
PARADYNE CORPORATION

KEEPINTOUCH CARD MODEM 3760-B2

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            14.4Kbps
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
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

                                                                      53808

                              AUTO-NEGOTIATE

  Type:           Configuration

  Format:         AT %Gn

  Example:        AT %G1 <CR>

  Description:    Selects whether the modem will renegotiate speeds
                  according to signal quality.

    Command                              Function

   %G0           Auto-negotiate disabled.

      %G1         Auto-negotiate enabled.

                     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-RELIABLE TIME BUFFER CONFIGURATION

  Type:             Configuration

  Format:           AT [cmds] \Cn [cmds]

  Example:          AT \C1 &W<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 %En

  Example:       AT %E1 <CR>

  Description:   Selects auto-retrain mode.

    Command                              Function

      %E0        Auto-retrain disabled.

   %E1          Auto-retrain enabled.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B50 O<CR>

  Default:       0

  Range:         0-9

  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     Break from         Modem        Break from
                                       DTE        receives \B    remote modem
                Reliable/Normal
                     mode         Direct mode

     \K0        Enter command     Send break to   Buffers        Buffers
                mode, do not      remote modem    cleared and    cleared and
                send break to     immediately,    break sent to  break sent to
                remote modem.     then enter      remote modem.  DTE.
                                  command mode.

     \K1        Buffers cleared   Send break to   Buffers        Buffers
                and break sent    remote modem    cleared and    cleared and
                to remote         immediately.    break sent to  break sent to
                modem.                            remote modem.  DTE.

     \K2        Enter command     Send break to   Send break to  Send break to
                mode, do not      remote modem    remote modem   DTE
                send break to     immediately,    immediately.   immediately.
                remote modem.     then enter
                                  command mode.

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

     \K4        Enter command     Send break to   Send break to  Break sent
                mode, do not      remote modem    remote modem   with received
                send break to     immediately,    with           data to the
                remote modem.     then enter      transmitted    DTE.
                                  command mode.   data.

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

                               CALLING TONE

  Type:          Configuration

  Format:        AT [cmds] -Cn [cmds]

  Example:       AT -C1 DT555-1212<CR>

  Description:   Controls the transmission of the calling tone while
                 dialing.

    Command                              Function

   -C0          Calling tone disabled.

      -C1        Calling tone enabled.

                                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.

   \N3          LAP-M mode with fallback to MNPl mode enabled.

      \N4        V.42 or disconnect enabled.

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Example:       AT \V1 %C1<CR>

  Description:   Selects extended result codes.

    Command                              Function

      \V0        Extended result codes disabled.

      \V1        MNP extended result codes enabled.

   \V2          V.42 extended result codes enabled.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT G1 &M0<CR>

  Description:   Selects modem port flow control.

    Command                              Function

   \G0          Flow control disabled.

      \G1        Flow control enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q5<CR>

  Description:   Sets type of flow control used by modem.

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        Bidirectional XON/XOFF flow control enabled.

      \Q2        CTS flow control by DTE enabled.

   \Q3          Bidirectional CTS/RTS flow control enabled.

                             INACTIVITY TIMER

  Type:             Register

  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.

                             INACTIVITY TIMER

  Type:             Register

  Format:           AT [cmds] S90=n [cmds]

  Example:          AT S90=20<CR>

  Default:          0

  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] \Jn [cmds]

  Example:       AT %L3 %B14 \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 %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.

                            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.

       I3        Reports device set name.

                           REPORT SIGNAL QUALITY

  Type:          Immediate

  Format:        AT %Q

  Example:       AT %Q <CR>

  Description:   Reports the quality of the current signal.

     Value                               Meaning

       0         Signal quality is good.

       1         Signal quality is fair.

       2         Signal quality is poor.

       3         Loss of equalization has occurred.

                                SLEEP TIMER

  Format                  AT [cmds] S30=n [cmds]

  Example:                ATS30=40<CR>

  Default:                10

  Range:                  0 - 90

  Unit:                   1 second

  Description:            Maximum duration of DTE and DCE inactivity
                          allowed prior to initiating low-power sleep
                          mode.

                              V.42 HANDSHAKE

  Type:          Configuration

  Format:        AT -Jn

  Example:       AT -J1 "H1<CR>

  Description:   Selects whether the modem will negotiate V.42 mode.

    Command                              Function

      -J0        V.42 negotiation disabled.

   -J1          V.42 negotiation enabled.

                               V.42bis MODE

  Type:          Configuration

  Format:        AT "Hn

  Example:       AT -J1 "H1<CR>

  Description:   Selects V.42bis operation.

    Command                              Function

      "H0        V.42bis disabled.

      "H1        V.42bis enabled on transmit only.

      "H2        V.42bis enabled on receive only

   "H3          V.42bis enabled

                            V.42bis WORD LENGTH

  Type:          Configuration

  Format:        AT [cmds] "On [cmds]

  Example:       AT"O24<CR>

  Default:       32

  Range:         6-250

  Unit:          1 character

  Description:   Sets length of V.42bis word.

                           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.

