URI: 
  TEXT View Source
       
       # MAXTECH
       
          GM144E (REV.1)
       
          Card Type                Fax, Modem (synchronous/asynchronous) 
          Chip Set                 Unidentified                          
          Maximum Data Rate        14.4Kbps                              
          Maximum Fax Rate         14.4Kbps                              
          Data Bus                 External                              
          Fax Class                Class I & II                          
          Data Modulation Protocol Bell 103/212A                         
                                                                         
                                   ITU-T V.22, V.22bis, V.32, V.32bis    
          Fax Modulation Protocol  ITU-T V.17, V.21CH2, V.27ter, V.29    
          Error                    MNP5, V.42, V.42bis                   
          Correction/Compression   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function        | Label  |   Function    |   Label   |
          |------------------------------------------------------------|
          | Line in                   |   CN1    | DC power     | CN4  |
          |---------------------------+----------+--------------+------|
          | Line out                  |   CN2    | Power switch | SW1  |
          |---------------------------+----------+--------------+------|
          | RS-232/422                |   CN3    |              |      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Setting             | Label |     Position      |
          |--------------------------------+-------+-------------------|
          | í SMART mode                   |  JP1  | Pins 2 & 3 closed |
          |--------------------------------+-------+-------------------|
          | DUMB mode                      |  JP1  | Pins 1 & 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED | Color |  Status  |             Condition             |
          |-----+-------+----------+-----------------------------------|
          | TST |  Red  |    On    |         Normal operation          |
          |-----+-------+----------+-----------------------------------|
          | TST |  Red  |  Flash   | Modem has detected and corrected  |
          |     |       |          |               error               |
          |-----+-------+----------+-----------------------------------|
          | HS  |  Red  |    On    | Modem is operating at 4800bps or  |
          |     |       |          |              faster               |
          |-----+-------+----------+-----------------------------------|
          | HS  |  Red  |   Off    | Modem is operating at slower than |
          |     |       |          |              4800bps              |
          |-----+-------+----------+-----------------------------------|
          | AA  |  Red  |    On    |        Auto-answer enabled        |
          |-----+-------+----------+-----------------------------------|
          | AA  |  Red  |   Off    |       Auto-answer disabled        |
          |-----+-------+----------+-----------------------------------|
          | AA  |  Red  | Blinking |         Phone is ringing          |
          |-----+-------+----------+-----------------------------------|
          | CD  |  Red  |    On    |      Carrier signal detected      |
          |-----+-------+----------+-----------------------------------|
          | CD  |  Red  |   Off    |    Carrier signal not detected    |
          |-----+-------+----------+-----------------------------------|
          | OH  |  Red  |    On    |         Modem is off-hook         |
          |-----+-------+----------+-----------------------------------|
          | OH  |  Red  |   Off    |         Modem is on-hook          |
          |-----+-------+----------+-----------------------------------|
          | RD  |  Red  |    On    |      Modem is receiving data      |
          |-----+-------+----------+-----------------------------------|
          | RD  |  Red  |   Off    |    Modem is not receiving data    |
          |-----+-------+----------+-----------------------------------|
          | SD  |  Red  |    On    |    Modem is transmitting data     |
          |-----+-------+----------+-----------------------------------|
          | SD  |  Red  |   Off    |  Modem is not transmitting data   |
          |-----+-------+----------+-----------------------------------|
          | TR  |  Red  |    On    |        DTR signal is high         |
          |-----+-------+----------+-----------------------------------|
          | TR  |  Red  |   Off    |         DTR signal is low         |
          |-----+-------+----------+-----------------------------------|
          | MR  |  Red  |    On    |            Power is on            |
          |-----+-------+----------+-----------------------------------|
          | MR  |  Red  |   Off    |           Power is off            |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                  ACCEPT MNP RELIABLE MODE                  |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \U [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Accept remote modem’s request for MNP       |
          |              | reliable mode                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              AUTO-RELIABLE FALLBACK CHARACTER              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %An [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-127                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used as the              |
          |              | auto-reliable fallback character; %A0 will  |
          |              | disable this function.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          AUTO-RELIABLE TIME BUFFER CONFIGURATION           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the handling of incoming data      |
          |              | during auto-reliable time period            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \C0     | Data is discarded                           |
          |--------------+---------------------------------------------|
          |     \C1      | Data is buffered                            |
          |--------------+---------------------------------------------|
          |     \C2      | Data is discarded; modem returns to normal  |
          |              | mode on receiving auto-reliable fallback    |
          |              | character.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        AUTO-RETRAIN                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %E0      | Auto-retrain disabled                       |
          |--------------+---------------------------------------------|
          |    í %E1     | Auto-retrain enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S14                   |
          |------------------------------------------------------------|
          | Format:      | AT [cmds] S14=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls echo, result codes and display,    |
          |              | dumb mode, dial mode, stored profile, and   |
          |              | answer/originate mode.                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Command echo disabled                       |
          |      |       |                                             |
          |      |   í 1 | Command echo enabled                        |
          |------+-------+---------------------------------------------|
          | 2, 1 |  í 00 | Result codes enabled                        |
          |      |       |                                             |
          |      |    01 | Result codes disabled                       |
          |      |       |                                             |
          |      |    10 | Result codes enabled in originate mode only |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Display result codes in numeric format      |
          |      |       |                                             |
          |      |   í 1 | Display result codes in verbose format      |
          |------+-------+---------------------------------------------|
          |  4   |   í 0 | Dumb mode disabled                          |
          |      |       |                                             |
          |      |     1 | Dumb mode enabled                           |
          |------+-------+---------------------------------------------|
          |  5   |   í 0 | Tone dial enabled                           |
          |      |       |                                             |
          |      |     1 | Pulse dial enabled                          |
          |------+-------+---------------------------------------------|
          |  6   |     0 | stored profile 0                            |
          |      |       |                                             |
          |      |     1 | stored profile 1                            |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Answer mode enabled                         |
          |      |       |                                             |
          |      |   í 1 | Originate mode enabled                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S16                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S16=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 23                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-55                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Grants/denies remote digital loopback;      |
          |              | controls clear down signal, auto-retrain,   |
          |              | and extended result codes.                  |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Remote digital loopback denied              |
          |      |       |                                             |
          |      |   í 1 | Remote digital loopback allowed             |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Disable clear down signal                   |
          |      |       |                                             |
          |      |   í 1 | Enable clear down signal                    |
          |------+-------+---------------------------------------------|
          |  2   |     0 | Auto-retrain disabled                       |
          |      |       |                                             |
          |      |   í 1 | Auto-retrain enabled                        |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          | 5, 4 |    00 | Extended result codes disabled /DCE speed   |
          |      |       | only                                        |
          |      |  í 01 |                                             |
          |      |       | Extended result codes/DCE speed enabled     |
          |      |    10 |                                             |
          |      |       | Extended result codes disabled /DTE speed   |
          |      |    11 | only                                        |
          |      |       |                                             |
          |      |       | Extended result codes/DTE speed enabled     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S21                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S21=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects originate-only mode, line mode,     |
          |              | CTS/DCD/DSR signals, low DTR action, and    |
          |              | the long space disconnect function.         |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Disable originate-only mode                 |
          |      |       |                                             |
          |      |     1 | Enable originate-only mode                  |
          |------+-------+---------------------------------------------|
          |  1   |   í 0 | Switched line                               |
          |      |       |                                             |
          |      |     1 | Leased-line                                 |
          |------+-------+---------------------------------------------|
          |  2   |     0 | CTS follows RTS                             |
          |      |       |                                             |
          |      |     1 | CTS forced high                             |
          |------+-------+---------------------------------------------|
          | 4, 3 |    00 | DTR signal ignored                          |
          |      |       |                                             |
          |      |    01 | Modem goes to command mode on low DTR       |
          |      |       |                                             |
          |      |    10 | Modem disconnects on low DTR; Auto-Answer   |
          |      |       | is disabled.                                |
          |      |    11 |                                             |
          |      |       | Modem is initialized on low DTR             |
          |------+-------+---------------------------------------------|
          |  5   |     0 | DCD forced high                             |
          |      |       |                                             |
          |      |   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 S22                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S22=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 118                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume and controls,       |
          |              | limits results codes, and pulse dial        |
          |              | make/break ratio.                           |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1, 0 |    00 | Low level volume                            |
          |      |       |                                             |
          |      |    01 | Low level volume                            |
          |      |       |                                             |
          |      |  í 10 | Medium level volume                         |
          |      |       |                                             |
          |      |    11 | High level volume                           |
          |------+-------+---------------------------------------------|
          | 3, 2 |    00 | Speaker off                                 |
          |      |       |                                             |
          |      |  í 01 | Speaker off on carrier                      |
          |      |       |                                             |
          |      |    10 | Speaker always on                           |
          |      |       |                                             |
          |      |    11 | Speaker on during handshake                 |
          |------+-------+---------------------------------------------|
          | 6 -  |   000 | Basic result codes only enabled             |
          |  4   |       |                                             |
          |      |   100 | Basic and connection speed result codes     |
          |      |       | enabled                                     |
          |      |   101 |                                             |
          |      |       | Basic and connection speed result codes and |
          |      |   110 | dial-tone detection enabled                 |
          |      |       |                                             |
          |      | í 111 | All result codes except dial-tone detection |
          |      |       | enabled                                     |
          |      |       |                                             |
          |      |       | All result codes enabled                    |
          |------+-------+---------------------------------------------|
          |  7   |   í 0 | 39/61ms at 10pps (North America)            |
          |      |       |                                             |
          |      |     1 | 33/67ms at 10pps (Europe)                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S23                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S23=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-186                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls DTE rate and parity, and sets      |
          |              | guard tone.                                 |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 3 -  |  0000 | Sets serial port speed to 300bps            |
          |  0   |       |                                             |
          |      |  0010 | Sets serial port speed to 1200bps           |
          |      |       |                                             |
          |      |  0011 | Sets serial port speed to 2400bps           |
          |      |       |                                             |
          |      |  0100 | Sets serial port speed to 4800bps           |
          |      |       |                                             |
          |      |     í | Sets serial port speed to 9600bps           |
          |      |  0110 |                                             |
          |      |       | Sets serial port speed to 14400bps          |
          |      |  1000 |                                             |
          |      |       | Sets serial port speed to 19200bps          |
          |      |  1001 |                                             |
          |      |       | Sets serial port speed to 28800bps          |
          |      |  1010 |                                             |
          |      |       | Sets serial port speed to 38400bps          |
          |      |  1011 |                                             |
          |      |       | Sets serial port speed to 57600bps          |
          |      |  1100 |                                             |
          |      |       | Sets serial port speed to 115200bps         |
          |      |  1101 |                                             |
          |------+-------+---------------------------------------------|
          | 5, 4 |  í 00 | Parity even                                 |
          |      |       |                                             |
          |      |    01 | Space Parity                                |
          |      |       |                                             |
          |      |    10 | Parity odd                                  |
          |      |       |                                             |
          |      |    11 | Mark or No Parity                           |
          |------+-------+---------------------------------------------|
          | 7, 6 |  í 00 | Guard tone disabled                         |
          |      |       |                                             |
          |      |    01 | Guard tone 550Hz enabled                    |
          |      |       |                                             |
          |      |    10 | Guard tone 1800Hz enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S27                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S27=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-235                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects synchronous/asynchronous mode,      |
          |              | clock source, and sets DCE speed.           |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          | 1, 0 |  í 00 | Asynchronous mode, serial port speed        |
          |      |       | follows connect speed                       |
          |      |    01 |                                             |
          |      |       | Asynchronous off-line command mode and      |
          |      |    10 | synchronous connect mode                    |
          |      |       |                                             |
          |      |    11 | Synchronous connect mode                    |
          |      |       |                                             |
          |      |       | Asynchronous off-line command mode on low   |
          |      |       | DTR, synchronous connect mode on high DTR   |
          |------+-------+---------------------------------------------|
          | 3, 2 |  í 00 | Local modem generates transmit clock source |
          |      |       |                                             |
          |      |    01 | Local DTE generates transmit clock source   |
          |      |       |                                             |
          |      |    10 | Remote DCE/DTE generates transmit clock     |
          |      |       | source                                      |
          |------+-------+---------------------------------------------|
          | 7 -  |  0000 | Sets DCE speed to 300bps                    |
          |  4   |       |                                             |
          |      |  0010 | Sets DCE speed to 1200bps                   |
          |      |       |                                             |
          |      |  0011 | Sets DCE speed to 2400bps                   |
          |      |       |                                             |
          |      |  0100 | Sets DCE speed to 4800bps                   |
          |      |       |                                             |
          |      |  0101 | Sets DCE speed to 7200bps                   |
          |      |       |                                             |
          |      |  0110 | Sets DCE speed to 9600bps                   |
          |      |       |                                             |
          |      |  0111 | Sets DCE speed to 12000bps                  |
          |      |       |                                             |
          |      |  1000 | Sets DCE speed to 14400bps                  |
          |      |       |                                             |
          |      |  1001 | Sets DCE speed to 16800bps                  |
          |      |       |                                             |
          |      |  1010 | Sets DCE speed to 19200bps                  |
          |      |       |                                             |
          |      |  1011 | Sets DCE speed to 21600bps                  |
          |      |       |                                             |
          |      |  1100 | Sets DCE speed to 24000bps                  |
          |      |       |                                             |
          |      |  1101 | Sets DCE speed to 26400bps                  |
          |      |       |                                             |
          |      |  1110 | Sets DCE speed to 28800bps                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S28                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S28=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 16                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-149                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls power-on auto-connect, security    |
          |              | call-back, auto-rate negotiation ,and DCE   |
          |              | protocol.                                   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |   í 0 | Disabled power-on auto-connect              |
          |      |       |                                             |
          |      |     1 | Enabled power-on auto-connect               |
          |------+-------+---------------------------------------------|
          | 2, 1 |  í 00 | Disabled security call-back                 |
          |      |       |                                             |
          |      |    01 | Password security check only                |
          |      |       |                                             |
          |      |    10 | Enabled security call-back                  |
          |------+-------+---------------------------------------------|
          |  3   |   í 0 | Disable auto-rate negotiation               |
          |      |       |                                             |
          |      |     1 | Enable auto-rate negotiation                |
          |------+-------+---------------------------------------------|
          | 7 -  |  0000 | ITU-T mode                                  |
          |  4   |       |                                             |
          |      |     í | Bell mode                                   |
          |      |  0001 |                                             |
          |      |       | Auto-scan mode                              |
          |      |  0010 |                                             |
          |      |       | V.23 mode                                   |
          |      |  0011 |                                             |
          |      |       | Set Connection speed to 300bps              |
          |      |  0100 |                                             |
          |      |       | Set Connection speed to 1200bps             |
          |      |  0101 |                                             |
          |      |       | Set Connection speed to 2400bps             |
          |      |  0110 |                                             |
          |      |       | Set Connection speed to 4800bps             |
          |      |  0111 |                                             |
          |      |       | Set Connection speed to 9600bps             |
          |      |  1000 |                                             |
          |      |       | Set Connection speed to 14400bps            |
          |      |  1001 |                                             |
          |      |       | Set Connection speed to 16800bps            |
          |      |  1010 |                                             |
          |      |       | Set Connection speed to 19200bps            |
          |      |  1011 |                                             |
          |      |       | Set Connection speed to 21600bps            |
          |      |  1100 |                                             |
          |      |       | Set Connection speed to 24000bps            |
          |      |  1101 |                                             |
          |      |       | Set Connection speed to 26400bps            |
          |      |  1110 |                                             |
          |      |       | Set Connection speed to 28800bps            |
          |      |  1111 |                                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK SEND                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sends break to modem                        |
          +------------------------------------------------------------+
       
          +-------------------------------------------------------------+
          |                         BREAK TYPE                          |
          |-------------------------------------------------------------|
          |Type:             |Configuration                             |
          |------------------+------------------------------------------|
          |Format:           |AT [cmds] \Kn [cmds]                      |
          |------------------+------------------------------------------|
          |Description:      |Configures action of break signal         |
          |-------------------------------------------------------------|
          | Command |Break from DTE |Break from |   Modem   |   Break   |
          |         |               |    DTE    |receives \B| received  |
          |         |      in       |           |           |from remote|
          |         |Reliable/Normal| in Direct |           |   modem   |
          |         |               |   mode    |           |           |
          |         |     mode      |           |           |           |
          |---------+---------------+-----------+-----------+-----------|
          |   \K0   |No break sent  |On-line    |Break sent |Buffers    |
          |         |to remote modem|command    |to remote  |cleared,   |
          |         |               |mode       |modem and  |break sent |
          |         |               |enabled,   |buffered   |to DTE     |
          |         |               |break sent |cleared    |           |
          |         |               |to remote  |           |           |
          |         |               |modem      |           |           |
          |---------+---------------+-----------+-----------+-----------|
          |   \K1   |Break sent to  |Send break |Break sent |Buffers    |
          |         |remote modem   |to remote  |to remote  |cleared,   |
          |         |immediately and|modem      |modem and  |break sent |
          |         |clear buffered |immediately|buffered   |to DTE     |
          |         |               |           |cleared    |           |
          |---------+---------------+-----------+-----------+-----------|
          |   \K2   |No break sent  |On-line    |Send break |Break sent |
          |         |to remote modem|command    |to remote  |immediately|
          |         |               |mode       |modem      |to DTE     |
          |         |               |enabled,   |immediately|           |
          |         |               |break sent |           |           |
          |         |               |to remote  |           |           |
          |         |               |modem      |           |           |
          |---------+---------------+-----------+-----------+-----------|
          |   \K3   |Send break to  |Send break |Send break |Break sent |
          |         |remote modem   |to remote  |to remote  |immediately|
          |         |immediately    |modem      |modem      |to DTE     |
          |         |               |immediately|immediately|           |
          |---------+---------------+-----------+-----------+-----------|
          |   \K4   |No break sent  |On-line    |Send break |Break sent |
          |         |to remote modem|command    |with       |with       |
          |         |               |mode       |transmitted|received   |
          |         |               |enabled,   |data       |data to the|
          |         |               |break sent |           |DTE        |
          |         |               |to remote  |           |           |
          |         |               |modem      |           |           |
          |---------+---------------+-----------+-----------+-----------|
          |  í \K5  |Send break with|Send break |Send break |Break sent |
          |         |transmitted    |to remote  |with       |with       |
          |         |data           |modem      |transmitted|received   |
          |         |               |immediately|data       |data to the|
          |         |               |           |           |DTE        |
          +-------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CLEAR DOWN SIGNAL                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls clear down signal                  |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |      %D0       | Disable clear down signal                 |
          |----------------+-------------------------------------------|
          |     í %D1      | Enable clear down signal                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |    í %C1     | Data compression enabled                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will operate in                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Normal mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N2      | MNP mode enabled                            |
          |--------------+---------------------------------------------|
          |     \N3      | MNP reliable mode enabled                   |
          |--------------+---------------------------------------------|
          |     \N4      | V.42 reliable mode enabled                  |
          |--------------+---------------------------------------------|
          |     \N5      | Reliable mode enabled                       |
          |--------------+---------------------------------------------|
          |    í \N6     | Auto-reliable mode enabled                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CONVERT TO MNP RELIABLE MODE                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Y  [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Converts to MNP reliable mode from normal   |
          |              | or direct mode                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COUNTRY CODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *NCn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Select country code to be used              |
          |------------------------------------------------------------|
          |        Command         |             Function              |
          |------------------------+-----------------------------------|
          |           0            | Austria                           |
          |------------------------+-----------------------------------|
          |           1            | Belgium                           |
          |------------------------+-----------------------------------|
          |           2            | Denmark                           |
          |------------------------+-----------------------------------|
          |           3            | Finland                           |
          |------------------------+-----------------------------------|
          |           4            | France                            |
          |------------------------+-----------------------------------|
          |           5            | Germany                           |
          |------------------------+-----------------------------------|
          |           6            | Ireland                           |
          |------------------------+-----------------------------------|
          |           7            | Italy                             |
          |------------------------+-----------------------------------|
          |           8            | Luxembourg                        |
          |------------------------+-----------------------------------|
          |           9            | Netherlands                       |
          |------------------------+-----------------------------------|
          |           10           | Norway                            |
          |------------------------+-----------------------------------|
          |           11           | Portugal                          |
          |------------------------+-----------------------------------|
          |           12           | Spain                             |
          |------------------------+-----------------------------------|
          |           13           | Sweden                            |
          |------------------------+-----------------------------------|
          |           14           | Switzerland                       |
          |------------------------+-----------------------------------|
          |           15           | United Kingdom                    |
          |------------------------+-----------------------------------|
          |           16           | New Zealand                       |
          |------------------------+-----------------------------------|
          |           17           | Australia                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISPLAY PASSWORD                      |
          |------------------------------------------------------------|
          | Type:         | Configuration                              |
          |---------------+--------------------------------------------|
          | Format:       | AT [cmds] \P=? [cmds]                      |
          |---------------+--------------------------------------------|
          | Description:  | Displays a password from non-volatile      |
          |               | memory                                     |
          |------------------------------------------------------------|
          | Note: NO PASSWORD SAVED is returned if no password was     |
          | saved.                                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         ECHO DATA                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to echo received data         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \E0     | Data echo disabled                          |
          |--------------+---------------------------------------------|
          |     \E1      | Data echo enabled                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects extended result codes               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \V0      | Extended result codes/DCE speed disabled    |
          |--------------+---------------------------------------------|
          |    í \V1     | Extended result codes/DCE speed enabled     |
          |--------------+---------------------------------------------|
          |     \V2      | Extended result codes/DTE speed disabled    |
          |--------------+---------------------------------------------|
          |     \V3      | Extended result codes/DTE speed enabled     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem port flow control             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \G0     | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \G1      | Flow control enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FLOW CONTROL TYPE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets type of flow control used by modem     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \Q0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \Q1      | Bi-directional XON/XOFF flow control        |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          |     \Q2      | CTS flow control by DCE enabled             |
          |--------------+---------------------------------------------|
          |    í \Q3     | Bi-directional RTS/CTS flow control enabled |
          |--------------+---------------------------------------------|
          |     \Q4      | Unidirectional XON/XOFF flow control by DCE |
          |              | enabled                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-90                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 1 minute                                    |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 INITIATE MNP RELIABLE MODE                 |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \O [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Initiates MNP reliable mode from normal or  |
          |              | direct mode                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      LOCK SERIAL PORT                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Jn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets operation of serial port speed         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \J0     | Serial speed locked                         |
          |--------------+---------------------------------------------|
          |     \J1      | Serial speed follows connect speed          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \A0      | MNP block size is 64 characters             |
          |--------------+---------------------------------------------|
          |     \A1      | MNP block size is 128 characters            |
          |--------------+---------------------------------------------|
          |     \A2      | MNP block size is 192 characters            |
          |--------------+---------------------------------------------|
          |    í \A3     | MNP block size is 256 characters            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          PASSWORD                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \P=n [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Stores a password in non-volatile memory    |
          |------------------------------------------------------------|
          | Note: Maximum of 7 characters and password is not case     |
          | sensitive.                                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   POWER-ON AUTO-CONNECT                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls power-on auto-connect              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     í %P0     | Disabled power-on auto-connect             |
          |---------------+--------------------------------------------|
          |      %P1      | Enabled power-on auto-connect              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports product identification code         |
          |--------------+---------------------------------------------|
          |      I1      | Reports ROM checksum                        |
          |--------------+---------------------------------------------|
          |      I2      | Internal memory test                        |
          |--------------+---------------------------------------------|
          |      I3      | Reports V.42bis ID                          |
          |--------------+---------------------------------------------|
          |      I4      | Reports internal ID                         |
          |--------------+---------------------------------------------|
          |     I90      | Report country code                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SECURITY CALL-BACK                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls security call-back                 |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |     í %S0      | Disabled security call-back               |
          |----------------+-------------------------------------------|
          |      %S1       | Enabled security call-back                |
          |----------------+-------------------------------------------|
          |      %S2       | Password security check only              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SWITCH TO NORMAL MODE                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Z [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Switches to normal mode from MNP mode       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION LEVEL                     |
          |------------------------------------------------------------|
          | Type        | Configuration                                |
          |-------------+----------------------------------------------|
          | Format      | AT [cmds] %Ln [cmds]                         |
          |-------------+----------------------------------------------|
          | Default     | 12                                           |
          |-------------+----------------------------------------------|
          | Range       | 0-15                                         |
          |-------------+----------------------------------------------|
          | Unit        | -1 dBm                                       |
          |-------------+----------------------------------------------|
          | Description | Sets the signal level for transmission       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   XON/XOFF PASS-THROUGH                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Xn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether XON/XOFF signals are sent   |
          |              | to remote modem                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \X0     | XON/XOFF signals trapped by local modem     |
          |--------------+---------------------------------------------|
          |     \X1      | XON/XOFF passed through local modem         |
          +------------------------------------------------------------+