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# MAXTECH CORPORATION
MAXTECH V.32BIS EXTERNAL
Card Type Modem(synchronous/asynchronous)
Chip Set Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | CN1 | DC power | CN4 |
|---------------------------+----------+--------------+------|
| Line out | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+----------+-----------------------------------|
| TST | Red | On | Normal operation |
|-----+-------+----------+-----------------------------------|
| TST | Red | Blinking | Error detected and corrected |
|-----+-------+----------+-----------------------------------|
| HS | Red | On | Modem is operating at 4800bps or |
| | | | faster |
|-----+-------+----------+-----------------------------------|
| HS | Red | Off | Modem is operating at slower than |
| | | | 4800bps |
|-----+-------+----------+-----------------------------------|
| AA | Red | On | Auto-answer enabled |
|-----+-------+----------+-----------------------------------|
| AA | Red | Off | Auto-answer disabled |
|-----+-------+----------+-----------------------------------|
| AA | Red | Blinking | Phone is ringing |
|-----+-------+----------+-----------------------------------|
| CD | Red | On | Carrier signal detected |
|-----+-------+----------+-----------------------------------|
| CD | Red | Off | Carrier signal not detected |
|-----+-------+----------+-----------------------------------|
| OH | Red | On | Modem is off-hook |
|-----+-------+----------+-----------------------------------|
| OH | Red | Off | Modem is on-hook |
|-----+-------+----------+-----------------------------------|
| RD | Red | On | Modem is receiving data |
|-----+-------+----------+-----------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-----+-------+----------+-----------------------------------|
| SD | Red | On | Modem is transmitting data |
|-----+-------+----------+-----------------------------------|
| SD | Red | Off | Modem is not transmitting data |
|-----+-------+----------+-----------------------------------|
| TR | Red | On | DTR signal is high |
|-----+-------+----------+-----------------------------------|
| TR | Red | Off | DTR signal is low |
|-----+-------+----------+-----------------------------------|
| MR | Red | On | Power is on |
|-----+-------+----------+-----------------------------------|
| MR | Red | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| ACCEPT RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Un |
|--------------+---------------------------------------------|
| Description: | Accepts remote modem’s request for reliable |
| | link |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO CONNECT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Modem automatically dials number stored by |
| | &Z0 on power up |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %P0 | Auto connect disabled |
|--------------+---------------------------------------------|
| %P1 | Auto connect enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %En |
|--------------+---------------------------------------------|
| Description: | Selects auto-retrain mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled. |
|--------------+---------------------------------------------|
| í %E1 | Auto-retrain enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period. |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| \CO | Data is discarded |
|------------+-----------------------------------------------|
| í \C1 | Data is buffered |
|------------+-----------------------------------------------|
| \C2 | Data is discarded, sets to normal mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format | AT [cmds] S14=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 154 |
|--------------+---------------------------------------------|
| Range: | 0 - 190 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls command echo, result codes, |
| | dialing mode, and answer/originate mode |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | 0 | Command echo off |
| | | |
| | í 1 | Command echo on |
|------+-------+---------------------------------------------|
| 2 | í 0 | Result codes enabled |
| | | |
| | 1 | Result codes disabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Numeric result codes |
| | | |
| | í 1 | Verbose result codes |
|------+-------+---------------------------------------------|
| 4 | í 1 | Dumb mode disabled |
| | | |
| | 1 | Dumb mode enabled |
|------+-------+---------------------------------------------|
| 5 | í 0 | Tone dialing selected |
| | | |
| | 1 | Pulse dialing selected |
|------+-------+---------------------------------------------|
| 6 | 0 | Not used |
|------+-------+---------------------------------------------|
| 7 | 0 | Answer mode selected |
| | | |
| | í 1 | Originate mode selected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects originate only, switched/leased |
| | line, CTS signal, low DTR action, DCD |
| | signal, DSR signal, and long space |
| | disconnect |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Originate only disabled |
| | | |
| | 1 | Originate only enabled |
|------+-------+---------------------------------------------|
| 1 | 0 | Switched line |
| | | |
| | 1 | Leased line |
|------+-------+---------------------------------------------|
| 2 | 0 | CTS follows RTS |
| | | |
| | 1 | CTS forced high |
|------+-------+---------------------------------------------|
| 4, 3 | 00 | DTR signal ignored |
| | | |
| | 01 | Modem goes to command mode on low DTR |
| | | |
| | í 10 | Modem disconnects on low DTR. Auto-Answer |
| | | is disabled |
| | 11 | |
| | | Modem is initialized on low DTR |
|------+-------+---------------------------------------------|
| 5 | 0 | DCD forced high |
| | | |
| | í 1 | DCD normal |
|------+-------+---------------------------------------------|
| 6 | í 0 | DSR forced high |
| | | |
| | 1 | DSR normal |
|------+-------+---------------------------------------------|
| 7 | í 0 | Long Space Disconnect function disabled |
| | | |
| | 1 | Long Space Disconnect function enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 118 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped. |
|--------------+---------------------------------------------|
| Description: | Controls volume and speaker settings, |
| | result codes, and make/break pulse ratio |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Not used |
| | | |
| | 01 | Low volume setting |
| | | |
| | í 10 | Medium volume setting |
| | | |
| | 11 | Highest volume setting |
|------+-------+---------------------------------------------|
| 3, 2 | 00 | Speaker disabled |
| | | |
| | í 01 | Speaker enabled until carrier signal |
| | | detected |
| | 10 | |
| | | Speaker enabled |
| | 11 | |
| | | Speaker off during dialing |
|------+-------+---------------------------------------------|
| 6, 5 | 000 | Busy and dialtone detection disabled, |
| ,4 | | result codes 0-4 enabled |
| | 001 | |
| | | Not used |
| | 010 | |
| | | Not used |
| | 011 | |
| | | Not used |
| | 100 | |
| | | Busy and dialtone detection disabled, |
| | 101 | result codes 0-5, 10 enabled |
| | | |
| | 110 | Busy tone detection disabled, dialtone |
| | | detection enabled, result codes 0-6, 10 |
| | í 111 | enabled |
| | | |
| | | Busy tone detection enabled, dialtone |
| | | detection disabled, result codes 0-5, 7, 10 |
| | | enabled |
| | | |
| | | Busy and dialtone detection enabled, all |
| | | result codes enabled |
|------+-------+---------------------------------------------|
| 7 | í 0 | 39/61ms at 10pps (North America) |
| | | |
| | 1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 5 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped. |
|--------------+---------------------------------------------|
| Description: | Controls DTE rate and parity, and sets |
| | guard tone |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 3, | 0000 | Sets serial port speed to 300bps |
| 2, | | |
| | 0001 | Not used |
| 1, 0 | | |
| | 0010 | Sets serial port speed to 1200bps |
| | | |
| | 0011 | Sets serial port speed to 2400bps |
| | | |
| | 0100 | Sets serial port speed to 4800bps |
| | | |
| | í | Sets serial port speed to 9600bps |
| | 0101 | |
| | | Sets serial port speed to 14.4Kbps |
| | 0110 | |
| | | Sets serial port speed to 19.2Kbps |
| | 0111 | |
| | | Sets serial port speed to 38.4Kbps |
| | 1000 | |
| | | Sets serial port speed to 57.6Kbps |
| | 1001 | |
| | | Sets serial port speed to 115.2Kbps |
| | 1010 | |
|------+-------+---------------------------------------------|
| 5,4 | í 00 | Parity even |
| | | |
| | 01 | Space parity |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | Mark or no parity |
|------+-------+---------------------------------------------|
| 7, 6 | 00 | 550Hz guard tone enabled |
| | | |
| | 01 | 1800Hz guard tone enabled |
| | | |
| | 10 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-251 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects sync/async mode, clock source and |
| | speed |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Asynchronous operation |
| | | |
| | 01 | Synchronous connect mode |
| | | |
| | í 10 | Synchronous operation |
| | | |
| | 11 | Synchronous on high DTR |
|------+-------+---------------------------------------------|
| 3, 2 | 00 | Internal DTE transmit clock source |
| | | |
| | 01 | External DTE transmit clock source |
| | | |
| | 10 | Slave DTE transmit clock source |
| | | |
| | 11 | Not used |
|------+-------+---------------------------------------------|
| 7, | 0000 | Connect at 300bps |
| 6, | | |
| 5, 4 | 0001 | Connect at 1200bps |
| | | |
| | 0010 | Connect at 2400bps |
| | | |
| | 0011 | Not used |
| | | |
| | 0100 | Connect at 4800bps |
| | | |
| | 0101 | Connect at 9600bps |
| | | |
| | 0110 | Not used |
| | | |
| | 0111 | Not used |
| | | |
| | 1000 | Not used |
| | | |
| | 1001 | Not used |
| | | |
| | 1010 | Not used |
| | | |
| | 1011 | Not used |
| | | |
| | 1100 | Connect at 7200bps |
| | | |
| | 1101 | Connect at 1200 bps |
| | | |
| | 1110 | Connect at 14.4Kbps |
| | | |
| | 1111 | Not used |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format: | AT [cmds] S28=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 16 |
|-----------------+------------------------------------------|
| Range: | 147 |
|-----------------+------------------------------------------|
| Description: | Auto connect, callback, Bell/ITU-T |
| | protocol |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+------------+------------------------------------|
| 0 | í 0 | Power on auto connect disabled |
| | | |
| | 1 | Power on auto connect enabled |
|------------------------------------------------------------|
| 2, 1 | í 00 | Callback disabled |
| | | |
| | 01 | Callback enabled |
| | | |
| | 10 | Password check enabled |
| | | |
| | 11 | Not used |
|-------------+---------------+------------------------------|
| 3 | 0 | Not used |
|-------------+---------------+------------------------------|
| 7, 6, | 0000 | ITU-T protocol |
| | | |
| 5, 4 | í 0001 | Bell protocol |
| | | |
| | 0010 | Autoscan |
| | | |
| | 0011 | V.23 only |
| | | |
| | 0100 | Bell 103 only |
| | | |
| | 0101 | V.22/Bell 212A only |
| | | |
| | 0110 | V.22bis only |
| | | |
| | 0111 | V.32 4800bps only |
| | | |
| | 1000 | V.32 9600bps only |
| | | |
| | 1001 | V.32bis only |
| | | |
| | 1010 | Not used |
| | | |
| | 1011 | Not used |
| | | |
| | 1100 | Not used |
| | | |
| | 1101 | Not used |
| | | |
| | 1110 | Not used |
| | | |
| | 1111 | Not used |
+------------------------------------------------------------+
+----------------------------------------------------------------+
| BREAK TYPE |
|----------------------------------------------------------------|
|Type: |Configuration |
|------------------+---------------------------------------------|
|Format: |AT [cmds] \Kn [cmds] |
|------------------+---------------------------------------------|
|Description: |Configures action of break signal. |
|----------------------------------------------------------------|
| Command |Break from DTE | Break from | Modem | Break from |
| | while in |DTE while in| receives |remote modem|
| | | | break from | while in |
| |reliable/normal|direct mode |DTE while in|normal mode |
| | mode | |command mode| |
|---------+---------------+------------+------------+------------|
| \K0 |Do not send |Send break |Buffers |Buffers |
| |break to remote|to remote |cleared and |cleared and |
| |modem. |modem |break sent |break sent |
| | |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 |Do not send |Send break |Send break |Send break |
| |break to remote|to remote |to remote |to DTE |
| |modem. |modem |modem |immediately.|
| | |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 |Do not send |Send break |Send break |Break sent |
| |break to remote|to remote |to remote |with |
| |modem. |modem |modem with |received |
| | |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. |
+----------------------------------------------------------------+
+------------------------------------------------------------+
| CLEAR DOWN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sends clear down signal when terminating a |
| | connection |
|------------------------------------------------------------|
| Command | Function |
|--------------------------+---------------------------------|
| %D0 | Clear down disabled |
|--------------------------+---------------------------------|
| í %D1 | Clear down enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | V.42bis/MNP5 data compression disabled |
|--------------+---------------------------------------------|
| í %C1 | V.42bis/MNP5 data compression enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled. |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled. |
|--------------+---------------------------------------------|
| \N2 | MNP mode only enabled. |
|--------------+---------------------------------------------|
| \N3 | MNP or normal mode enabled. |
|--------------+---------------------------------------------|
| \N4 | V.42 mode only enabled. |
|--------------+---------------------------------------------|
| \N5 | V.42 or MNP enabled. |
|--------------+---------------------------------------------|
| í \N6 | V.42, MNP and normal modes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONVERT TO RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Y [cmds] |
|--------------+---------------------------------------------|
| Description: | Switch to reliable link from normal link |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ECHO DATA |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \En [cmds] |
|--------------+---------------------------------------------|
| \Example: | AT \E0 <CR> |
|--------------+---------------------------------------------|
| Description: | Enables modem to echo received data |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \E0 | Data echo disabled |
|--------------+---------------------------------------------|
| \E1 | Data echo enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables transmission of result codes. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Disable sending extended result codes and |
| | report DCE speed |
|--------------+---------------------------------------------|
| í \V1 | Send extended result codes and report DCE |
| | speed |
|--------------+---------------------------------------------|
| \V2 | Disable sending extended result codes and |
| | report DTE speed |
|--------------+---------------------------------------------|
| \V3 | Send extended result codes and report DTE |
| | speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DCE flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \G0 | DCE flow control disabled |
|--------------+---------------------------------------------|
| \G1 | DCE flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | Bidirectional XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| Í \Q2 | CTS flow control by DCE enabled |
|--------------+---------------------------------------------|
| í \Q3 | Bidirectional CTS/RTS flow control enabled |
|--------------+---------------------------------------------|
| \Q4 | XON/XOFF flow control by DCE enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \J0 | Serial speed locked. |
|--------------+---------------------------------------------|
| \J1 | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | Maximum MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| \A1 | Maximum MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | Maximum MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| í \A3 | Maximum MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE IN RELIABLE MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \O |
|--------------+---------------------------------------------|
| Description: | Request reliable mode connection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PASSWORD/CALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Modem checks password, disconnects and |
| | calls stored number |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %S1 | Request password |
|--------------+---------------------------------------------|
| %S2 | Request password, request stored number |
| | location, disconnect, dial stored number |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PASSWORD SET |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \P=n [cmds] |
|--------------+---------------------------------------------|
| Unit: | Up to 7 ASCII characters |
|--------------+---------------------------------------------|
| Description: | Stores password. \P=? displays stored |
| | password. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SWITCH TO NORMAL MODE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Z [cmds] |
|--------------+---------------------------------------------|
| Description: | Empty buffers, switch from reliable to |
| | normal mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST STATUS |
|------------------------------------------------------------|
| Format: | AT [cmds] S16=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Contains status of loopback tests. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Local analog loopback test not in progress. |
| | | |
| | í 1 | Local analog loopback test in progress. |
|------+-------+---------------------------------------------|
| 1 | 0 | Clear down signal disabled |
| | | |
| | í 1 | Clear down signal enabled |
|------+-------+---------------------------------------------|
| 2 | 0 | Local digital loopback test not in |
| | | progress. |
| | 1 | |
| | | Local digital loopback test in progress. |
|------+-------+---------------------------------------------|
| 3 | 0 | Not used |
|------+-------+---------------------------------------------|
| 5, 4 | 00 | Disable sending extended result codes and |
| | | report DCE speed |
| | 01 | |
| | | Send extended result codes and report DCE |
| | 10 | speed |
| | | |
| | 11 | Disable sending extended result codes and |
| | | report DTE speed |
| | | |
| | | Disable sending extended result codes and |
| | | report DCE speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Ln [cmds] |
|--------------+---------------------------------------------|
| Default: | 12 |
|--------------+---------------------------------------------|
| Range: | 0-15 |
|--------------+---------------------------------------------|
| Unit: | -1 dBm |
|--------------+---------------------------------------------|
| Description: | Selects transmit level |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \X0 | XON/XOFF signals trapped by local modem |
|--------------+---------------------------------------------|
| \X1 | XON/XOFF passed through local modem |
+------------------------------------------------------------+