
PURE DATA, LTD.

PDMCIA-V.32BIS

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             9600bps
Data Bus                     PCMCIA
Fax Class                    Class I
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol      ITU-T V.21CH.2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                                                                      V1550

                         Proprietary AT Command Set

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:              Configuration

  Format:            AT [cmds] %An [cmds]

  Example:           AT%A20<CR>

  Default:           Unidentified

  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] &On [cmds]

  Example:       AT &O1 &Q4<CR>

  Description:   Controls the handling of incoming data during
                 auto-reliable time period.

  Command                                Function

      &O0        Data is discarded.

      &O1        Data is buffered.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:             Configuration

  Format:           AT [cmds] \Cn [cmds]

  Example:          AT \C1 \B<CR>

  Description:      Controls the handling of incoming data during
                    auto-reliable time period.

      Command                             Function

        \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]

  Example:       AT &E0 H1<CR>

  Description:   Selects auto-retrain mode.

  Command                                Function

      &E0        Auto-retrain disabled.

      &E1        Auto-retrain enabled.

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT [cmd] %En [cmd]

  Example:       AT %E1 <CR>

  Description:   Selects auto-retrain mode.

    Command                              Function

      %E0        Auto-retrain disabled.

      %E1        Auto-retrain enabled.

                          BIT-MAPPED REGISTER S14

  Format                    AT [cmds] S14? [cmds]

  Example:                  ATS14?<CR>

  Default:                  Read only

  Range:                    0-255

  Unit:                     Bit-mapped

  Description:              Reports echo, result codes, result code
                            display, dumb mode, dial mode, and
                            answer/originate mode.

       Bit          Value                       Meaning

        0              0       Not used.

        1               0      Command echo disabled.

                       1       Command echo enabled.

        2               0      Result codes enabled.

                       1       Result codes disabled.

        3               0      Display result codes in numeric format.

                       1       Display result codes in verbose format.

        4               0      Dumb mode disabled.

                       1       Dumb mode enabled.

        5               0      Tone dial enabled.

                       1       Pulse dial enabled.

        6              0       Not used.

        7               0      Answer mode enabled.

                       1       Originate mode enabled.

                          BIT-MAPPED REGISTER S21

  Format                     AT [cmds] S21? [cmds]

  Example:                   ATS21?<CR>

  Default:                   Read only

  Range:                     0 - 255

  Unit:                      Bit-mapped

  Description:               Reports jack type, CTS signal, low DTR
                             action, DCD signal, DSR signal, and the Long
                             Space Disconnect function.

        Bit           Value                      Meaning

         0               0      Selects RJ-11, RJ-41S, or RJ45S jack.

                        1       Selects RJ-12 or RJ-13 jack.

         1              0       Not used.

         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.

                        1       DCD normal.

         6               0      DSR forced high.

                        1       DSR normal.

         7               0      Long Space Disconnect function disabled.

                        1       Long Space Disconnect function enabled.

                          BIT-MAPPED REGISTER S22

  Format                    AT [cmds] S22? [cmds]

  Example:                  ATS22?<CR>

  Default:                  Read only

  Range:                    0-255

  Unit:                     Bit-mapped

  Description:              Reports speaker volume and controls, limits
                            results codes and make-break ratio.

       Bit           Value                       Meaning

       1, 0            00       Off volume.

                       01       On volume.

                       10       Medium level volume.

                       11       High level volume.

       3, 2            00       Speaker off.

                       01       Speaker off on carrier.

                       10       Speaker always on.

                       11       Speaker on during handshake.

     6, 5, 4           000      Basic result codes only enabled.

                       001      Basic and connection speed result codes
                                enabled.
                       010
                                Basic and connection speed result codes
                       011      and dialtone detection enabled.

                      100       All result codes except dialtone
                                detection enabled.

                                All result codes enabled.

        7               0       Pulse dial make-break 39%/61%.

                       1        Pulse dial make-break 33%/67%.

                          BIT-MAPPED REGISTER S23

  Format                    AT [cmds] S23? [cmds]

  Example:                  ATS23?<CR>

  Default:                  Read only

  Range:                    0-255

  Unit:                     Bit-mapped

  Description:              Reports remote digital loopback, DTE rate and
                            parity, and guard tone.

       Bit           Value                       Meaning

        0               0       Remote digital loopback denied.

                       1        Remote digital loopback allowed.

     3, 2, 1           000      Sets serial port speed to 0-300bps.

                       001      Sets serial port speed to 1200bps.

                       010      Sets serial port speed to 2400bps.

                       011      Sets serial port speed to 4800bps.

                       100      Sets serial port speed to 7200bps.

                       101      Sets serial port speed to 9600bps.

                       110      Sets serial port speed to 12000bps.

                      111       Sets serial port speed to 14400bps.

       5, 4            00       Parity even.

                       01       Not used.

                       10       Parity odd.

                       11       No Parity.

       7, 6            00       Guard tone disabled.

                       01       Guard tone 550Hz enabled.

                       10       Guard tone 1800Hz enabled.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem.

                                BREAK TYPE

  Type:            Configuration

  Format:          AT [cmds] \Kn [cmds]

  Example:         AT \K1 <CR>

  Description:     Configures action of break signal.

     Command        Break from DTE      Modem receives     Break received
                                             \B             from remote
                                                               modem

       \K0          Online command     Break sent to      Buffers
                    mode enabled,      remote modem and   cleared, break
                    send no break to   buffered           sent to DTE.
                    remote modem.      cleared.

       \K1          Break sent to      Break sent to      Buffers
                    remote modem and   remote modem and   cleared, break
                    buffered           buffered           sent to DTE.
                    cleared.           cleared.

       \K2          Online command     Send break to      Break sent
                    mode enabled,      remote modem       immediately to
                    send no break to   immediately.       DTE.
                    remote modem.

       \K3          Send break to      Send break to      Break sent
                    remote modem       remote modem       immediately to
                    immediately.       immediately.       DTE.

       \K4          Online command     Send break with    Break sent with
                    mode enabled,      transmitted        received data
                    send no break to   data.              to the DTE.
                    remote modem.

       \K5          Send break with    Send break with    Break sent with
                    transmitted        transmitted        received data
                    data.              data.              to the DTE.

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] &Un [cmds]

  Example:       AT %E &U1 \K<CR>

  Description:   Selects data compression.

    Command                              Function

      &U0        Data compression disabled.

      &U1        Data compression enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N1 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N1        Normal mode enabled.

      \N2        Reliable mode enabled, MNP only.

      \N3        Auto-reliable mode enabled, MNP with fallback to Normal
                 mode.

      \N4        Reliable mode enabled, LAPM only.

      \N5        Auto-reliable mode enabled, LAPM with fallback to Normal
                 mode.

      \N6        Reliable mode enabled, LAPM with fallback to MNP mode.

      \N7        Auto-reliable mode enabled, LAPM with fallback to MNP
                 then to Normal mode.

                       CONNECTION SPEED LOWER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %Mn [cmds]

  Example:       AT %M300 \JO<CR>

  Description:   Sets slowest allowed connection speed.

    Command                              Function

     %M300       Select 300bps minimum speed.

     %M1200      Select 1200bps minimum speed.

     %M2400      Select 2400bps minimum speed.

     %M4800      Select 4800bps minimum speed.

     %M7200      Select 7200bps minimum speed.

     %M9600      Select 9600bps minimum speed.

    %M12000      Select 12Kbps minimum speed.

    %M14400      Select 14.4Kbps minimum speed.

                       CONNECTION SPEED UPPER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %Bn [cmds]

  Example:       AT %M1200 %B9600 \J1<CR>

  Description:   Sets fastest allowed connection speed.

  Command                                Function

     %B300       Select 300bps maximum speed.

     %B1200      Select 1200bps maximum speed.

     %B2400      Select 2400bps maximum speed.

     %B4800      Select 4800bps maximum speed.

     %B7200      Select 7200bps maximum speed.

     %B9600      Select 9600bps maximum speed.

    %B12000      Select 12Kbps maximum speed.

    %B14400      Select 14.4Kbps maximum speed with V.32bis option.

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmd] %Cn [cmd]

  Example:       AT %C1<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression requested, V.42bis in LAPM, MNP5 in
                 MNP.

      %C2        Data compression requested, V.42bis in LAPM, MNP5 in
                 MNP.

      %C3        Data compression requested, V.42bis in LAPM, MNP5 in
                 MNP.

                                 ECHO DATA

  Type:          Configuration

  Format:        AT [cmds] \En [cmds]

  \Example:      AT \E0 <CR>

  Description:   Enables modem to echo received data.

    Command                              Function

      \E0        Data echo disabled.

      \E1        Data echo enabled.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 <CR>

  Description:   Selects modem port flow control.

    Command                              Function

      \G0        Flow control disabled.

      \G1        Flow control enabled.

                          FLOW CONTROL - ENQ/ACK

  Type:          Configuration

  Format:        AT [cmds] \Hn [cmds]

  Example:       AT \H9 <CR>

  Description:   Selects ENQ/ACK pacing.

    Command                              Function

      \H0        Disables ENQ/ACK pacing.

      \H1        Enables ENQ/ACK pacing in terminal mode.

      \H2        Enables ENQ/ACK pacing in host mode.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q0 A <CR>

  Description:   Sets type of flow control used by modem.

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        Bidirectional XON/XOFF flow control enabled.

      \Q2        Unidirectional CTS flow control to DTE enabled.

      \Q3        Bidirectional RTS/CTS flow control enabled.

      \Q4        Unidirectional XON/XOFF flow control enabled.

      \Q5        Unidirectional CTS flow control to DTE, CTS off until
                 CONNECT enabled.

      \Q6        Bidirectional RTS/CTS flow control, CTS off until
                 CONNECT enabled.

                             INACTIVITY TIMER

  Type:             Configuration

  Format:           AT [cmds] \Tn [cmds]

  Example:          AT\T20<CR>

  Default:          0

  Range:            0-90

  Unit:             1 minute

  Description:      Sets the length of time that the modem does not
                    receive information before it disconnects.

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Example:       AT \J0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

      \J0        Serial speed locked.

      \J1        Serial speed follows connect speed.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %B1200<CR>

  Description:   Sets the maximum transmittable block size.

    Command                              Function

      \A0        Maximum MNP block size is 64 characters.

      \A1        Maximum MNP block size is 128 characters.

      \A2        Maximum MNP block size is 192 characters.

      \A3        Maximum MNP block size is 256 characters.

                           MNP STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Example:       AT \L1 DT555-1212<CR>

  Description:   Selects the transfer mode for MNP.

    Command                              Function

      \L0        Stream mode for MNP enabled.

      \L1        Block mode for MNP enabled.

                           NUMERIC RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] &Nn [cmds]

  Example:       AT &N0 &E<CR>

  Description:   Selects the type of numeric result codes.

  Command                                Function

      &N0        Hayes numeric result codes enabled.

      &N1        Microcom numeric result codes enabled.

                          REPORT FIRMWARE VERSION

  Type:          Immediate

  Format:        AT [cmds] %V [cmds]

  Example:       AT %V <CR>

  Description:   Displays firmware version.

                              REPORT PROTOCOL

  Type:          Register

  Format:        AT [cmds] S27? [cmds]

  Example:       AT S27? <CR>

  Description:   Reports ITU-T/Bell modes.

     Value                               Meaning

       0         CCITT mode.

       64        Bell mode.

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Example:       AT \V1 W0<CR>

  Description:   Selects the type of result code format.

  Command                                Function

      \V0        /REL connect codes not displayed, unless W1 is set.

      \V1        /REL connect codes are displayed, unless W1 is set.

      \V2        -LAPM, -MNP, /REL connect codes are displayed.

                                TEST MODES

  Format                  AT [cmds] S16? [cmds]

  Example:                ATS16?<CR>

  Default:                Read only

  Range:                  0-255

  Unit:                   Bit-mapped

  Description:            Controls loopback tests, analog, digital,
                          remote digital, and self tests.

      Bit         Value                        Function

       0             0       Local analog loopback not in progress.

                    1        Local analog loopback in progress.

       1            0        Not used.

       2             0       Local digital loopback not in progress.

                    1        Local digital loopback in progress.

       3             0       Modem not in remote digital loopback.

                    1        Remote digital loopback in progress.

       4             0       Remote digital loopback not requested.

                    1        Remote digital loopback requested.

       5             0       Remote digital loopback w/ self-test not in
                             progress.
                    1
                             Remote digital loopback w/ self-test in
                             progress.

       6             0       Local analog loopback w/ self-test not in
                             progress.
                    1
                             Local analog loopback w/ self-test in
                             progress.

                       V.42bis MAXIMUM STRING LENGTH

  Type:          Register

  Format:        AT [cmds] S214=n [cmds]

  Example:       AT S214=250 <CR>

  Default:       250

  Range:         6 - 250

  Unit:          Unidentified

  Description:   Selects string size for V.42bis compression.

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Example:       AT \X1 <CR>

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem.

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem.

      \X1        XON/XOFF passed through local modem.

