
CARDINAL TECHNOLOGIES, INC.

MVP144IV2

Modem Type                  Data (synchronous/asynchronous)/Fax/Voice
Maximum Data Rate           14.4Kbps
Maximum Fax Rate            14.4Kbps
Data Bus                    8-bit ISA
Fax Class                   Class I
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                       MNP5, V.42, V.42bis
Correction/Compression

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

                         Proprietary AT Command Set

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E2 <CR>

  Description:   Controls auto-retrain mode and fallback/fall forward.

    Command                              Function

      %E0        Auto-retrain disabled.

      %E1        Auto-retrain enabled.

   %E2          Fallback/fall forward enabled.

  BIT-MAPPED REGISTERS

  Register     Default

    S14          138

    S16           0

    S21          52

    S22          117

    S23          62

    S27          73

    S28           0

    S31          194

    S39           3

    S40          104

    S41          195

                                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 \K5 <CR>

  Description:     Configures action of break signal.

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

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

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

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

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

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

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

                           COMPROMISE EQUALIZER

  Type:          Configuration

  Format:        AT [cmds] :En [cmds]

  Example:       AT :E1 &W<CR>

  Description:   Controls V.32 compromise equalizer.

    Command                              Function

      :E0        Equalizer disabled.

   :E1          Equalizer 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.

      \N1        Direct mode.

      \N2        Reliable mode.

      \N3        Auto-reliable mode.

      \N4        V.42 reliable mode.

      \N5        MNP error correction mode.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

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

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        MNP5 enabled.

      %C2        V.42bis enabled.

   %C3          MNP5 and V.42bis enabled.

                               EXTENDED RING

  Format:             AT [cmds] -SDR=n [cmds]

  Example:            AT-SDR=3<CR>

  Default:            0

  Range:              0 - 7

  Unit:               Bit-mapped

  Description:        Selects the response to extended ring types.

     Bit        Value                       Function

      0         0      Do not respond to ring type 1.

                  1     Respond to ring type 1.

      1         0      Do not respond to ring type 2.

                  1     Respond to ring type 2.

      2         0      Do not respond to ring type 3.

                  1     Respond to ring type 3.

                         FLASH DIAL MODIFIER TIME

  Format                AT [cmds] S29=n [cmds]

  Example:              ATS29=0<CR>

  Default:              0

  Range:                0-255

  Unit:                 .001 second

  Description:          Time the modem will go on-hook upon receiving the
                        ! dial modifier in dial string.

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Example:       ATS33=20<CR>

  Default:       19

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF.

                       FLOW CONTROL CHARACTER - XON

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Example:       ATS32=20<CR>

  Default:       17

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XON.

                             LINE SIGNAL LEVEL

  Type:          Configuration

  Format:        AT [cmds] %L [cmds]

  Example:       AT %L &W<CR>

  Description:   Returns recieved line signal level.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A1 %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.

                         MNP10 TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] -SECn,a [cmds]

  Example:       AT-SEC1,24<CR>

  Default:       Unidentified

  Range:         a=0-30

  Unit:          -1 dBm

  Description:   Enables/disables and sets the transmission level for
                 MNP10.

    Command                              Function

      n=0        MNP10 disabled.

      n=1        MNP10 enabled.

                              MODE SELECTION

  Type:          Immediate

  Format:        AT [cmds] +FCLASS=n [cmds]

  Example:       AT +FCLASS=0 &W<CR>

  Description:   Sets what mode the modem will operate in.

    Command                              Function

   +FCLASS=0     Data mode enabled.

   +FCLASS=1     Fax mode enabled.

   +FCLASS=80    Voice mode enabled.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Example:       AT I1 O<CR>

  Description:   Displays modem properties.

    Command                              Function

       I0        Reports product code.

       I1        Reports firmware checksum.

       I2        Reports firmware checksum result. (report OK if correct)

       I3        Reports firmware revision.

       I4        Reports identifier string.

       I5        Reports country code.

       I6        Reports Data Pump modem and revision.

                           REPORT SIGNAL QUALITY

  Type:          Configuration

  Format:        AT [cmds] %Q [cmds]

  Example:       AT %Q &W<CR>

  Description:   Reports signal quality.

                                SLEEP TIMER

  Format                  AT [cmds] S24=n [cmds]

  Example:                ATS24=40<CR>

  Default:                1

  Range:                  0 - 255

  Unit:                   .01 second

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

                            TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] @Mn [cmds]

  Example:       AT @M25 &W<CR>

  Default:       0

  Range:         11-30

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission.

    Command                              Function

   @M0          -26dBm

      @M1        -30dBm

    @M2-@M10     -10dBm

