
PARADYNE CORPORATION

KEEPINTOUCH PCMCIA MODEM 3765/3766

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34

                             AT&T ETC cellular protocol
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                         Proprietary AT Command Set

                                                                      53809

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:              Register

  Format:            AT [cmds] %An [cmds]

  Example:           AT%A20<CR>

  Default:           13

  Range:             0-127

  Unit:              ASCII

  Description:       Sets the character used as the auto-reliable
                     fallback character. %A0 will disable this function.

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT S76=n

  Example:       AT S76=1 <CR>

  Description:   Selects auto-retrain mode for V.32bis.

    Command                              Function

   S76=0        Auto-retrain enabled.

     S76=1       Auto-retrain disabled.

     S76=2       Auto-retrain enabled; speed defaults to 4800bps.

     S76=3       Auto-retrain enabled; speed defaults to 9600bps.

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Example:       AT \K1 <CR>

  Description:   Configures action of break signal.

    Command                              Function

      \K0        Buffers cleared and break sent to remote modem, then
                 enter command mode.

      \K1        Buffers cleared and break sent to remote modem.

      \K2        Send break to remote modem immediately, then enter
                 command mode.

      \K3        Send break to remote modem immediately.

      \K4        Send break to remote modem with transmitted data, then
                 enter command mode.

   \K5          Send break to remote modem with transmitted data.

                            CELLULAR PHONE TYPE

  Type:          Configuration

  Format:        AT )Cn

  Example:       AT )C1<CR>

  Description:   Selects the type of cellular phone that the modem is
                 connected to.

    Command                              Function

   )C0          Motorola phone in use.

      )C1        NEC P100 series or AT&T 3610 phone in use.

      )C2        OKI 900, 1145, or 1150 or AT&T 3710, 3730, or 3760 phone
                 in use.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT *EC0 %C1 *AP0<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

   %C1          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        Direct mode enabled.

      \N2        MNP mode only enabled.

      \N4        LAP-M mode only enabled.

      \N6        LAP-M mode with fallback to MNP enabled.

      \N7        LAP-M mode with fallback to MNP and normal modes
                 enabled.

   \N8          For 4800bps and above, use \N4. Use \N7 for lower
                 speeds.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

    Command                              Function

   \G0          Flow control disabled.

      \G1        Flow control enabled.

                             INACTIVITY TIMER

  Type:             Register

  Format:           AT [cmds] \Tn [cmds]

  Example:          AT\T20<CR>

  Default:          Unidentified

  Range:            0-255

  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] S90=n [cmds]

  Example:       AT %L3 %B14 S90=0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

   S90=0        Serial speed locked.

     S90=1       Serial speed follows connect speed.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  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.

   \A3          MNP block size is 256 characters.

      \A4        MNP block size is 32 characters.

      \A5        MNP block size is 16 characters.

                            NEGOTIATE PROTOCOL

  Type:                Configuration

  Format:              AT S78=n

  Example:             AT S78=1 <CR>

  Description:         Configures whether the modem will attempt to
                       negotiate protocols or if only the protocol
                       selected in %Bn will be used.

       Command                              Function

   S78=0              Negotiation enabled.

        S78=1          Negotiation disabled.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Example:       AT I3 &V1 %V<CR>

  Description:   Displays modem properties.

    Command                              Function

       I0        Reports product code.

       I1        Reports firmware version in short form.

       I2        Reports firmware checksum result.

      I19        Reports firmware version in long form.

                     SWITCHED LINE TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] &In [cmds]

  Example:       AT &I15<CR>

  Default:       9

  Range:         10 - 25

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission when in switched
                 line mode.

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Example:       AT \X7 O<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.

