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       # MAGICRAM, INC.
       
          FM288B
       
          Card Type              Fax, Modem (synchronous/asynchronous)   
          Chip Set               Unidentified                            
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               PCMCIA Type II                          
          Fax Class              Class I & II                            
          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                  MNP10, V.42bis                          
          Correction/Compression 
       
                                                                   V1923
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |         AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode and              |
          |              | fallback/fall-forward                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %E0     | Auto-retrain disabled                       |
          |--------------+---------------------------------------------|
          |     %E1      | Auto-retrain enabled                        |
          |--------------+---------------------------------------------|
          |     %E2      | Auto-fallback/fall-forward enabled          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S14=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 138                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-174                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls echo, result codes and display,    |
          |              | dial mode, and answer/originate mode.       |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  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 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Tone dial enabled                           |
          |      |       |                                             |
          |      |     1 | Pulse dial enabled                          |
          |------+-------+---------------------------------------------|
          |  6   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Answer mode enabled                         |
          |      |       |                                             |
          |      |   í 1 | Originate mode enabled                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S21=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 4                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-253                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects jack type, CTS/DCD/DSR signals, low |
          |              | DTR action, and the long space disconnect   |
          |              | function.                                   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Selects RJ-11 jack                          |
          |      |       |                                             |
          |      |     1 | Selects RJ-12 or RJ-13 jack                 |
          |------+-------+---------------------------------------------|
          |  1   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  2   |     0 | CTS forced high                             |
          |      |       |                                             |
          |      |   í 1 | CTS follows RTS                             |
          |------+-------+---------------------------------------------|
          | 4, 3 |  í 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   |   í 0 | DCD forced high                             |
          |      |       |                                             |
          |      |     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:     | 117                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-127                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume and controls, and   |
          |              | limits results codes.                       |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1, 0 |    00 | Off volume                                  |
          |      |       |                                             |
          |      |  í 01 | Low level volume                            |
          |      |       |                                             |
          |      |    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             |
          | 5, 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:     | 55                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-189                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Grants/denies remote digital loopback,      |
          |              | controls DTE rate and parity, and sets      |
          |              | guard tone.                                 |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Remote digital loopback denied              |
          |      |       |                                             |
          |      |   í 1 | Remote digital loopback allowed             |
          |------+-------+---------------------------------------------|
          |  3,  |   000 | Sets serial port speed to 0-300bps          |
          | 2, 1 |       |                                             |
          |      |   001 | Sets serial port speed to 600bps            |
          |      |       |                                             |
          |      |   010 | Sets serial port speed to 1200bps           |
          |      |       |                                             |
          |      | í 011 | Sets serial port speed to 2400bps           |
          |      |       |                                             |
          |      |   100 | Sets serial port speed to 4800bps           |
          |      |       |                                             |
          |      |   101 | Sets serial port speed to 9600bps           |
          |      |       |                                             |
          |      |   110 | Sets serial port speed to 19200bps          |
          |------+-------+---------------------------------------------|
          | 5,4  |    00 | Parity even                                 |
          |      |       |                                             |
          |      |    01 | Not used                                    |
          |      |       |                                             |
          |      |    10 | Parity odd                                  |
          |      |       |                                             |
          |      |  í 11 | No Parity                                   |
          |------+-------+---------------------------------------------|
          | 7, 6 |  í 00 | Guard tone disabled                         |
          |      |       |                                             |
          |      |    01 | Guard tone disabled                         |
          |      |       |                                             |
          |      |    10 | Guard tone 1800Hz enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S27                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S27=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 73                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-110                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects synchronous/asynchronous mode, line |
          |              | type, clock source, and ITU-T/Bell modes.   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  3,  |   000 | Asynchronous mode, serial port speed        |
          | 1, 0 |       | follows connect speed.                      |
          |      |   001 |                                             |
          |      |       | Asynchronous command mode and synchronous   |
          |      |   010 | connect mode.                               |
          |      |       |                                             |
          |      |   011 | Asynchronous command mode and synchronous   |
          |      |       | connect mode, DTR dialing enabled.          |
          |      |   100 |                                             |
          |      |       | Asynchronous command mode on low DTR,       |
          |      | í 101 | synchronous connect mode on high DTR.       |
          |      |       |                                             |
          |      |   110 | Hayes AutoSync™ mode - serial port locked   |
          |      |       | at 9600bps.                                 |
          |      |       |                                             |
          |      |       | Error correction mode                       |
          |      |       |                                             |
          |      |       | Asynchronous mode with buffering            |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | Switched line                               |
          |      |       |                                             |
          |      |     1 | Leased line                                 |
          |------+-------+---------------------------------------------|
          | 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   |     0 | ITU/T mode                                  |
          |      |       |                                             |
          |      |   í 1 | Bell mode                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S28                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S28=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-31                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls V.23 split speed, transmit/receive |
          |              | speed, pulse dialing, and link negotiation. |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | V.23 split speed operation disabled         |
          |      |       |                                             |
          |      |     1 | V.23 split speed operation enabled          |
          |------+-------+---------------------------------------------|
          |  1   |   í 0 | 75bps transmit, 1200bps receive enabled     |
          |      |       |                                             |
          |      |     1 | 1200bps transmit, 75bps receive enabled     |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          | 4, 3 |  í 00 | 39ms make/61ms break at 10pps               |
          |      |       |                                             |
          |      |    01 | 33ms make/67ms break at 10pps               |
          |      |       |                                             |
          |      |    10 | 39ms make/61ms break at 20pps               |
          |      |       |                                             |
          |      |    11 | 33ms make/67ms break at 20pps               |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          | 6, 7 |  í 00 | Link will be negotiated at highest possible |
          |      |       | speed                                       |
          |      |    01 |                                             |
          |      |       | Link will be negotiated at 1200bps          |
          |      |    10 |                                             |
          |      |       | Link will be negotiated at 4800bps          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S31                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S31=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 2                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-10                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-baud function and result      |
          |              | codes.                                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Auto-baud disabled                          |
          |      |       |                                             |
          |      |   í 1 | Auto-baud enabled                           |
          |------+-------+---------------------------------------------|
          | 3, 2 |  í 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 S39                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S39=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 3                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0-6                                       |
          |----------------+-------------------------------------------|
          | Description:   | Select flow control                       |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |------------------------------------------------------------|
          |    2 - 0    | 000 | Flow control disabled                  |
          |             |     |                                        |
          |             |   í | RTS/CTS flow control enabled           |
          |             | 011 |                                        |
          |             |     | XON/XOFF flow control enabled          |
          |             | 100 |                                        |
          |             |     | Transparent XON flow control enabled   |
          |             | 101 |                                        |
          |             |     | Both XON/XOFF and RTS/CTS flow control |
          |             | 110 | enabled                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S40=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 107                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-239                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls power level and break handling;    |
          |              | selects MNP extended services, MNP10        |
          |              | fallback, and block size.                   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | MNP extended services disable               |
          |      |       |                                             |
          |      |   í 1 | MNP extended services enable                |
          |------+-------+---------------------------------------------|
          |  1   |     0 | MNP10 at 2400 and 1200 disabled             |
          |      |       |                                             |
          |      |   í 1 | MNP10 at 2400 and 1200 enabled              |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | Power level adjustment enabled              |
          |      |       |                                             |
          |      |     1 | Power level adjustment disabled             |
          |------+-------+---------------------------------------------|
          | 5 -  |   000 | \K0                                         |
          |  3   |       |                                             |
          |      |   001 | \K1                                         |
          |      |       |                                             |
          |      |   010 | \K2                                         |
          |      |       |                                             |
          |      |   011 | \K3                                         |
          |      |       |                                             |
          |      |   100 | \K4                                         |
          |      |       |                                             |
          |      | í 101 | \K5                                         |
          |------+-------+---------------------------------------------|
          | 7, 6 |    00 | MNP block size is 64 characters             |
          |      |       |                                             |
          |      |  í 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=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-91                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects compression, auto-retrain, flow     |
          |              | control, and MNP mode.                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1 -  |    00 | Data compression disabled                   |
          |  0   |       |                                             |
          |      |    01 | MNP5 enabled                                |
          |      |       |                                             |
          |      |    10 | V.42bis enabled                             |
          |      |       |                                             |
          |      |  í 11 | MNP5 and V.42bis enabled                    |
          |------+-------+---------------------------------------------|
          | 6, 2 |  í 00 | Auto-retrain disabled                       |
          |      |       |                                             |
          |      |    01 | Auto-retrain enabled                        |
          |      |       |                                             |
          |      |    10 | Auto-fallback/fall-forward enabled          |
          |------+-------+---------------------------------------------|
          |  3   |   í 0 | Flow control disabled                       |
          |      |       |                                             |
          |      |     1 | Flow control enabled                        |
          |------+-------+---------------------------------------------|
          |  4   |   í 0 | Stream mode for MNP                         |
          |      |       |                                             |
          |      |     1 | Block mode for MNP                          |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Not used                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S201                  |
          |------------------------------------------------------------|
          | Format:          | AT [cmds] S201=n [cmds]                 |
          |------------------+-----------------------------------------|
          | Default:         | 32                                      |
          |------------------+-----------------------------------------|
          | Range:           | 0-32                                    |
          |------------------+-----------------------------------------|
          | Unit:            | Bit-mapped                              |
          |------------------+-----------------------------------------|
          | Description:     | Sets initial power level and compromise |
          |                  | equalizer                               |
          |------------------------------------------------------------|
          |   Bit   |   Value   |               Function               |
          |------------------------------------------------------------|
          |     4-0     |  í 00000 | -26 dBm                           |
          |             |          |                                   |
          |             |    00001 | -30 dBm                           |
          |             |          |                                   |
          |             |    00010 | -10 dBm                           |
          |             |          |                                   |
          |             | ...to... | ...                               |
          |             |          |                                   |
          |             |    01010 | -10 dBm                           |
          |             |          |                                   |
          |             |    01011 | -11 dBm                           |
          |             |          |                                   |
          |             | ...to... | ...to...                          |
          |             |          |                                   |
          |             |    11111 | -31 dBm                           |
          |-------------+----------+-----------------------------------|
          |      5      |        0 | Compromise equalizer disabled     |
          |             |          |                                   |
          |             |      í 1 | Compromise equalizer enabled      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         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 receives | Break received |
          |           |     DTE      |       \B       |  from remote   |
          |           |              |                |     modem      |
          |-----------+--------------+----------------+----------------|
          |    \K0    | Online       | Break sent to  | Buffers        |
          |           | command mode | remote modem   | cleared, break |
          |           | enabled,     | and buffered   | sent to DTE    |
          |           | send no      | cleared        |                |
          |           | break to     |                |                |
          |           | remote modem |                |                |
          |-----------+--------------+----------------+----------------|
          |    \K1    | Break sent   | Break sent to  | Buffers        |
          |           | to remote    | remote modem   | cleared, break |
          |           | modem and    | and buffered   | sent to DTE    |
          |           | buffered     | cleared        |                |
          |           | cleared      |                |                |
          |-----------+--------------+----------------+----------------|
          |    \K2    | Online       | Send break to  | Break sent     |
          |           | command mode | remote modem   | immediately to |
          |           | enabled,     | immediately    | DTE            |
          |           | send no      |                |                |
          |           | break to     |                |                |
          |           | remote modem |                |                |
          |-----------+--------------+----------------+----------------|
          |    \K3    | Send break   | Send break to  | Break sent     |
          |           | to remote    | remote modem   | immediately to |
          |           | modem        | immediately    | DTE            |
          |           | immediately  |                |                |
          |-----------+--------------+----------------+----------------|
          |    \K4    | Online       | Send break     | Break sent     |
          |           | command mode | with           | with received  |
          |           | enabled,     | transmitted    | data to the    |
          |           | send no      | data           | DTE            |
          |           | break to     |                |                |
          |           | remote modem |                |                |
          |-----------+--------------+----------------+----------------|
          |   í \K5   | Send break   | Send break     | Break sent     |
          |           | with         | with           | with received  |
          |           | transmitted  | transmitted    | data to the    |
          |           | data         | data           | 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                             |
          |--------------+---------------------------------------------|
          |    í %C3     | MNP5 and V.42bis                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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                         |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N2      | Reliable mode enabled                       |
          |--------------+---------------------------------------------|
          |     \N3      | Auto-reliable mode enabled                  |
          |--------------+---------------------------------------------|
          |     \N4      | V.42 error correcting mode enabled          |
          |--------------+---------------------------------------------|
          |     \N5      | MNP error correcting mode enabled           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FLASH DIAL MODIFIER TIME                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S29=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 10 ms                                       |
          |--------------+---------------------------------------------|
          | Description: | Time the modem will go on-hook upon         |
          |              | receiving the ! dial modifier in dial       |
          |              | string.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem port flow control             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \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]                         |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicates the         |
          |              | received line signal level (in -dBm)        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    LINE SIGNAL QUALITY                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Q [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicates line signal |
          |              | quality                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      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      | MNP block size is 64 characters             |
          |--------------+---------------------------------------------|
          |    í \A1     | MNP block size is 128 characters            |
          |--------------+---------------------------------------------|
          |     \A2      | MNP block size is 192 characters            |
          |--------------+---------------------------------------------|
          |     \A3      | MNP block size is 256 characters            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MNP - EXTENDED SERVICES                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects MNP extended services               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     -K0      | MNP extended services disabled              |
          |--------------+---------------------------------------------|
          |    í -K1     | MNP extended services enabled               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MNP - STREAM/BLOCK MODE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the transfer mode for MNP link      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \L0     | Stream mode for MNP enabled                 |
          |--------------+---------------------------------------------|
          |     \L1      | Block mode for MNP enabled                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      MNP10 - FALLBACK                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Allows MNP10 to fall back to speeds slower  |
          |              | than 4800bps                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     -Q0      | MNP10 at 2400 and 1200bps disabled          |
          |--------------+---------------------------------------------|
          |    í -Q1     | MNP10 at 2400 and 1200bps enabled           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MNP10 - LINK NEGOTIATION                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed at which MNP10 link          |
          |              | negotiation will occur                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í *H0     | Link will be negotiated at highest possible |
          |              | speed                                       |
          |--------------+---------------------------------------------|
          |     *H1      | Link will be negotiated at 1200bps          |
          |--------------+---------------------------------------------|
          |     *H2      | Link will be negotiated at 4800bps          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 MNP10 - POWER LEVEL ADJUST                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls automatic transmit power level     |
          |              | adjustment during MNP 10 link negotiation   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í )M0     | Power level adjustment disabled             |
          |--------------+---------------------------------------------|
          |     )M1      | Power level adjustment enabled              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SLEEP TIMER                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S24=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of DTE and DCE inactivity  |
          |              | allowed prior to initiating low-power sleep |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         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                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      TEST MODE - PTT                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %TTn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Send PTT test signals for a line tests      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 TRANSMISSION LEVEL - PSTN                  |
          |------------------------------------------------------------|
          | Type        | Register or Configuration                    |
          |-------------+----------------------------------------------|
          | Format      | AT [cmds] S91=n [cmds]                       |
          |-------------+----------------------------------------------|
          | Default     | 10                                           |
          |-------------+----------------------------------------------|
          | Range       | 0-15                                         |
          |-------------+----------------------------------------------|
          | Unit        | -1 dBm                                       |
          |-------------+----------------------------------------------|
          | Description | Sets the signal level for transmission over  |
          |             | switched phone lines                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  TRANSMISSION LEVEL - FAX                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S92=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-15                                        |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission      |
          |              | while in fax mode                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              TRANSMISSION LEVEL - LEASED-LINE              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S99=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-15                                        |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission over |
          |              | leased-lines                                |
          +------------------------------------------------------------+
       
                         Proprietary V.25bis Command Set
       
          +------------------------------------------------------------+
          |                    LOCAL CONFIGURATION                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | CNLx [cmds]                                 |
          |--------------+---------------------------------------------|
          | Description: | Enables AT command x                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   PROGRAM IDENTIFICATION                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | PRI                                         |
          |--------------+---------------------------------------------|
          | Description: | Returns VAL message                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   REQUEST STORED NUMBER                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | RLNn <CR>                                   |
          |--------------+---------------------------------------------|
          | Range:       | 0-19                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Memory location                             |
          |--------------+---------------------------------------------|
          | Description: | Display dial string stored at memory        |
          |              | address n                                   |