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# POWERCOM AMERICA, INC.
2814 EXTERNAL
Card Type Fax, Modem (synchronous/asynchronous)
Chip Set Unidentified
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.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 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| í SMART mode | JP1 | Open |
|----------------------------------------+-------+-----------|
| DUMB mode | JP1 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+----------+------------+-----------------------------|
| TST | Red | Blinking | Errors detected and error |
| | | | correction activated |
|------+----------+------------+-----------------------------|
| TST | Red | Off | No errors detected |
|------+----------+------------+-----------------------------|
| 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 |
|------+----------+------------+-----------------------------|
| CD | Red | Blinking | Modem is retraining |
|------+----------+------------+-----------------------------|
| 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 |
|------+----------+------------+-----------------------------|
| MR | Red | Blinking | Modem in self-test mode |
|------------------------------------------------------------|
| H Status | M Status | L | Condition |
| | | Status | |
|-----------+------------+--------+--------------------------|
| Green | Green | Green | Modem operating at |
| | | | 28.8Kbps |
|-----------+------------+--------+--------------------------|
| Green | Green | Off | Modem operating at |
| | | | 26.4Kbps |
|-----------+------------+--------+--------------------------|
| Green | Off | Green | Modem operating at |
| | | | 24Kbps |
|-----------+------------+--------+--------------------------|
| Green | Off | Off | Modem operating at |
| | | | 21.6Kbps |
|-----------+------------+--------+--------------------------|
| Off | Green | Green | Modem operating at |
| | | | 19.2Kbps |
|-----------+------------+--------+--------------------------|
| Off | Green | Off | Modem operating at |
| | | | 16.8Kbps |
|-----------+------------+--------+--------------------------|
| Red | Red | Red | Modem operating at |
| | | | 14.4Kbps |
|-----------+------------+--------+--------------------------|
| Red | Red | Off | Modem operating at |
| | | | 12Kbps |
|-----------+------------+--------+--------------------------|
| Red | Off | Red | Modem operating at |
| | | | 9600bps |
|-----------+------------+--------+--------------------------|
| Red | Off | Off | Modem operating at |
| | | | 7200bps |
|-----------+------------+--------+--------------------------|
| Off | Red | Red | Modem operating at |
| | | | 4800bps |
|-----------+------------+--------+--------------------------|
| Off | Red | Off | Modem operating at |
| | | | 2400bps |
|-----------+------------+--------+--------------------------|
| Off | Off | Red | Modem operating at |
| | | | 1200bps |
|-----------+------------+--------+--------------------------|
| Off | Off | Off | Modem operating at |
| | | | 300bps |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character; %A0 will |
| | disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \C0 | Data is discarded |
|--------------+---------------------------------------------|
| \C1 | Data is buffered |
|--------------+---------------------------------------------|
| \C2 | Data is discarded; modem returns to normal |
| | mode on receiving auto-reliable fallback |
| | character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOMATIC POWER LEVEL ADJUSTMENT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls automatic transmit power level |
| | adjustment during leased-line mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %P0 | Automatic power level adjustment disabled |
|--------------+---------------------------------------------|
| %P1 | Automatic power level adjustment enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S14 |
|------------------------------------------------------------|
| Format: | AT [cmds] S14=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 138 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls echo, result codes and display, |
| | dial mode, smart/dumb mode, restore profile |
| | on power-up, and answer/originate mode. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | V.42 extended result code disabled |
| | | |
| | 1 | V.42 extended result code enabled |
|------+-------+---------------------------------------------|
| 1 | 0 | Command echo disabled |
| | | |
| | í 1 | Command echo enabled |
|------+-------+---------------------------------------------|
| 2 | í 0 | Result codes enabled |
| | | |
| | 1 | Result codes disabled |
|------+-------+---------------------------------------------|
| 3 | 0 | Display result codes in numeric format |
| | | |
| | í 1 | Display result codes in verbose format |
|------+-------+---------------------------------------------|
| 4 | í 0 | SMART mode |
| | | |
| | 1 | DUMB mode |
|------+-------+---------------------------------------------|
| 5 | í 0 | Tone dial enabled |
| | | |
| | 1 | Pulse dial enabled |
|------+-------+---------------------------------------------|
| 6 | í 0 | Restore profile 0 on power-up |
| | | |
| | 1 | Restore profile 1 on power-up |
|------+-------+---------------------------------------------|
| 7 | 0 | Answer mode enabled |
| | | |
| | í 1 | Originate mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S21 |
|------------------------------------------------------------|
| Format | AT [cmds] S21=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 48 |
|--------------+---------------------------------------------|
| Range: | 0-254 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects line type, CTS/DCD/DSR signals, low |
| | DTR action, and the long space disconnect |
| | function. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | í 0 | Switched line |
| | | |
| | 1 | Leased-line |
|------+-------+---------------------------------------------|
| 2 | í 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: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume and controls, and |
| | limits results codes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Low level volume |
| | | |
| | 01 | Low level volume |
| | | |
| | í 10 | Medium level volume |
| | | |
| | 11 | High level volume |
|------+-------+---------------------------------------------|
| 3, 2 | 00 | Speaker off |
| | | |
| | í 01 | Speaker off on carrier |
| | | |
| | 10 | Speaker always on |
| | | |
| | 11 | Speaker on during handshake |
|------+-------+---------------------------------------------|
| 6 - | 000 | Basic result codes only enabled |
| 4 | | |
| | 100 | Basic and connection speed result codes |
| | | enabled |
| | 101 | |
| | | Basic and connection speed result codes and |
| | 110 | dialtone detection enabled |
| | | |
| | í 111 | All result codes except dialtone detection |
| | | enabled |
| | | |
| | | All result codes enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S23 |
|------------------------------------------------------------|
| Format | AT [cmds] S23=n [cmds] |
|---------------+--------------------------------------------|
| Default: | Unidentified |
|---------------+--------------------------------------------|
| Range: | 0-60 |
|---------------+--------------------------------------------|
| Unit: | Bit-mapped |
|---------------+--------------------------------------------|
| Description: | Controls DTE rate and parity. |
|---------------+--------------------------------------------|
| Bit | Value | Function |
|-------+-------+--------------------------------------------|
| 3 - 0 | 0000 | Sets serial port speed to 110bps |
| | | |
| | 0001 | Sets serial port speed to 300bps |
| | | |
| | 0010 | Sets serial port speed to 600bps |
| | | |
| | 0011 | Sets serial port speed to 1200bps |
| | | |
| | 0100 | Sets serial port speed to 2400bps |
| | | |
| | 0101 | Sets serial port speed to 4800bps |
| | | |
| | 0110 | Sets serial port speed to 9600bps |
| | | |
| | 0111 | Sets serial port speed to 14400bps |
| | | |
| | 1000 | Sets serial port speed to 19200bps |
| | | |
| | 1001 | Sets serial port speed to 38400bps |
| | | |
| | 1010 | Sets serial port speed to 56700bps |
| | | |
| | 1011 | Sets serial port speed to 76800bps |
| | | |
| | 1100 | Sets serial port speed to 115200bps |
|-------+-------+--------------------------------------------|
| 5, 4 | í 00 | Parity even |
| | | |
| | 01 | Space Parity |
| | | |
| | 10 | Parity odd |
| | | |
| | 11 | Mark or No Parity |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S27 |
|------------------------------------------------------------|
| Format | AT [cmds] S27=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 5 |
|--------------+---------------------------------------------|
| Range: | 0-165 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Selects synchronous/asynchronous mode, line |
| | type, clock source, and ITU-T/Bell modes. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 2 - | 000 | Asynchronous mode |
| 0 | | |
| | 001 | Asynchronous off-line command mode then |
| | | synchronous connect mode |
| | 010 | |
| | | Synchronous terminal support |
| | 011 | |
| | | Synchronous connect mode on originating a |
| | í 101 | call |
| | | |
| | | Error correction mode |
|------+-------+---------------------------------------------|
| 3 | í 0 | Not used |
|------+-------+---------------------------------------------|
| 5, 4 | í 00 | Local modem generates transmit clock source |
| | | |
| | 01 | Local DTE generates transmit clock source |
| | | |
| | 10 | Remote DCE/DTE generates transmit clock |
| | | source |
|------+-------+---------------------------------------------|
| 6, 7 | í 00 | ITU/T mode |
| | | |
| | 01 | Bell mode |
| | | |
| | 10 | ITU/T V.23 at 1200bps (not used on US |
| | | versions) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S28 |
|------------------------------------------------------------|
| Format | AT [cmds] S28=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-27 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls automatic power level adjustment |
| | and line speed. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Automatic power level adjustment disabled |
| | | |
| | 1 | Automatic power level adjustment enabled |
|------+-------+---------------------------------------------|
| 4 - | 0000 | Set line speed to 300bps |
| 1 | | |
| | 0001 | Set line speed to 1200bps |
| | | |
| | 0010 | Set line speed to 2400bps |
| | | |
| | 0011 | Set line speed to 4800bps |
| | | |
| | 0100 | Set line speed to 7200bps |
| | | |
| | 0101 | Set line speed to 9600bps |
| | | |
| | 0110 | Set line speed to 12Kbps |
| | | |
| | 0111 | Set line speed to 14.4Kbps |
| | | |
| | 1000 | Set line speed to 16.8Kbps |
| | | |
| | 1001 | Set line speed to 19.2Kbps |
| | | |
| | 1010 | Set line speed to 21.6Kbps |
| | | |
| | 1011 | Set line speed to 24Kbps |
| | | |
| | 1100 | Set line speed to 26.4Kbps |
| | | |
| | 1101 | Set line speed to 28.8Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format: | AT [cmds] S40=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 3 |
|-----------------+------------------------------------------|
| Range: | 0-3 |
|-----------------+------------------------------------------|
| Description: | Sets the maximum transmittable block |
| | size |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1, 0 | 00 | MNP block size is 64 characters |
| | | |
| | 01 | MNP block size is 128 characters |
| | | |
| | 10 | MNP block size is 192 characters |
| | | |
| | í 11 | MNP block size is 256 characters |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format: | AT [cmds] S41=n [cmds] |
|-----------------+------------------------------------------|
| Default: | 0 |
|-----------------+------------------------------------------|
| Range: | 0-1 |
|-----------------+------------------------------------------|
| Description: | Selects data compression |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 0 | í 0 | Data compression disabled |
| | | |
| | 1 | MNP5 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Default: | 3 |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| &Q0 | Asynchronous mode |
|--------------+---------------------------------------------|
| &Q1 | Asynchronous off-line command mode then |
| | synchronous connect mode |
|--------------+---------------------------------------------|
| &Q2 | Synchronous terminal support |
|--------------+---------------------------------------------|
| &Q3 | Synchronous connect mode on originating a |
| | call |
|--------------+---------------------------------------------|
| í &Q5 | Error correction mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | MNP5 enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| í \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | MNP reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR high only while modem is handshaking or |
| | connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \J0 | Serial speed locked |
|--------------+---------------------------------------------|
| í \J1 | Serial speed follows connect speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects MNP extended result codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \V0 | MNP extended result codes disabled |
|--------------+---------------------------------------------|
| \V1 | MNP extended result codes 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 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| í \Q2 | CTS flow control by DCE enabled |
|--------------+---------------------------------------------|
| \Q3 | Bidirectional RTS/CTS flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S39=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters |
|--------------+---------------------------------------------|
| \A1 | MNP block size is 128 characters |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters |
|--------------+---------------------------------------------|
| í \A3 | MNP block size is 256 characters |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/CTS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Rn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects RTS/CTS options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &R0 | CTS follows RTS |
|--------------+---------------------------------------------|
| &R1 | RTS is ignored; CTS forced high. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TEST MODES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S16=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-125 |
|--------------+---------------------------------------------|
| Unit: | Bit-mapped |
|--------------+---------------------------------------------|
| Description: | Controls loopback tests, analog, digital, |
| | remote digital, and self tests. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | í 0 | Local analog loopback not in progress |
| | | |
| | 1 | Local analog loopback in progress |
|------+-------+---------------------------------------------|
| 1 | í 0 | Not used |
|------+-------+---------------------------------------------|
| 2 | í 0 | Local digital loopback not in progress |
| | | |
| | 1 | Local digital loopback in progress |
|------+-------+---------------------------------------------|
| 3 | í 0 | Modem not in remote digital loopback |
| | | |
| | 1 | Remote digital loopback in progress |
|------+-------+---------------------------------------------|
| 4 | í 0 | Remote digital loopback not requested |
| | | |
| | 1 | Remote digital loopback requested |
|------+-------+---------------------------------------------|
| 5 | í 0 | Remote digital loopback w/ self-test not in |
| | | progress |
| | 1 | |
| | | Remote digital loopback w/ self-test in |
| | | progress |
|------+-------+---------------------------------------------|
| 6 | í 0 | Local analog loopback w/ self-test not in |
| | | progress |
| | 1 | |
| | | Local analog loopback w/ self-test in |
| | | progress |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \X0 | XON/XOFF signals trapped by local modem |
|--------------+---------------------------------------------|
| í \X1 | XON/XOFF passed through local modem |
+------------------------------------------------------------+