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       # COMPUTER PERIPHERALS, INC.
       
          EUROVIVA 14.4I FAX
       
          Modem Type             Data (synchronous/asynchronous)/Fax     
          Maximum Data Rate      14.4Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               8-bit ISA                               
          Fax Class              Class I & II                            
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis                                 
          Fax Modulation         ITU-T V.17, V.27ter, V.29               
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Line out          |   CN1    | Line in          |   CN2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |      Port      |  SW1/1   |  SW1/2   |  SW1/3   |  SW1/4   |
          |----------------+----------+----------+----------+----------|
          |  COM1: (3F8h)  |    On    |   Off    |   Off    |   Off    |
          |----------------+----------+----------+----------+----------|
          |  COM2: (2F8h)  |   Off    |    On    |   Off    |   Off    |
          |----------------+----------+----------+----------+----------|
          |  COM3: (3E8h)  |   Off    |   Off    |    On    |   Off    |
          |----------------+----------+----------+----------+----------|
          | » COM4: (2E8h) |   Off    |   Off    |   Off    |    On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |   IRQ   |   JP1/A    |   JP1/B    |   JP1/C    |   JP1/D   |
          |---------+------------+------------+------------+-----------|
          |    2    |    Open    |    Open    |    Open    |  Closed   |
          |---------+------------+------------+------------+-----------|
          | » 3     |   Closed   |    Open    |    Open    |   Open    |
          |---------+------------+------------+------------+-----------|
          |    4    |    Open    |   Closed   |    Open    |   Open    |
          |---------+------------+------------+------------+-----------|
          |    5    |    Open    |    Open    |   Closed   |   Open    |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                        AUTO-RETRAIN                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects auto-retrain mode                   |
          |--------------+---------------------------------------------|
          | Command      |                  Function                   |
          |--------------+---------------------------------------------|
          | » %E0        | Auto-retrain disabled                       |
          |--------------+---------------------------------------------|
          |     %E1      | Auto-retrain enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format          | AT [cmds] S14? [cmds]                    |
          |-----------------+------------------------------------------|
          | Default:        | Read-only                                |
          |-----------------+------------------------------------------|
          | Range:          | 0-255                                    |
          |-----------------+------------------------------------------|
          | Unit:           | Bit-mapped                               |
          |-----------------+------------------------------------------|
          | Description:    | Displays echo, result codes, dial mode,  |
          |                 | and originate/answer mode                |
          |------------------------------------------------------------|
          |   Bit    |   Value    |              Function              |
          |----------+------------+------------------------------------|
          |    0     |     0      | Not used                           |
          |----------+------------+------------------------------------|
          |    1     |     0      | Command echo function disabled     |
          |          |            |                                    |
          |          |     1      | Command echo function enabled      |
          |----------+------------+------------------------------------|
          |    2     |     0      | Result code sending enabled        |
          |          |            |                                    |
          |          |     1      | Result code sending disabled       |
          |----------+------------+------------------------------------|
          |    3     |     0      | Numeric format enabled             |
          |          |            |                                    |
          |          |     1      | Verbose format enabled             |
          |----------+------------+------------------------------------|
          |    4     |     0      | Not used                           |
          |----------+------------+------------------------------------|
          |    5     |     0      | Tone dialing mode enabled          |
          |          |            |                                    |
          |          |     1      | Pulse dialing mode enabled         |
          |----------+------------+------------------------------------|
          |    6     |     0      | Not used                           |
          |----------+------------+------------------------------------|
          |    7     |     0      | Answer mode enabled                |
          |          |            |                                    |
          |          |     1      | Originate mode enabled             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format         | AT [cmds] S21? [cmds]                     |
          |----------------+-------------------------------------------|
          | Default:       | Read-only                                 |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 255                                   |
          |----------------+-------------------------------------------|
          | Unit:          | Bit-mapped                                |
          |----------------+-------------------------------------------|
          | Description:   | Displays jack type, CTS signal, low DTR   |
          |                | action, DCD signal, DSR signal, and the   |
          |                | long space disconnect function            |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    0     |   0   | Selects RJ-11, RJ-41S, or RJ45S jack    |
          |          |       |                                         |
          |          |   1   | Selects RJ-12 or RJ-13 jack             |
          |----------+-------+-----------------------------------------|
          |    1     |   0   | Not used                                |
          |----------+-------+-----------------------------------------|
          |    2     |   0   | CTS follows RTS                         |
          |          |       |                                         |
          |          |   1   | CTS forced high                         |
          |----------+-------+-----------------------------------------|
          |   4, 3   |  00   | DTR signal ignored                      |
          |          |       |                                         |
          |          |  01   | Modem goes to command mode on low DTR   |
          |          |       |                                         |
          |          |  10   | Modem disconnects on low DTR.           |
          |          |       | Auto-Answer is disabled.                |
          |          |  11   |                                         |
          |          |       | Modem is initialized on low DTR         |
          |----------+-------+-----------------------------------------|
          |    5     |   0   | DCD forced high                         |
          |          |       |                                         |
          |          |   1   | DCD normal                              |
          |----------+-------+-----------------------------------------|
          |    6     |   0   | DSR forced high                         |
          |          |       |                                         |
          |          |   1   | DSR normal                              |
          |----------+-------+-----------------------------------------|
          |    7     |   0   | Long space disconnect function disabled |
          |          |       |                                         |
          |          |   1   | Long space disconnect function enabled  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S22                   |
          |------------------------------------------------------------|
          | Format         | AT [cmds] S22? [cmds]                     |
          |----------------+-------------------------------------------|
          | Default:       | Read-only                                 |
          |----------------+-------------------------------------------|
          | Range:         | 0-255                                     |
          |----------------+-------------------------------------------|
          | Unit:          | Bit-mapped                                |
          |----------------+-------------------------------------------|
          | Description:   | Displays speaker volume and controls      |
          |------------------------------------------------------------|
          |   Bit    |   Value   |              Function               |
          |----------+-----------+-------------------------------------|
          |   1, 0   |    00     | Off volume                          |
          |          |           |                                     |
          |          |    01     | On volume                           |
          |          |           |                                     |
          |          |    10     | Medium level volume                 |
          |          |           |                                     |
          |          |    11     | High level volume                   |
          |----------+-----------+-------------------------------------|
          |   3, 2   |    00     | Speaker off                         |
          |          |           |                                     |
          |          |    01     | Speaker off on carrier              |
          |          |           |                                     |
          |          |    10     | Speaker always on                   |
          |          |           |                                     |
          |          |    11     | Speaker on during handshake         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S23                   |
          |------------------------------------------------------------|
          | Format         | AT [cmds] S23? [cmds]                     |
          |----------------+-------------------------------------------|
          | Default:       | Read-only                                 |
          |----------------+-------------------------------------------|
          | Range:         | 0-255                                     |
          |----------------+-------------------------------------------|
          | Unit:          | Bit-mapped                                |
          |----------------+-------------------------------------------|
          | Description:   | Displays DTE rate and parity              |
          |------------------------------------------------------------|
          |    Bit    | Value |                Function                |
          |-----------+-------+----------------------------------------|
          |     0     |   0   | Not used                               |
          |-----------+-------+----------------------------------------|
          |  3, 2, 1  |  000  | Sets serial port speed to 0-300bps     |
          |           |       |                                        |
          |           |  001  | Sets serial port speed to 600bps       |
          |           |       |                                        |
          |           |  010  | Sets serial port speed to 1200bps      |
          |           |       |                                        |
          |           |  011  | Sets serial port speed to 2400bps      |
          |           |       |                                        |
          |           |  100  | Sets serial port speed to 4800bps      |
          |           |       |                                        |
          |           |  101  | Sets serial port speed to 9600bps      |
          |           |       |                                        |
          |           |  110  | Sets serial port speed to 14400bps     |
          |-----------+-------+----------------------------------------|
          |    5,4    |  00   | Parity even                            |
          |           |       |                                        |
          |           |  01   | Space Parity                           |
          |           |       |                                        |
          |           |  10   | Parity odd                             |
          |           |       |                                        |
          |           |  11   | Mark /No Parity                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S27                   |
          |------------------------------------------------------------|
          | Format           | AT [cmds] S27? [cmds]                   |
          |------------------+-----------------------------------------|
          | Default:         | Read-only                               |
          |------------------+-----------------------------------------|
          | Range:           | 0-255                                   |
          |------------------+-----------------------------------------|
          | Unit:            | Bit-mapped                              |
          |------------------+-----------------------------------------|
          | Description:     | Displays synchronous/asynchronous mode, |
          |                  | line type                               |
          |------------------------------------------------------------|
          |    Bit     |  Value   |              Function              |
          |------------+----------+------------------------------------|
          |  3, 1, 0   |   000    | Asynchronous mode                  |
          |            |          |                                    |
          |            |   001    | Asynchronous command mode and      |
          |            |          | synchronous connect mode           |
          |            |   010    |                                    |
          |            |          | Asynchronous command mode and      |
          |            |   011    | synchronous connect mode, DTR      |
          |            |          | forced high                        |
          |            |   101    |                                    |
          |            |          | Asynchronous command mode on low   |
          |            |   110    | DTR, synchronous connect mode on   |
          |            |          | high DTR                           |
          |            |          |                                    |
          |            |          | Error correction mode              |
          |            |          |                                    |
          |            |          | Buffered asynchronous mode         |
          |------------+----------+------------------------------------|
          |     2      |    1     | Leased line                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S31                   |
          |------------------------------------------------------------|
          | Format          | AT [cmds] S31? [cmds]                    |
          |-----------------+------------------------------------------|
          | Default:        | Read-only                                |
          |-----------------+------------------------------------------|
          | Range:          | 0-255                                    |
          |-----------------+------------------------------------------|
          | Unit:           | Bit-mapped                               |
          |-----------------+------------------------------------------|
          | Description:    | Displays automatic speed detection and   |
          |                 | result codes                             |
          |------------------------------------------------------------|
          |    Bit    | Value |                Function                |
          |-----------+-------+----------------------------------------|
          |     0     |   0   | Not used                               |
          |-----------+-------+----------------------------------------|
          |     1     |   0   | Automatic speed detection disabled     |
          |           |       |                                        |
          |           |   1   | Automatic speed detection enabled      |
          |-----------+-------+----------------------------------------|
          |   3, 2    |  00   | DTE speed displayed in result codes    |
          |           |       |                                        |
          |           |  01   | Extended result codes enabled, DCE and |
          |           |       | DTE speed displayed in result codes.   |
          |           |  10   |                                        |
          |           |       | DCE speed displayed in result codes    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format         | AT [cmds] S40? [cmds]                     |
          |----------------+-------------------------------------------|
          | Default:       | Read-only                                 |
          |----------------+-------------------------------------------|
          | Range:         | 0-255                                     |
          |----------------+-------------------------------------------|
          | Unit:          | Bit-mapped                                |
          |----------------+-------------------------------------------|
          | Description:   | Displays break handling, MNP10, and block |
          |                | size                                      |
          |------------------------------------------------------------|
          |    Bit    | Value  |               Function                |
          |-----------+--------+---------------------------------------|
          |     0     |   0    | MNP10 disabled                        |
          |           |        |                                       |
          |           |   1    | MNP10 enabled                         |
          |-----------+--------+---------------------------------------|
          |   2, 1    |   0    | Not used                              |
          |-----------+--------+---------------------------------------|
          |  5, 4, 3  |  000   | \K0                                   |
          |           |        |                                       |
          |           |  001   | \K1                                   |
          |           |        |                                       |
          |           |  010   | \K2                                   |
          |           |        |                                       |
          |           |  011   | \K3                                   |
          |           |        |                                       |
          |           |  100   | \K4                                   |
          |           |        |                                       |
          |           |  101   | \K5                                   |
          |-----------+--------+---------------------------------------|
          |   7, 6    |   00   | MNP block size is 64 characters       |
          |           |        |                                       |
          |           |   01   | MNP block size is 128 characters      |
          |           |        |                                       |
          |           |   10   | MNP block size is 192 characters      |
          |           |        |                                       |
          |           |   11   | MNP block size is 256 characters      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S41                   |
          |------------------------------------------------------------|
          | Format          | AT [cmds] S41? [cmds]                    |
          |-----------------+------------------------------------------|
          | Default:        | Read-only                                |
          |-----------------+------------------------------------------|
          | Range:          | 0-255                                    |
          |-----------------+------------------------------------------|
          | Unit:           | Bit-mapped                               |
          |-----------------+------------------------------------------|
          | Description:    | Selects compression, auto-retrain, flow  |
          |                 | control, and MNP mode                    |
          |------------------------------------------------------------|
          |    Bit    |    Value    |             Function             |
          |-----------+-------------+----------------------------------|
          |   1 - 0   |     00      | Data compression disabled        |
          |           |             |                                  |
          |           |     01      | MNP5 enabled                     |
          |           |             |                                  |
          |           |     10      | V.42bis enabled                  |
          |           |             |                                  |
          |           |     11      | MNP5 and V.42bis enabled         |
          |-----------+-------------+----------------------------------|
          |     2     |      0      | Auto-retrain disabled            |
          |           |             |                                  |
          |           |      1      | Auto-retrain enabled             |
          |-----------+-------------+----------------------------------|
          |     3     |      0      | Flow control disabled            |
          |           |             |                                  |
          |           |      1      | Flow control enabled             |
          |-----------+-------------+----------------------------------|
          |     4     |      0      | Stream mode for MNP              |
          |           |             |                                  |
          |           |      1      | Block mode for MNP               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S80                   |
          |------------------------------------------------------------|
          | Format          | AT [cmds] S80? [cmds]                    |
          |-----------------+------------------------------------------|
          | Default:        | Read-only                                |
          |-----------------+------------------------------------------|
          | Range:          | 0-255                                    |
          |-----------------+------------------------------------------|
          | Unit:           | Bit-mapped                               |
          |-----------------+------------------------------------------|
          | Description:    | Displays command sets, remote            |
          |                 | configuration, call back security, and   |
          |                 | answer/originate mode                    |
          |------------------------------------------------------------|
          |   Bit    |   Value    |              Function              |
          |----------+------------+------------------------------------|
          |    0     |     0      | AT command set enabled             |
          |          |            |                                    |
          |          |     1      | V.25bis command set enabled        |
          |----------+------------+------------------------------------|
          |    1     |     0      | Remote configuration disabled      |
          |          |            |                                    |
          |          |     1      | Remote configuration enabled       |
          |----------+------------+------------------------------------|
          |    2     |     0      | Call back security disabled        |
          |          |            |                                    |
          |          |     1      | Call back security enabled         |
          |----------+------------+------------------------------------|
          |    3     |     0      | Originate mode                     |
          |          |            |                                    |
          |          |     1      | Answer mode                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK SEND                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sends break to modem                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Configures action of break signal.          |
          |------------------------------------------------------------|
          |    Command    |  Break from   |    Modem     |    Break    |
          |               |      DTE      | receives \B  |  received   |
          |               |               |              | from remote |
          |               |               |              |    modem    |
          |---------------+---------------+--------------+-------------|
          |      \K0      | Online        | Break sent   | Buffers     |
          |               | command mode  | to remote    | cleared,    |
          |               | enabled, send | modem and    | break sent  |
          |               | no break to   | buffered     | to DTE      |
          |               | remote modem  | cleared      |             |
          |---------------+---------------+--------------+-------------|
          |      \K1      | Break sent to | Break sent   | Buffers     |
          |               | remote modem  | to remote    | cleared,    |
          |               | and buffered  | modem and    | break sent  |
          |               | cleared       | buffered     | to DTE      |
          |               |               | cleared      |             |
          |---------------+---------------+--------------+-------------|
          |      \K2      | Online        | Send break   | Break sent  |
          |               | command mode  | to remote    | immediately |
          |               | enabled, send | modem        | to DTE      |
          |               | no break to   | immediately  |             |
          |               | remote modem  |              |             |
          |---------------+---------------+--------------+-------------|
          |      \K3      | Send break to | Send break   | Break sent  |
          |               | remote modem  | to remote    | immediately |
          |               | immediately   | modem        | to DTE      |
          |               |               | immediately  |             |
          |---------------+---------------+--------------+-------------|
          |      \K4      | Online        | Send break   | Break sent  |
          |               | command mode  | with         | with        |
          |               | enabled, send | transmitted  | received    |
          |               | no break to   | data         | data to the |
          |               | remote modem  |              | DTE         |
          |---------------+---------------+--------------+-------------|
          | » \K5         | Send break    | Send break   | Break sent  |
          |               | with          | with         | with        |
          |               | transmitted   | transmitted  | received    |
          |               | data          | data         | data to the |
          |               |               |              | DTE         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          | Command      |                  Function                   |
          |--------------+---------------------------------------------|
          | %C0          | Data compression disabled                   |
          |--------------+---------------------------------------------|
          | %C1          | MNP5 enabled                                |
          |--------------+---------------------------------------------|
          | %C2          | V.42bis enabled                             |
          |--------------+---------------------------------------------|
          | » %C3        | MNP5 and V.42bis 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          | LAP-M mode with fallback to MNP enabled     |
          |--------------+---------------------------------------------|
          | » \N3        | MNP mode with fallback to normal mode       |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          | \N4          | LAP-M mode only enabled                     |
          |--------------+---------------------------------------------|
          | \N5          | MNP mode only enabled                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               DISPLAY CURRENT COMMAND STATUS               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \S [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays current setting of modem commands  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem port flow control             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          | » \G0        | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \G1      | Flow control enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               FLOW CONTROL CHARACTER - XOFF                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S33=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 19                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XOFF   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FLOW CONTROL CHARACTER - XON                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S32=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 17                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XON    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     LINE SIGNAL LEVEL                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L [cmds]                         |
          |--------------+---------------------------------------------|
          | Range:       | 9-43                                        |
          |--------------+---------------------------------------------|
          | Unit:        | -1dBm                                       |
          |--------------+---------------------------------------------|
          | Description: | Returns recieved line signal level          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            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    |
          |--------------+---------------------------------------------|
          | » \A3        | Maximum MNP block size is 256 characters    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   MNP STREAM/BLOCK MODE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the transfer mode for MNP           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          | » \L0        | Stream mode for MNP enabled                 |
          |--------------+---------------------------------------------|
          |     \L1      | Block mode for MNP enabled                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SLEEP TIMER                         |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S24=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 10 seconds                                  |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of DTE and DCE inactivity  |
          |              | allowed prior to initiating low-power sleep |
          |              | mode                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    V.23 SPEED DIRECTION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects V.23 speed and direction            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %F1      | 75bps transmit/1200bps receive enabled      |
          |--------------+---------------------------------------------|
          |     %F2      | 75bps receive/1200bps transmit enabled      |
          |--------------+---------------------------------------------|
          |     %F3      | V.23 split baud mode disabled               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    V.23 SPLIT BAUD MODE                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Wn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls V.23 split baud mode               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          | » \W0        | V.23 split baud mode disabled               |
          |--------------+---------------------------------------------|
          |     \W1      | V.23 split baud mode enabled                |
          +------------------------------------------------------------+
       
                         Proprietary V.25bis Command Set
       
          +------------------------------------------------------------+
          |                   DISPLAY STORED NUMBERS                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | RLI                                         |
          |--------------+---------------------------------------------|
          | Description: | Requests the modem to return the list of    |
          |              | station IDs. If no numbers are stored, the  |
          |              | modem will return LSI                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DISPLAY STORED NUMBERS                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | RLNn                                        |
          |--------------+---------------------------------------------|
          | Description: | Requests the modem to return the stored     |
          |              | number in memory location n. If no number   |
          |              | is given, all stored numbers will be        |
          |              | displayed. If no numbers are stored, the    |
          |              | modem will return LSN.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      STATION ID LIST                       |
          |------------------------------------------------------------|
          | Type:        | Result code                                 |
          |--------------+---------------------------------------------|
          | Format:      | LSInnn;<#>;xxxx                             |
          |--------------+---------------------------------------------|
          | Description: | Displays station IDs                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       STATION ID SET                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | PRInn;<#>;xxxx                              |
          |--------------+---------------------------------------------|
          | Description: | Records station ID, with n = 1-20.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    STORED NUMBERS LIST                     |
          |------------------------------------------------------------|
          | Type:        | Result code                                 |
          |--------------+---------------------------------------------|
          | Format:      | LSNxxxx                                     |
          |--------------+---------------------------------------------|
          | Description: | Displays stored numbers. xxxx may specify a |
          |              | memory location, phone number, or status.   |
          |              | If no code was specified with RLN, all      |
          |              | stored numbers are displayed.               |
          +------------------------------------------------------------+