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       # NEW MEDIA CORPORATION
       
       
       
          Card Type                    Modem (synchronous/asynchronous)  
          Chipset                      Unidentified                      
          Maximum Data Rate            28.8Kbps                          
          Maximum Fax Rate             14.4Kbps                          
          Data Modulation              Unidentified                      
          Fax Modulation               Unidentified                      
          Error Correction/Compression MNP5, V.42, V.42bis               
          Fax Class                    Class I                           
          Data Bus                     PCMCIA Type II                    
       
                                                                   53574
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Z                |
          |------------------------------------------------------------|
          | &C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W,    |
          | &X, &Y, &Z                                                 |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X                 |
          |------------------------------------------------------------|
          | %A, %C, %G                                                 |
          |------------------------------------------------------------|
          |                    Special AT Commands                     |
          |------------------------------------------------------------|
          | "H, -J, "N, "O                                             |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S14, S16, S18, S21, S22, S23, S25, S26                     |
          |------------------------------------------------------------|
          | S27, S30                                                   |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   UNIDENTIFIED COMMANDS                    |
          |------------------------------------------------------------|
          |          Command           |            Default            |
          |----------------------------+-------------------------------|
          |            S54             |               0               |
          |----------------------------+-------------------------------|
          |            S65             |         Unidentified          |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |              AUTO-RELIABLE FALLBACK CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S43=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used as the              |
          |              | auto-reliable fallback character; S43=0     |
          |              | will disable this function.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          AUTO-RELIABLE TIME BUFFER CONFIGURATION           |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S48=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls the handling of incoming data      |
          |              | during the auto-reliable negotiation time   |
          |              | period.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S48=0     | Data is discarded.                          |
          |--------------+---------------------------------------------|
          |    S48=1     | Data is buffered for 4 seconds or 200       |
          |              | characters.                                 |
          |--------------+---------------------------------------------|
          |    S48=2     | Data is discarded; modem returns to normal  |
          |              | mode on receiving auto-reliable fallback    |
          |              | character.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      AUTOSYNC OPTIONS                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S19=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 26                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 30                                      |
          |--------------+---------------------------------------------|
          | Description: | Controls AutoSync protocol, HDLC address    |
          |              | detection, bit coding type, and HDLC idle.  |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Binary synchronous protocol used.           |
          |      |       |                                             |
          |      |   í 1 | HDLC protocol used.                         |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | HDLC address detection disabled.            |
          |      |       |                                             |
          |      |     1 | HDLC address detection enabled.             |
          |------+-------+---------------------------------------------|
          |  3   |     0 | NRZI bit coding used.                       |
          |      |       |                                             |
          |      |   í 1 | NRZ bit coding used.                        |
          |------+-------+---------------------------------------------|
          |  4   |     0 | HDLC idle sends MARK.                       |
          |      |       |                                             |
          |      |   í 1 | HDLC idle sends FLAG or SYNC.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   AUTOSYNC HDLC ADDRESS                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S20=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the HDLC address and binary            |
          |              | synchronous character.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format:           | AT [cmds] S40=n [cmds]                 |
          |-------------------+----------------------------------------|
          | Default:          | 77                                     |
          |-------------------+----------------------------------------|
          | Range:            | 12 - 77                                |
          |-------------------+----------------------------------------|
          | Description:      | Controls automode connection and V.42  |
          |                   | detection phase.                       |
          |------------------------------------------------------------|
          |    Bit    |   Value   |              Function              |
          |-----------+-----------+------------------------------------|
          |     0     |         0 | Automode connection disabled.      |
          |           |           |                                    |
          |           |       í 1 | Automode connection enabled.       |
          |------------------------------------------------------------|
          |     5 - 1     |   00110 | Not used.                        |
          |---------------+---------+----------------------------------|
          |       6       |       0 | V.42 detection phase disabled.   |
          |               |         |                                  |
          |               |     í 1 | V.42 detection phase enabled.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S44                   |
          |------------------------------------------------------------|
          | Format:         | AT [cmds] S44=n [cmds]                   |
          |-----------------+------------------------------------------|
          | Default:        | 7                                        |
          |-----------------+------------------------------------------|
          | Range:          | 0 - 23                                   |
          |-----------------+------------------------------------------|
          | Description:    | Controls V.42bis and                     |
          |                 | auto-fallback/fall-forward.              |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |    0     |     0 | V.42bis disabled.                       |
          |          |       |                                         |
          |          |   í 1 | V.42bis enabled.                        |
          |------------------------------------------------------------|
          |     2, 1     | 00 | V.42bis disabled.                      |
          |              |    |                                        |
          |              | 01 | V.42bis enabled on transmit only.      |
          |              |    |                                        |
          |              | 10 | V.42bis enabled on receive only.       |
          |              |    |                                        |
          |              |  í | V.42bis enabled.                       |
          |              | 11 |                                        |
          |--------------+----+----------------------------------------|
          |      3       |  0 | Not used.                              |
          |--------------+----+----------------------------------------|
          |      4       |  í | Auto-fallback/fall-forward disabled.   |
          |              |  0 |                                        |
          |              |    | Auto-fallback/fall-forward enabled.    |
          |              |  1 |                                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S51                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S51=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 0                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 115                                   |
          |----------------+-------------------------------------------|
          | Description:   | Controls flow control, serial port speed, |
          |                | and XON/XOFF trapping.                    |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |   1, 0   |  í 00 | Flow control disabled.                  |
          |          |       |                                         |
          |          |    01 | Bidirectional XON/XOFF flow control     |
          |          |       | enabled.                                |
          |          |    10 |                                         |
          |          |       | CTS flow control by DCE enabled.        |
          |          |    11 |                                         |
          |          |       | Bidirectional RTS/CTS flow control      |
          |          |       | enabled.                                |
          |------------------------------------------------------------|
          |    3, 2     |  00 | Not used.                              |
          |-------------+-----+----------------------------------------|
          |      4      | í 0 | Modem-to-modem flow control disabled.  |
          |             |     |                                        |
          |             |   1 | Modem-to-modem flow control enabled.   |
          |-------------+-----+----------------------------------------|
          |      5      | í 0 | Serial port speed locked.              |
          |             |     |                                        |
          |             |   1 | Serial port speed follows connect      |
          |             |     | speed.                                 |
          |-------------+-----+----------------------------------------|
          |      6      | í 0 | XON/XOFF signals trapped by local      |
          |             |     | modem.                                 |
          |             |   1 |                                        |
          |             |     | XON/XOFF passed through local modem.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:              | Register                              |
          |--------------------+---------------------------------------|
          | Format:            | AT [cmds] S52=n [cmds]                |
          |--------------------+---------------------------------------|
          | Description:       | Configures action of break signal.    |
          |------------------------------------------------------------|
          |  Command  |  Break from  | Modem receives | Break received |
          |           |     DTE      |       \B       |  from remote   |
          |           |              |                |     modem      |
          |-----------+--------------+----------------+----------------|
          |   S52=0   | Online       | Break sent to  | Buffers        |
          |           | command mode | remote modem   | cleared, break |
          |           | enabled,     | and buffers    | sent to DTE.   |
          |           | break not    | cleared.       |                |
          |           | sent to      |                |                |
          |           | remote       |                |                |
          |           | modem.       |                |                |
          |-----------+--------------+----------------+----------------|
          |   S52=1   | Break sent   | Break sent to  | Buffers        |
          |           | to remote    | remote modem   | cleared, break |
          |           | modem and    | and buffers    | sent to DTE.   |
          |           | buffers      | cleared.       |                |
          |           | cleared.     |                |                |
          |-----------+--------------+----------------+----------------|
          |   S52=2   | Online       | Break sent to  | Break sent     |
          |           | command mode | remote modem   | immediately to |
          |           | enabled,     | immediately.   | DTE.           |
          |           | break not    |                |                |
          |           | sent to      |                |                |
          |           | remote       |                |                |
          |           | modem.       |                |                |
          |-----------+--------------+----------------+----------------|
          |   S52=3   | Break sent   | Break sent to  | Break sent     |
          |           | to remote    | remote modem   | immediately to |
          |           | modem        | immediately.   | DTE.           |
          |           | immediately. |                |                |
          |-----------+--------------+----------------+----------------|
          |   S52=4   | Online       | Break sent     | Break sent     |
          |           | command mode | with           | with received  |
          |           | enabled,     | transmitted    | data to the    |
          |           | break not    | data.          | DTE.           |
          |           | sent to      |                |                |
          |           | remote       |                |                |
          |           | modem.       |                |                |
          |-----------+--------------+----------------+----------------|
          |  í S52=5  | Break sent   | Break sent     | Break sent     |
          |           | with         | with           | with received  |
          |           | transmitted  | transmitted    | data to the    |
          |           | data.        | data.          | DTE.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S59=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use data     |
          |              | compression.                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S59=0     | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |   í S59=1    | Data compression enabled.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S53=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will make.                                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S53=0     | Normal mode enabled.                        |
          |--------------+---------------------------------------------|
          |    S53=1     | Direct mode enabled.                        |
          |--------------+---------------------------------------------|
          |    S53=2     | MNP reliable mode enabled.                  |
          |--------------+---------------------------------------------|
          |   í S53=3    | Auto-reliable mode or MNP auto-reliable     |
          |              | mode enabled.                               |
          |--------------+---------------------------------------------|
          |    S53=4     | V.42 reliable mode enabled.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DISPLAY INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested about the    |
          |              | modem.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Displays product identification code.       |
          |--------------+---------------------------------------------|
          |      I1      | Displays ROM checksum.                      |
          |--------------+---------------------------------------------|
          |      I2      | Tests and displays ROM checksum result.     |
          |--------------+---------------------------------------------|
          |      I3      | Displays firmware components.               |
          |--------------+---------------------------------------------|
          |      I4      | Displays feature bitmap.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISPLAY VERSION                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -V [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays version number.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       EPROM CHECKSUM                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S99? [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Displays the checksum for the EPROM.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S41=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Enables selection of additional result      |
          |              | codes when S95=0; otherwise, S95 takes      |
          |              | precedence.                                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S41=0    | Enables CONNECT result codes to report DTE  |
          |              | speed.                                      |
          |--------------+---------------------------------------------|
          |    S41=1     | Enables CONNECT result codes to report DTE  |
          |              | speed, modulation type, and compression     |
          |              | type.                                       |
          |--------------+---------------------------------------------|
          |    S41=2     | Enables CONNECT result codes to report DCE  |
          |              | speed.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  LOCAL SERIAL PORT SPEED                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S62=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S62=0     | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S62=1     | Set speed to 600bps.                        |
          |--------------+---------------------------------------------|
          |    S62=2     | Set speed to 1200bps.                       |
          |--------------+---------------------------------------------|
          |    S62=3     | Set speed to 2400bps.                       |
          |--------------+---------------------------------------------|
          |    S62=4     | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S62=5     | Set speed to 7200bps.                       |
          |--------------+---------------------------------------------|
          |    S62=6     | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S62=7     | Set speed to 12Kbps.                        |
          |--------------+---------------------------------------------|
          |    S62=8     | Set speed to 14.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=9     | Set speed to 16.8Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=10    | Set speed to 19.2Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=11    | Set speed to 21.6Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=12    | Set speed to 24Kbps.                        |
          |--------------+---------------------------------------------|
          |    S62=13    | Set speed to 26.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=14    | Set speed to 28.8Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=15    | Set speed to 38.4Kbps.                      |
          |--------------+---------------------------------------------|
          |   í S62=16   | Set speed to 57.6Kbps.                      |
          |--------------+---------------------------------------------|
          |    S62=17    | Set speed to 115.2Kbps.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          LOCAL SERIAL PORT SPEED - DATA TRANSFER           |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S72=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port     |
          |              | during data transfer.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S72=0    | Use last autobaud speed.                    |
          |--------------+---------------------------------------------|
          |    S72=1     | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S72=2     | Set speed to 600bps.                        |
          |--------------+---------------------------------------------|
          |    S72=3     | Set speed to 1200bps.                       |
          |--------------+---------------------------------------------|
          |    S72=4     | Set speed to 2400bps.                       |
          |--------------+---------------------------------------------|
          |    S72=5     | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S72=6     | Set speed to 7200bps.                       |
          |--------------+---------------------------------------------|
          |    S72=7     | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S72=8     | Set speed to 12Kbps.                        |
          |--------------+---------------------------------------------|
          |    S72=9     | Set speed to 14.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S72=10    | Set speed to 16.8Kbps.                      |
          |--------------+---------------------------------------------|
          |    S72=11    | Set speed to 19.2Kbps.                      |
          |--------------+---------------------------------------------|
          |    S72=12    | Set speed to 21.6Kbps.                      |
          |--------------+---------------------------------------------|
          |    S72=13    | Set speed to 24Kbps.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |      LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON'T)       |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     S72=14     | Set speed to 26.4Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=15     | Set speed to 28.8Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=16     | Set speed to 38.4Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=17     | Set speed to 57.6Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=18     | Set speed to 115.2Kbps.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE SPEED                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshake process.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S37=0    | Speed of last AT command.                   |
          |--------------+---------------------------------------------|
          |    S37=3     | Set speed to 300bps.                        |
          |--------------+---------------------------------------------|
          |    S37=5     | Set speed to 1200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=6     | Set speed to 2400bps.                       |
          |--------------+---------------------------------------------|
          |    S37=7     | Set speed to 4800bps.                       |
          |--------------+---------------------------------------------|
          |    S37=8     | Set speed to 7200bps.                       |
          |--------------+---------------------------------------------|
          |    S37=9     | Set speed to 9600bps.                       |
          |--------------+---------------------------------------------|
          |    S37=10    | Set speed to 12Kbps.                        |
          |--------------+---------------------------------------------|
          |    S37=11    | Set speed to 14.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=12    | Set speed to 16.8Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=13    | Set speed to 19.2Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=14    | Set speed to 21.6Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=15    | Set speed to 24Kbps.                        |
          |--------------+---------------------------------------------|
          |    S37=16    | Set speed to 26.4Kbps.                      |
          |--------------+---------------------------------------------|
          |    S37=17    | Set speed to 28.8Kbps.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S49=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |              | in MNP mode.                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S49=0     | Maximum MNP block size is 64 characters.    |
          |--------------+---------------------------------------------|
          |    S49=1     | Maximum MNP block size is 128 characters.   |
          |--------------+---------------------------------------------|
          |    S49=2     | Maximum MNP block size is 192 characters.   |
          |--------------+---------------------------------------------|
          |    S49=3     | Maximum MNP block size is 256 characters.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     MODE OF OPERATION                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S50=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will operate in   |
          |              | data or fax mode.                           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S50=0    | Modem is in data mode.                      |
          |--------------+---------------------------------------------|
          |    S50=1     | Modem is in fax mode.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          ON-LINE                           |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] On                                |
          |--------------+---------------------------------------------|
          | Description: | Instructs the modem to return to on-line    |
          |              | state.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      O0      | Return to on-line state.                    |
          |--------------+---------------------------------------------|
          |      O1      | Return to on-line state and initiate        |
          |              | retrain sequence.                           |
          |--------------+---------------------------------------------|
          |      O3      | Return to on-line state and negotiate       |
          |              | 2400bps connection.                         |
          |--------------+---------------------------------------------|
          |      O4      | Return to on-line state and negotiate       |
          |              | 4800bps connection.                         |
          |--------------+---------------------------------------------|
          |      O5      | Return to on-line state and negotiate       |
          |              | 7200bps connection.                         |
          |--------------+---------------------------------------------|
          |      O6      | Return to on-line state and negotiate       |
          |              | 9600bps connection.                         |
          |--------------+---------------------------------------------|
          |      O7      | Return to on-line state and negotiate       |
          |              | 12Kbps connection.                          |
          |--------------+---------------------------------------------|
          |      O8      | Return to on-line state and negotiate       |
          |              | 14.4Kbps connection.                        |
          |--------------+---------------------------------------------|
          |      O9      | Return to on-line state and negotiate       |
          |              | 16.8Kbps connection.                        |
          |--------------+---------------------------------------------|
          |     O10      | Return to on-line state and negotiate       |
          |              | 19.2Kbps connection.                        |
          |--------------+---------------------------------------------|
          |     O11      | Return to on-line state and negotiate       |
          |              | 21.6Kbps connection.                        |
          |--------------+---------------------------------------------|
          |     O12      | Return to on-line state and negotiate       |
          |              | 24Kbps connection.                          |
          |--------------+---------------------------------------------|
          |     O13      | Return to on-line state and negotiate       |
          |              | 26.4Kbps connection.                        |
          |--------------+---------------------------------------------|
          |     O14      | Return to on-line state and negotiate       |
          |              | 28.8Kbps connection.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PROFILE ON POWER-UP                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S98=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the profile to restore into the     |
          |              | active profile on power-up.                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S98=0    | Restore profile 0 on power-up.              |
          |--------------+---------------------------------------------|
          |    S98=1     | Restore profile 1 on power-up.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SLEEP TIMER                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S46=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 255                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of DTE and DCE inactivity  |
          |              | allowed prior to initiating low-power sleep |
          |              | mode. Setting S46 to 255 disables this      |
          |              | feature.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    SLEEP TIMER - FORCED                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S47=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 255                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of DTE and DCE inactivity  |
          |              | allowed prior to forcing low-power sleep    |
          |              | and power-down mode. Setting S47 to 255     |
          |              | disables this feature.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     V.32 AUTO-RETRAIN                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain function if poor line |
          |              | quality is detected.                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &B0     | Auto-retrain disabled, modem hangs up.      |
          |--------------+---------------------------------------------|
          |     &B1      | Auto-retrain enabled, modem hangs up if     |
          |              | retrain fails.                              |
          |--------------+---------------------------------------------|
          |     &B2      | Auto-retrain disabled, modem does not hang  |
          |              | up.                                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     V.32 AUTO-RETRAIN                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S42=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain function if poor line |
          |              | quality is detected.                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S42=0    | Auto-retrain disabled, modem hangs up.      |
          |--------------+---------------------------------------------|
          |    S42=1     | Auto-retrain enabled, modem hangs up if     |
          |              | retrain fails.                              |
          |--------------+---------------------------------------------|
          |    S42=2     | Auto-retrain disabled, modem does not hang  |
          |              | up.                                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     V.42 STRING LENGTH                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S58=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 32                                          |
          |--------------+---------------------------------------------|
          | Range:       | 6 - 64                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | Selects V.42 string length.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  V.42bis DICTIONARY SIZE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S57=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects the size of the V.42bis dictionary. |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S57=0     | 512 byte dictionary selected.               |
          |--------------+---------------------------------------------|
          |    S57=1     | 1024 byte dictionary selected.              |
          |--------------+---------------------------------------------|
          |    S57=2     | 1536 byte dictionary selected.              |