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       # ANGIA COMMUNICATIONS, INC.
       
          SAFEJACK 28.8
       
          Card Type              Modem (synchronous/asynchronous)        
          Chipset                AT & T HSM288xCF                        
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103A/212A                          
                                                                         
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34                           
                                                                         
                                 AT&T V.32terbo                          
          Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               PCMCIA Type II                          
       
                                                                   53158
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, D, E, H, L, M, N, P, Q, T, V, W, X, Y, 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, \N, \Q, \T, \V, \X                     |
          |------------------------------------------------------------|
          | %A, %C, %G                                                 |
          |------------------------------------------------------------|
          |                    Special AT Commands                     |
          |------------------------------------------------------------|
          | -J, "O                                                     |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S14, S16, S18, S21, S22, S23, S24, S25                     |
          |------------------------------------------------------------|
          | S26, S27, S30, S48                                         |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |              AUTO-RELIABLE FALLBACK CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S43=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 13                                          |
          |--------------+---------------------------------------------|
          | 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 auto-reliable time period.           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í 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 HDLC ADDRESS                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S20=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the HDLC address and bisync 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, 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 detect disabled.               |
          |      |       |                                             |
          |      |     1 | HDLC address detect 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.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S40                   |
          |------------------------------------------------------------|
          | Format:           | AT [cmds] S40=n [cmds]                 |
          |-------------------+----------------------------------------|
          | Default:          | 77                                     |
          |-------------------+----------------------------------------|
          | Range:            | 12 - 77                                |
          |-------------------+----------------------------------------|
          | Description:      | Controls automode and V.42 detection.  |
          |------------------------------------------------------------|
          |    Bit    |    Value    |             Function             |
          |-----------+-------------+----------------------------------|
          |     0     |           0 | Automode detection disabled.     |
          |           |             |                                  |
          |           |         í 1 | Automode detection enabled.      |
          |------------------------------------------------------------|
          |     5 - 1     |        00110 | Not used.                   |
          |---------------+--------------+-----------------------------|
          |       6       |            0 | V.42 detection disabled.    |
          |               |              |                             |
          |               |          í 1 | V.42 detection 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:       | 3                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 115                                   |
          |----------------+-------------------------------------------|
          | Description:   | Controls flow control, serial port speed, |
          |                | and XON/XOFF trapping.                    |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |   1, 0   |    00 | Flow control disabled.                  |
          |          |       |                                         |
          |          |    01 | Bidirectional XON/XOFF flow control     |
          |          |       | enabled.                                |
          |          |    10 |                                         |
          |          |       | CTS flow control by DCE enabled.        |
          |          |  í 11 |                                         |
          |          |       | Bidirectional RTS/CTS flow control      |
          |          |       | enabled.                                |
          |------------------------------------------------------------|
          |    3, 2     |   í | Not used.                              |
          |             |  00 |                                        |
          |-------------+-----+----------------------------------------|
          |      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.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S54                   |
          |------------------------------------------------------------|
          | Format:           | AT [cmds] S54=n [cmds]                 |
          |-------------------+----------------------------------------|
          | Default:          | 0                                      |
          |-------------------+----------------------------------------|
          | Range:            | 0 - 129                                |
          |-------------------+----------------------------------------|
          | Description:      | Controls V.23 direction and extended   |
          |                   | result codes.                          |
          |------------------------------------------------------------|
          |    Bit    |  Value   |              Function               |
          |-----------+----------+-------------------------------------|
          |     0     |      í 0 | Modem will use 75/1200bps for V.23  |
          |           |          | mode.                               |
          |           |        1 |                                     |
          |           |          | Modem will use 1200/75bps for V.23  |
          |           |          | mode.                               |
          |------------------------------------------------------------|
          |     6 - 1     | 000000 | Not used.                         |
          |---------------+--------+-----------------------------------|
          |       7       |    í 0 | Error correction and compression  |
          |               |        | extended result codes disabled.   |
          |               |      1 |                                   |
          |               |        | Error correction extended result  |
          |               |        | codes enabled.                    |
          +------------------------------------------------------------+
       
         +----------------------------------------------------------------+
         |                           BREAK TYPE                           |
         |----------------------------------------------------------------|
         |Type:             |Configuration                                |
         |------------------+---------------------------------------------|
         |Format:           |AT [cmds] \Kn [cmds]                         |
         |------------------+---------------------------------------------|
         |Description:      |Configures action of break signal            |
         |----------------------------------------------------------------|
         | Command |Break from DTE | Break from |   Modem    | Break from |
         |         |               |    DTE     |receives \B |remote modem|
         |         |Reliable/Normal|            |            |            |
         |         |     mode      |Direct mode |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K0   |Enter command  |Send break  |Buffers     |Buffers     |
         |         |mode, do not   |to remote   |cleared and |cleared and |
         |         |send break to  |modem       |break sent  |break sent  |
         |         |remote modem.  |immediately,|to remote   |to DTE.     |
         |         |               |then enter  |modem.      |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K1   |Buffers cleared|Send break  |Buffers     |Buffers     |
         |         |and break sent |to remote   |cleared and |cleared and |
         |         |to remote      |modem       |break sent  |break sent  |
         |         |modem.         |immediately.|to remote   |to DTE.     |
         |         |               |            |modem.      |            |
         |---------+---------------+------------+------------+------------|
         |   \K2   |Enter command  |Send break  |Send break  |Send break  |
         |         |mode, do not   |to remote   |to remote   |to DTE      |
         |         |send break to  |modem       |modem       |immediately.|
         |         |remote modem.  |immediately,|immediately.|            |
         |         |               |then enter  |            |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K3   |Send break to  |Send break  |Send break  |Send break  |
         |         |remote modem   |to remote   |to remote   |to DTE      |
         |         |immediately.   |modem       |modem       |immediately.|
         |         |               |immediately.|immediately.|            |
         |---------+---------------+------------+------------+------------|
         |   \K4   |Enter command  |Send break  |Send break  |Break sent  |
         |         |mode, do not   |to remote   |to remote   |with        |
         |         |send break to  |modem       |modem with  |received    |
         |         |remote modem.  |immediately,|transmitted |data to the |
         |         |               |then enter  |data.       |DTE.        |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |   \K5   |Send break with|Send break  |Send break  |Break sent  |
         |         |transmitted    |to remote   |to remote   |with        |
         |         |data.          |modem       |modem with  |received    |
         |         |               |immediately.|transmitted |data to the |
         |         |               |            |data.       |DTE.        |
         +----------------------------------------------------------------+
       
         +----------------------------------------------------------------+
         |                           BREAK TYPE                           |
         |----------------------------------------------------------------|
         |Type:             |Register                                     |
         |------------------+---------------------------------------------|
         |Format:           |AT [cmds] S52=n [cmds]                       |
         |------------------+---------------------------------------------|
         |Description:      |Configures action of break signal            |
         |----------------------------------------------------------------|
         | Command |Break from DTE | Break from |   Modem    | Break from |
         |         |               |    DTE     |receives \B |remote modem|
         |         |Reliable/Normal|            |            |            |
         |         |     mode      |Direct mode |            |            |
         |---------+---------------+------------+------------+------------|
         |  S52=0  |Enter command  |Send break  |Buffers     |Buffers     |
         |         |mode, do not   |to remote   |cleared and |cleared and |
         |         |send break to  |modem       |break sent  |break sent  |
         |         |remote modem.  |immediately,|to remote   |to DTE.     |
         |         |               |then enter  |modem.      |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |  S52=1  |Buffers cleared|Send break  |Buffers     |Buffers     |
         |         |and break sent |to remote   |cleared and |cleared and |
         |         |to remote      |modem       |break sent  |break sent  |
         |         |modem.         |immediately.|to remote   |to DTE.     |
         |         |               |            |modem.      |            |
         |---------+---------------+------------+------------+------------|
         |  S52=2  |Enter command  |Send break  |Send break  |Send break  |
         |         |mode, do not   |to remote   |to remote   |to DTE      |
         |         |send break to  |modem       |modem       |immediately.|
         |         |remote modem.  |immediately,|immediately.|            |
         |         |               |then enter  |            |            |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |  S52=3  |Send break to  |Send break  |Send break  |Send break  |
         |         |remote modem   |to remote   |to remote   |to DTE      |
         |         |immediately.   |modem       |modem       |immediately.|
         |         |               |immediately.|immediately.|            |
         |---------+---------------+------------+------------+------------|
         |  S52=4  |Enter command  |Send break  |Send break  |Break sent  |
         |         |mode, do not   |to remote   |to remote   |with        |
         |         |send break to  |modem       |modem with  |received    |
         |         |remote modem.  |immediately,|transmitted |data to the |
         |         |               |then enter  |data.       |DTE.        |
         |         |               |command     |            |            |
         |         |               |mode.       |            |            |
         |---------+---------------+------------+------------+------------|
         |  S52=5  |Send break with|Send break  |Send break  |Break sent  |
         |         |transmitted    |to remote   |to remote   |with        |
         |         |data.          |modem       |modem with  |received    |
         |         |               |immediately.|transmitted |data to the |
         |         |               |            |data.       |DTE.        |
         +----------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     BTLZ STRING LENGTH                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S58=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 32                                          |
          |--------------+---------------------------------------------|
          | Range:       | 6 - 64                                      |
          |--------------+---------------------------------------------|
          | Unit:        | 1 byte                                      |
          |--------------+---------------------------------------------|
          | Description: | Selects BTLZ string length.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for data |
          |              | calls.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | Modem will use ITU-T V.22 at 1200bps.       |
          |--------------+---------------------------------------------|
          |     í B1     | Modem will use Bell 212A at 1200bps.        |
          |--------------+---------------------------------------------|
          |      B2      | Modem will use ITU-T V.23 at 75/1200bps.    |
          |--------------+---------------------------------------------|
          |      B3      | Modem will use ITU-T V.23 at 1200/75bps.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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 reports ROM checksum.             |
          |--------------+---------------------------------------------|
          |      I3      | Displays ROM component information.         |
          |--------------+---------------------------------------------|
          |      I4      | Displays modem features.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DISPLAY FIRMWARE REVISION                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -V [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays the current firmware revision.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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.                                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S41=0    | Enables CONNECT result codes to report DTE  |
          |              | speed.                                      |
          |--------------+---------------------------------------------|
          |    S41=1     | Enables CONNECT result codes to report DTE  |
          |              | speed with all protocol and compression     |
          |              | codes.                                      |
          |--------------+---------------------------------------------|
          |    S41=2     | Enables CONNECT result codes to report DCE  |
          |              | speed.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE SPEED                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshaking process.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S37=0    | Speed of last connection                    |
          |--------------+---------------------------------------------|
          |    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.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  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. (con’t)              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |      LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON’T)       |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     S72=11     | Set speed to 19.2Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=12     | Set speed to 21.6Kbps.                    |
          |----------------+-------------------------------------------|
          |     S72=13     | Set speed to 24Kbps.                      |
          |----------------+-------------------------------------------|
          |     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.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            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.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      ROUND TRIP DELAY                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S65=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Read-only                                   |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | The function of this register is            |
          |              | unidentified.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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 WITH POWER-DOWN                 |
          |------------------------------------------------------------|
          | 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 initiating power-down      |
          |              | sleep mode. Setting S47 to 255 disables     |
          |              | this feature.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRELLIS CODING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem will use trellis  |
          |              | coding.                                     |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |         í &U0         | Trellis coding enabled.            |
          |-----------------------+------------------------------------|
          |          &U1          | Trellis coding disabled.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    V.32 - AUTO-RETRAIN                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain function if poor line |
          |              | quality is detected.                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &B0      | Auto-retrain disabled, modem hangs up.      |
          |--------------+---------------------------------------------|
          |    í &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                   |
          |--------------+---------------------------------------------|
          |    S42=0     | Auto-retrain disabled, modem hangs up.      |
          |--------------+---------------------------------------------|
          |   í S42=1    | Auto-retrain enabled, modem hangs up if     |
          |              | retrain fails.                              |
          |--------------+---------------------------------------------|
          |    S42=2     | Auto-retrain disabled, modem does not hang  |
          |              | up.                                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  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.              |