URI: 
  TEXT View Source
       
       # POWERCOM AMERICA, INC.
       
          PM3314E
       
          Card Type              Modem (asynchronous/synchronous)        
          Chipset                Unidentified                            
          Maximum Data Rate      33.6Kbps                                
          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                           
          Fax Modulation         Unidentified                            
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Unidentified                            
          Data Bus               Serial                                  
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Function        | Label |     Function      | Label |
          |------------------------+-------+-------------------+-------|
          | Telephone line in      |  CN1  | DC power in       |  CN4  |
          |------------------------+-------+-------------------+-------|
          | Telephone line out     |  CN2  | Power switch      |  SW1  |
          |------------------------+-------+-------------------+-------|
          | Serial port            |  CN3  |                   |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | í AT command set enabled               |  JP1  |   Open    |
          |----------------------------------------+-------+-----------|
          | AT command set disabled                |  JP1  |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |   LED   |    Color     |  Status  |       Condition        |
          |---------+--------------+----------+------------------------|
          |   TST   | Unidentified | Blinking |  Data error detected   |
          |---------+--------------+----------+------------------------|
          |   TST   | Unidentified |   Off    |     Data error not     |
          |         |              |          |        detected        |
          |---------+--------------+----------+------------------------|
          |   AA    | Unidentified |    On    |  Auto-answer enabled   |
          |---------+--------------+----------+------------------------|
          |   AA    | Unidentified |   Off    |  Auto-answer disabled  |
          |---------+--------------+----------+------------------------|
          |   AA    | Unidentified | Blinking |    Phone is ringing    |
          |---------+--------------+----------+------------------------|
          |   CD    | Unidentified |    On    |     Carrier signal     |
          |         |              |          |        detected        |
          |---------+--------------+----------+------------------------|
          |   CD    | Unidentified |   Off    |   Carrier signal not   |
          |         |              |          |        detected        |
          |---------+--------------+----------+------------------------|
          |   CD    | Unidentified | Blinking |  Modem is retraining   |
          |---------+--------------+----------+------------------------|
          |   OH    | Unidentified |    On    |   Modem is off-hook    |
          |---------+--------------+----------+------------------------|
          |   OH    | Unidentified |   Off    |    Modem is on-hook    |
          |---------+--------------+----------+------------------------|
          |   RD    | Unidentified |    On    |   Modem is receiving   |
          |         |              |          |          data          |
          |---------+--------------+----------+------------------------|
          |   RD    | Unidentified |   Off    | Modem is not receiving |
          |         |              |          |          data          |
          |---------+--------------+----------+------------------------|
          |   SD    | Unidentified |    On    | Modem is transmitting  |
          |         |              |          |          data          |
          |---------+--------------+----------+------------------------|
          |   SD    | Unidentified |   Off    |      Modem is not      |
          |         |              |          |   transmitting data    |
          |---------+--------------+----------+------------------------|
          |   TR    | Unidentified |    On    |   DTR signal is high   |
          |---------+--------------+----------+------------------------|
          |   TR    | Unidentified |   Off    |   DTR signal is low    |
          |---------+--------------+----------+------------------------|
          |   MR    | Unidentified |    On    |      Power is on       |
          |---------+--------------+----------+------------------------|
          |   MR    | Unidentified |   Off    |      Power is off      |
          |---------+--------------+----------+------------------------|
          |   MR    | Unidentified | Blinking |  Modem is performing   |
          |         |              |          |       self-test        |
          |---------+--------------+----------+------------------------|
          | H Color |   M Color    | L Color  |       Condition        |
          |---------+--------------+----------+------------------------|
          |   Off   |     Off      |   Off    | Modem is connected at  |
          |         |              |          |         300bps         |
          |---------+--------------+----------+------------------------|
          |   Off   |     Off      |   Red    | Modem is connected at  |
          |         |              |          |        1200bps         |
          |---------+--------------+----------+------------------------|
          |   Off   |     Red      |   Off    | Modem is connected at  |
          |         |              |          |        2400bps         |
          |---------+--------------+----------+------------------------|
          |   Off   |     Red      |   Red    | Modem is connected at  |
          |         |              |          |        4800bps         |
          |---------+--------------+----------+------------------------|
          |   Red   |     Off      |   Off    | Modem is connected at  |
          |         |              |          |        7200bps         |
          |---------+--------------+----------+------------------------|
          |   Red   |     Off      |   Red    | Modem is connected at  |
          |         |              |          |        9600bps         |
          |---------+--------------+----------+------------------------|
          |   Red   |     Red      |   Off    | Modem is connected at  |
          |         |              |          |         12Kbps         |
          |---------+--------------+----------+------------------------|
          |   Red   |     Red      |   Red    | Modem is connected at  |
          |         |              |          |        14.4Kbps        |
          |---------+--------------+----------+------------------------|
          |   Off   |    Green     |   Off    | Modem is connected at  |
          |         |              |          |        16.8Kbps        |
          |---------+--------------+----------+------------------------|
          |   Off   |    Green     |  Green   | Modem is connected at  |
          |         |              |          |        19.2Kbps        |
          |---------+--------------+----------+------------------------|
          |  Green  |     Off      |   Off    | Modem is connected at  |
          |         |              |          |        21.6Kbps        |
          |---------+--------------+----------+------------------------|
          |  Green  |     Off      |  Green   | Modem is connected at  |
          |         |              |          |         24Kbps         |
          |---------+--------------+----------+------------------------|
          |  Green  |    Green     |   Off    | Modem is connected at  |
          |         |              |          |        26.4Kbps        |
          |---------+--------------+----------+------------------------|
          |  Green  |    Green     |  Green   | Modem is connected at  |
          |         |              |          |        28.8Kbps        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, B, D, E, H, L, M, O, Q, V, W, X, Y, Z                   |
          |------------------------------------------------------------|
          | &C, &D, &F, &G, &K, &L, &P, &Q, &R, &S, &T, &V, &W, &X,    |
          | &Y, &Z                                                     |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \C, \J, \N, \Q, \T, \V, \X                         |
          |------------------------------------------------------------|
          | %A, %C                                                     |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S16, S18, S22, S25, S26, S36, S38, S48                     |
          |------------------------------------------------------------|
          | S82, S95                                                   |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          |                                                            |
          |      The standard S36, S38, and S48 commands listed above  |
          |      are only valid for V.42/V.42bis mode. For the MNP     |
          |      versions of these registers, please see the           |
          |      Proprietary AT Command Set section.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   UNIDENTIFIED COMMANDS                    |
          |------------------------------------------------------------|
          |           Command            |           Default           |
          |------------------------------+-----------------------------|
          |              %P              |              0              |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |              AUTO-RELIABLE FALLBACK CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S37=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 127                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 ASCII character                           |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used as the              |
          |              | auto-reliable fallback character; setting   |
          |              | S37 to 0 will disable this function.        |
          |--------------+---------------------------------------------|
          | Note:        | This register is only valid for MNP mode.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S14=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | N/A                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Description: | Reports setting of JP1, and controls echo,  |
          |              | result codes and display, dial mode, and    |
          |              | answer/originate mode.                      |
          |--------------+---------------------------------------------|
          | Note:        | Bit 4 is read-only.                         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | V.42 result codes disabled.                 |
          |      |       |                                             |
          |      |     1 | V.42 result codes enabled.                  |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Command echo disabled.                      |
          |      |       |                                             |
          |      |   í 1 | Command echo enabled.                       |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | Result codes enabled.                       |
          |      |       |                                             |
          |      |     1 | Result codes disabled.                      |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Display result codes in numeric format.     |
          |      |       |                                             |
          |      |   í 1 | Display result codes in verbose format.     |
          |------+-------+---------------------------------------------|
          |  4   |     0 | Jumper JP1 is open.                         |
          |      |       |                                             |
          |      |     1 | Jumper JP1 is closed.                       |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Tone dial enabled.                          |
          |      |       |                                             |
          |      |     1 | Pulse dial enabled.                         |
          |------+-------+---------------------------------------------|
          |  6   |   í 0 | Modem defaults to profile 0 on power-up.    |
          |      |       |                                             |
          |      |     1 | Modem defaults to profile 1 on power-up.    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Answer mode enabled.                        |
          |      |       |                                             |
          |      |   í 1 | Originate mode enabled.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S21=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 48                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 254                                     |
          |--------------+---------------------------------------------|
          | Description: | Selects line type, CTS/DCD/DSR signals, low |
          |              | DTR action, and the long space disconnect   |
          |              | function.                                   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used.                                   |
          |------+-------+---------------------------------------------|
          |  1   |   í 0 | Modem is connected to switched line.        |
          |      |       |                                             |
          |      |     1 | Modem is connected to leased line.          |
          |------+-------+---------------------------------------------|
          |  2   |   í 0 | CTS follows RTS.                            |
          |      |       |                                             |
          |      |     1 | CTS forced high.                            |
          |------+-------+---------------------------------------------|
          | 4, 3 |    00 | DTR signal ignored.                         |
          |      |       |                                             |
          |      |    01 | Modem goes to command mode on low DTR.      |
          |      |       |                                             |
          |      |  í 10 | Modem disconnects on low DTR; Auto-Answer   |
          |      |       | is disabled.                                |
          |      |    11 |                                             |
          |      |       | Modem is initialized on low DTR.            |
          |------+-------+---------------------------------------------|
          |  5   |     0 | DCD forced high.                            |
          |      |       |                                             |
          |      |   í 1 | DCD normal.                                 |
          |------+-------+---------------------------------------------|
          |  6   |   í 0 | DSR forced high.                            |
          |      |       |                                             |
          |      |     1 | DSR normal.                                 |
          |------+-------+---------------------------------------------|
          |  7   |   í 0 | Long space disconnect function disabled.    |
          |      |       |                                             |
          |      |     1 | Long space disconnect function enabled.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S23                   |
          |------------------------------------------------------------|
          | Format        | AT [cmds] S23=n [cmds]                     |
          |---------------+--------------------------------------------|
          | Default:      | Unidentified                               |
          |---------------+--------------------------------------------|
          | Range:        | 0 - 60                                     |
          |---------------+--------------------------------------------|
          | Description:  | Controls DTE rate and parity.              |
          |---------------+--------------------------------------------|
          |  Bit  | Value |                  Function                  |
          |-------+-------+--------------------------------------------|
          | 3 - 0 |  0000 | Sets serial port speed to 110bps.          |
          |       |       |                                            |
          |       |  0001 | Sets serial port speed to 300bps.          |
          |       |       |                                            |
          |       |  0010 | Sets serial port speed to 600bps.          |
          |       |       |                                            |
          |       |  0011 | Sets serial port speed to 1200bps.         |
          |       |       |                                            |
          |       |  0100 | Sets serial port speed to 2400bps.         |
          |       |       |                                            |
          |       |  0101 | Sets serial port speed to 4800bps.         |
          |       |       |                                            |
          |       |  0110 | Sets serial port speed to 9600bps.         |
          |       |       |                                            |
          |       |  0111 | Sets serial port speed to 14.4Kbps.        |
          |       |       |                                            |
          |       |  1000 | Sets serial port speed to 19.2Kbps.        |
          |       |       |                                            |
          |       |  1001 | Sets serial port speed to 38.4Kbps.        |
          |       |       |                                            |
          |       |  1010 | Sets serial port speed to 57.6Kbps.        |
          |       |       |                                            |
          |       |  1011 | Sets serial port speed to 76.8Kbps.        |
          |       |       |                                            |
          |       |  1100 | Sets serial port speed to 115.2Kbps.       |
          |-------+-------+--------------------------------------------|
          | 5, 4  |    00 | Use even parity.                           |
          |       |       |                                            |
          |       |    01 | Use SPACE parity.                          |
          |       |       |                                            |
          |       |    10 | Use odd parity.                            |
          |       |       |                                            |
          |       |    11 | Use MARK or no parity.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S27                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S27=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 111                                     |
          |--------------+---------------------------------------------|
          | Description: | Selects synchronous/asynchronous mode, line |
          |              | type, clock source, and ITU-T/Bell modes.   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 2 -  |   000 | Asynchronous mode, serial port speed        |
          |  0   |       | follows connect speed.                      |
          |      |   001 |                                             |
          |      |       | Asynchronous off-line command mode and      |
          |      |   010 | synchronous connect mode.                   |
          |      |       |                                             |
          |      |   011 | Synchronous command and connect mode.       |
          |      |       |                                             |
          |      |   101 | Synchronous connect mode, command mode      |
          |      |       | disabled.                                   |
          |      |       |                                             |
          |      |       | Error correction mode.                      |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Not used.                                   |
          |------+-------+---------------------------------------------|
          | 5, 4 |    00 | Local modem generates transmit clock        |
          |      |       | source.                                     |
          |      |    01 |                                             |
          |      |       | Local DTE generates transmit clock source.  |
          |      |    10 |                                             |
          |      |       | Remote DCE/DTE generates transmit clock     |
          |      |       | source.                                     |
          |------+-------+---------------------------------------------|
          | 7, 6 |    00 | Modem will use ITU-T V.22 at 1200bps.       |
          |      |       |                                             |
          |      |    01 | Modem will use Bell 212A at 1200bps.        |
          |      |       |                                             |
          |      |    10 | Modem will use ITU-T V.23 at 1200bps.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S28                   |
          |------------------------------------------------------------|
          | Format:         | AT [cmds] S28=n [cmds]                   |
          |-----------------+------------------------------------------|
          | Default:        | Unidentified                             |
          |-----------------+------------------------------------------|
          | Range:          | 0 - 27                                   |
          |-----------------+------------------------------------------|
          | Description:    | Controls line speed and the unidentified |
          |                 | function set by the %P command.          |
          |------------------------------------------------------------|
          |   Bit    |  Value  |               Function                |
          |----------+---------+---------------------------------------|
          |    0     |       0 | Set %P0.                              |
          |          |         |                                       |
          |          |       1 | Set %P1.                              |
          |------------------------------------------------------------|
          |    4 - 1    |  0000 | Connect at 300bps.                   |
          |             |       |                                      |
          |             |  0001 | Connect at 1200bps.                  |
          |             |       |                                      |
          |             |  0010 | Connect at 2400bps.                  |
          |             |       |                                      |
          |             |  0011 | Connect at 4800bps.                  |
          |             |       |                                      |
          |             |  0100 | Connect at 7200bps.                  |
          |             |       |                                      |
          |             |  0101 | Connect at 9600bps.                  |
          |             |       |                                      |
          |             |  0110 | Connect at 12Kbps.                   |
          |             |       |                                      |
          |             |  0111 | Connect at 14.4Kbps.                 |
          |             |       |                                      |
          |             |  1000 | Connect at 16.8Kbps.                 |
          |             |       |                                      |
          |             |  1001 | Connect at 19.2Kbps.                 |
          |             |       |                                      |
          |             |  1010 | Connect at 21.6Kbps.                 |
          |             |       |                                      |
          |             |  1011 | Connect at 24Kbps.                   |
          |             |       |                                      |
          |             |  1100 | Connect at 26.4Kbps.                 |
          |             |       |                                      |
          |             |  1101 | Connect at 28.8Kbps.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S36                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S36=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 137                                       |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 203                                   |
          |----------------+-------------------------------------------|
          | Description:   | Controls connect mode, XON/XOFF           |
          |                | pass-through, and flow control type.      |
          |----------------+-------------------------------------------|
          | Note:          | This register is only valid for MNP mode. |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |   1, 0   |    00 | Normal mode enabled.                    |
          |          |       |                                         |
          |          |  í 01 | Direct mode enabled.                    |
          |          |       |                                         |
          |          |    10 | MNP reliable mode enabled.              |
          |          |       |                                         |
          |          |    11 | Auto-reliable mode enabled.             |
          |------------------------------------------------------------|
          |      2      |   0 | Not used.                              |
          |-------------+-----+----------------------------------------|
          |      3      |   0 | XON/XOFF signals trapped by local      |
          |             |     | modem.                                 |
          |             | í 1 |                                        |
          |             |     | XON/XOFF passed through local modem.   |
          |-------------+-----+----------------------------------------|
          |    5 - 4    |  00 | Not used.                              |
          |-------------+-----+----------------------------------------|
          |    7, 6     |  00 | Flow control disabled.                 |
          |             |     |                                        |
          |             |  01 | Bidirectional XON/XOFF flow control    |
          |             |     | enabled.                               |
          |             |   í |                                        |
          |             |  10 | CTS flow control by DCE enabled.       |
          |             |     |                                        |
          |             |  11 | Bidirectional RTS/CTS flow control     |
          |             |     | enabled.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S38                   |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] S38=n [cmds]                    |
          |----------------+-------------------------------------------|
          | Default:       | 4                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 22                                    |
          |----------------+-------------------------------------------|
          | Description:   | Controls the auto-reliable time buffer,   |
          |                | serial port speed buffering, and error    |
          |                | correction and compression result codes.  |
          |----------------+-------------------------------------------|
          | Note:          | This register is only valid for MNP mode. |
          |------------------------------------------------------------|
          |   Bit    | Value |                Function                 |
          |----------+-------+-----------------------------------------|
          |   1, 0   |  í 00 | Incoming data during the auto-reliable  |
          |          |       | time is discarded.                      |
          |          |    01 |                                         |
          |          |       | Incoming data during the auto-reliable  |
          |          |    10 | time is buffered for 4 seconds or 200   |
          |          |       | characters.                             |
          |          |       |                                         |
          |          |       | Incoming data during the auto-reliable  |
          |          |       | time is discarded; modem returns to     |
          |          |       | normal mode on receiving auto-reliable  |
          |          |       | fallback character.                     |
          |------------------------------------------------------------|
          |      2      |    0 | Serial port speed locked.             |
          |             |      |                                       |
          |             |  í 1 | Serial port speed follows connect     |
          |             |      | speed.                                |
          |-------------+------+---------------------------------------|
          |      3      |    0 | Not used.                             |
          |-------------+------+---------------------------------------|
          |      4      |  í 0 | Error correction and compression      |
          |             |      | extended result codes disabled.       |
          |             |    1 |                                       |
          |             |      | Error correction extended result      |
          |             |      | codes enabled.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for      |
          |              | low-speed data calls.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |     í B0     | Modem will use ITU-T V.22 at 1200bps.       |
          |--------------+---------------------------------------------|
          |      B1      | Modem will use Bell 212A at 1200bps.        |
          |--------------+---------------------------------------------|
          |      B2      | Modem will use ITU-T V.23 at 1200bps.       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S41=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression.                   |
          |--------------+---------------------------------------------|
          | Note:        | This register is only valid for MNP mode.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í S41=0    | Data compression disabled.                  |
          |--------------+---------------------------------------------|
          |    S41=1     | Data compression 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.     |
          |--------------+---------------------------------------------|
          |      I6      | Displays firmware revision.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S39=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects.                                |
          |--------------+---------------------------------------------|
          | Note:        | This register is only valid for MNP mode.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE SPEED                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the speed the modem will attempt to |
          |              | connect at.                                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &N0      | Attempt to connect at speed of last AT      |
          |              | command.                                    |
          |--------------+---------------------------------------------|
          |     &N1      | Connect at 300bps.                          |
          |--------------+---------------------------------------------|
          |     &N2      | Connect at 1200bps.                         |
          |--------------+---------------------------------------------|
          |     &N3      | Connect at 2400bps.                         |
          |--------------+---------------------------------------------|
          |     &N4      | Connect at 4800bps.                         |
          |--------------+---------------------------------------------|
          |     &N5      | Connect at 7200bps.                         |
          |--------------+---------------------------------------------|
          |     &N6      | Connect at 9600bps.                         |
          |--------------+---------------------------------------------|
          |     &N7      | Connect at 12Kbps.                          |
          |--------------+---------------------------------------------|
          |     &N8      | Connect at 14.4Kbps.                        |
          |--------------+---------------------------------------------|
          |     &N9      | Connect at 16.8Kbps.                        |
          |--------------+---------------------------------------------|
          |     &N10     | Connect at 19.2Kbps.                        |
          |--------------+---------------------------------------------|
          |     &N11     | Connect at 21.6Kbps.                        |
          |--------------+---------------------------------------------|
          |     &N12     | Connect at 24Kbps.                          |
          |--------------+---------------------------------------------|
          |     &N13     | Connect at 26.4Kbps.                        |
          |--------------+---------------------------------------------|
          |     &N14     | Connect at 28.8Kbps.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S40=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |              | in MNP mode.                                |
          |--------------+---------------------------------------------|
          | Note:        | This register is only valid for MNP mode.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S40=0     | Maximum MNP block size is 64 characters.    |
          |--------------+---------------------------------------------|
          |    S40=1     | Maximum MNP block size is 128 characters.   |
          |--------------+---------------------------------------------|
          |    S40=2     | Maximum MNP block size is 192 characters.   |
          |--------------+---------------------------------------------|
          |   í S40=3    | Maximum MNP block size is 256 characters.   |
          +------------------------------------------------------------+