
EXP COMPUTER, INC.

288I

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

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                                                                      V1467

                         Proprietary AT Command Set

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E1 <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

    S21           4

    S22          117

    S23          55

    S27          73

    S28           0

    S31           2

    S40          107

    S41           3

    S80           0

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  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 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 immediately.
                  break to remote      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 to
                  break to remote      with              the DTE.
                  modem.               transmitted
                                       data.

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

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] #CID=n [cmds]

  Example:       AT #CID=2<CR>

  Description:   Controls the Caller ID function.

    Command                              Function

   #CID=0       Caller ID disabled.

     #CID=1      Caller ID displays formatted data.

     #CID=2      Caller ID displays raw hexadecimal data.

                        CELLULAR TRANSMISSION LEVEL

  Type:          Register

  Format:        AT [cmds] S201=n [cmds]

  Example:       AT S201=26 &W<CR>

  Default:       Unidentified

  Range:         Unidentified

  Unit:          -dBm

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

                     COMPRESSION AND ERROR CORRECTION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT %C0 *Y1<CR>

  Description:   Selects data compression and error correction.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression enabled.

      %C2        Data correction enabled.

      %C3        Data compression and correction enabled.

                           COMPROMISE EQUALIZER

  Type:          Configuration

  Format:        AT [cmds] :En [cmds]

  Example:       AT :E &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 enabled.

      \N1        Direct mode enabled.

      \N2        Reliable mode enabled.

      \N3        Auto-reliable mode enabled.

      \N4        LAP-M mode only enabled.

      \N5        MNP mode enabled.

                              DOWNLOAD DRIVER

  Type:          Immediate

  Format:        AT [cmds] ^C2 [cmds]

  Example:       AT ^C2 &W<CR>

  Description:   Download cellular phone driver.

                            FAX TRANSMIT LEVEL

  Type:          Register

  Format:        AT [cmds] S92=n [cmds]

  Example:       ATS92=10<CR>

  Default:       10

  Range:         1-15

  Unit:          -1dBm

  Description:   Controls fax transmission level.

                         FLASH DIAL MODIFIER TIME

  Format                AT [cmds] S29=n [cmds]

  Example:              ATS29=0<CR>

  Default:              0

  Range:                0-255

  Unit:                 10 ms

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

                               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.

                               HDLC ADDRESS

  Type:          Register

  Format:        AT [cmds] S20=n [cmds]

  Example:       ATS20=6<CR>

  Default:       Unidentified

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the HDLC address/BSC character.

                              IDENTIFY DRIVER

  Type:          Immediate

  Format:        AT [cmds] ^I [cmds]

  Example:       AT ^I &W<CR>

  Description:   Identifies cellular phone driver.

                      LEASED LINE TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] S99=n [cmds]

  Example:       AT S99=8<CR>

  Default:       10

  Range:         0 -15

  Unit:          -1 dBm

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

                             LINE SIGNAL LEVEL

  Type:          Configuration

  Format:        AT [cmds] %L [cmds]

  Example:       AT %L &W<CR>

  Description:   Returns received line signal level.

                           REPORT SIGNAL QUALITY

  Type:           Immediate

  Format:         AT [cmds] %Q [cmds]

  Example:        AT %Q<CR>

  Description:    Reports signal quality. If the value is greater than 7,
                  the modem will retrain.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 &MB28800<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.

                             MNP10 COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] -Kn [cmds]

  Example:       AT %C1 -K1 -Q0 <CR>

  Description:   Selects MNP10 data compression.

    Command                              Function

      -K0        MNP10 disabled.

   -K1          MNP10 enabled.

      -K2        MNP10 enabled on answer mode only.

                              MNP10 FALL-BACK

  Type:          Configuration

  Format:        AT [cmds] -Qn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Allows MNP10 to fall back to speeds slower than 4800bps.

    Command                              Function

      -Q0        MNP10 at 2400 and 1200bps disabled.

   -Q1          MNP10 at 2400 and 1200bps enabled.

                          MNP10 LINK NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] *Hn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Sets the speed at which MNP10 link negotiation will
                 occur.

    Command                              Function

      *H0        Link will be negotiated at highest possible speed.

      *H1        Link will be negotiated at 1200bps.

      *H2        Link will be negotiated at 4800bps.

                         MNP10 POWER LEVEL ADJUST

  Type:           Configuration

  Format:         AT [cmds] )Mn [cmds]

  Example:        AT )M1 %C1<CR>

  Description:    Controls automatic transmit power level adjustment
                  during MNP 10 link negotiation.

     Command                             Function

       )M0        Power level adjustment disabled.

       )M1        Power level adjustment enabled.

                       MODULATION SELECTION DISPLAY

  Type:          Immediate

  Format:        AT [cmds] +MS?

  Example:       AT +MS? <CR>

  Description:   Displays modulation, automode, minimum rate and maximum
                 rate settings

                           MODULATION SELECTION

  Type:                Configuration

  Format:              AT [cmds] +MS=xx,y,zzz,aaa [cmds]

  Example:             AT +MS11,1,300,28800 &W<CR>

  Description:         Sets options for active protocol. The transfer
                       rates specified by z and a must be valid for the
                       protocol selected.

       Command                              Function

         x=0           V.21

         x=1           V.22

         x=2           V.22bis

         x=3           V.23

         x=9           V.32

        x=10           V.32bis

   x=11               V.34

        x=64           Bell 103A

        x=69           Bell 212A

        x=74           V.FC

         y=0           Automode disabled.

         y=1           Auto-detect highest speed enabled.

      z, a=300         Set minimum or maximum transfer rate at 300bps,
                       respectively.

      z, a=1200        Set minimum or maximum transfer rate at 1200bps,
                       respectively.

      z, a=2400        Set minimum or maximum transfer rate at 2400bps,
                       respectively.

      z, a=4800        Set minimum or maximum transfer rate at 4800bps,
                       respectively.

      z, a=7200        Set minimum or maximum transfer rate at 7200bps,
                       respectively.

      z, a=9600        Set minimum or maximum transfer rate at 9600bps,
                       respectively.

     z, a=12000        Set minimum or maximum transfer rate at 12000bps,
                       respectively.

     z, a=14400        Set minimum or maximum transfer rate at 14400bps,
                       respectively.

     z, a=16800        Set minimum or maximum transfer rate at 16800bps,
                       respectively.

     z, a=19200        Set minimum or maximum transfer rate at 19200bps,
                       respectively.

     z, a=21600        Set minimum or maximum transfer rate at 21600bps,
                       respectively.

     z, a=24000        Set minimum or maximum transfer rate at 24000bps,
                       respectively.

     z, a=26400        Set minimum or maximum transfer rate at 26400bps,
                       respectively.

     z, a=28800        Set minimum or maximum transfer rate at 28800bps,
                       respectively.

                      REMOTE ACCESS ESCAPE CHARACTER

  Type:          Register

  Format:        AT [cmds] S202=n [cmds]

  Example:       ATS202=6<CR>

  Default:       170

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the remote access escape character.

                            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 ROM checksum result.

       I2        Reports OK.

       I3        Reports firmware version.

       I4        Reports OEM version.

       I5        Reports country code.

       I6        Reports current connections statistics.

       I7        Reports DAA code.

                                SLEEP TIMER

  Format                  AT [cmds] S24=n [cmds]

  Example:                ATS24=40<CR>

  Default:                0

  Range:                  0 - 255

  Unit:                   1 second

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

                             STATUS INDICATOR

  Type:          Immediate

  Format:        AT [cmds] ^T6 [cmds]

  Example:       AT ^T6 &W<CR>

  Description:   indicate status of cellular phone.

                                TEST MODES

  Format                  AT [cmds] S16=n [cmds]

  Example:                ATS16=40<CR>

  Default:                0

  Range:                  0-125

  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.

                              TEST MODE - PTT

  Type:          Configuration

  Format:        AT [cmds] %TT [cmds]

  Example:       AT %TT &W<CR>

  Description:   Send PTT test signals for European line test.

                            TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] @Mn [cmds]

  Example:       AT @M25 &W<CR>

  Default:       0

  Range:         11-31

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission.

    Command                              Function

   @M0          -26dBm

      @M1        -30dBm

    @M2-@M10     -10dBm

                       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.

