 21 has no function. |
| | | |
| | 1 | Pin 21 going high causes the modem to |
| | | perform remote digital loopback test. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - LEASED LINE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Zn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission over |
| | leased lines. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %Z0 | Permissive transmission level (level fixed |
| | at -9dBm.) |
|--------------+---------------------------------------------|
| %Z1 | Programmable transmission level (level |
| | controlled by exterior resistor, or -12dBm |
| | if absent. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL - SWITCHED LINE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *TDn [cmds] |
|--------------+---------------------------------------------|
| Default: | 9 |
|--------------+---------------------------------------------|
| Range: | 9-30 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the transmitted signal level when the |
| | modem is connected to a switched phone |
| | line. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25bis OPTIONS |
|------------------------------------------------------------|
| Format | AT [cmds] S30=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 230 |
|--------------+---------------------------------------------|
| Description: | Controls V.25bis character set, VAL |
| | response, NRZ/NRZI, and communications |
| | mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 1 | í 0 | Use ASCII character set. |
| | | |
| | 1 | Use EBCDIC character set. |
|------+-------+---------------------------------------------|
| 2 | í 0 | VAL response enabled. |
| | | |
| | 1 | VAL response disabled. |
|------+-------+---------------------------------------------|
| 4, 3 | 00 | Not used. |
|------+-------+---------------------------------------------|
| 5 | í 0 | Use NRZ mode. |
| | | |
| | 1 | Use NRZI mode. |
|------+-------+---------------------------------------------|
| 7, 6 | í 00 | V.25bis command set disabled. |
| | | |
| | 01 | V.25bis bisynchronous command, synchronous |
| | | connect mode. |
| | 10 | |
| | | V.25bis SDLC command, synchronous connect |
| | 11 | mode. |
| | | |
| | | V.25bis asynchronous command, synchronous |
| | | connect mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 HANDSHAKE OPTIONS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *FTn [cmds] |
|--------------+---------------------------------------------|
| Description: | Shortens V.32 and V.32bis handshake time. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í *FT0 | Normal handshake sequence. |
|--------------+---------------------------------------------|
| *FT1 | Training time is shortened by 2 seconds in |
| | V.32 and V.32bis modes. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 OPTIONS |
|------------------------------------------------------------|
| Format: | AT [cmds] S95=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 241 |
|--------------+---------------------------------------------|
| Range: | 0 - 241 |
|--------------+---------------------------------------------|
| Description: | Controls non-linear coding, pre-emphasis, |
| | shaping, and pre-coding. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | V.8 answer disabled for modulations below |
| | | V.34. |
| | í 1 | |
| | | V.8 answer enabled for modulations below |
| | | V.34. |
|------+-------+---------------------------------------------|
| 3 - | 000 | Not used. |
| 1 | | |
|------+-------+---------------------------------------------|
| 4 | 0 | Non-linear coding disabled. |
| | | |
| | í 1 | Non-linear coding enabled. |
|------+-------+---------------------------------------------|
| 5 | 0 | Pre-emphasis disabled. |
| | | |
| | í 1 | Pre-emphasis enabled. |
|------+-------+---------------------------------------------|
| 6 | 0 | Constellation shaping disabled. |
| | | |
| | í 1 | Constellation shaping enabled. |
|------+-------+---------------------------------------------|
| 7 | 0 | Pre-coding disabled. |
| | | |
| | í 1 | Pre-coding enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 OPTIONS |
|------------------------------------------------------------|
| Format: | AT [cmds] S96=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 160 |
|--------------+---------------------------------------------|
| Range: | 0 - 160 |
|--------------+---------------------------------------------|
| Description: | Controls TX level deviation and asymmetric |
| | bit rates. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 4 - | 00000 | Not used. |
| 0 | | |
|------+-------+---------------------------------------------|
| 5 | 0 | Asymmetric bit rates disabled. |
| | | |
| | í 1 | Asymmetric bit rates enabled. |
|------+-------+---------------------------------------------|
| 6 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 7 | 0 | TX level deviation disabled. |
| | | |
| | í 1 | TX level deviation enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 RETRAIN SENSITIVITY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *THn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets how poor line conditions must be |
| | before the modem will initiate a retrain |
| | when in V.34 mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *TH0 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-6. |
|--------------+---------------------------------------------|
| *TH1 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-4. |
|--------------+---------------------------------------------|
| í *TH2 | Modem will initiate retrain when the Bit |
| | Error Rate exceeds 10-2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.34 SPLIT-SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] *ASn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls V.34 - split-speed mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| *AS0 | V.34 split-speed disabled. |
|--------------+---------------------------------------------|
| *AS1 | V.34 split-speed enabled. |
+------------------------------------------------------------+