
DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAEXPRESS 288

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

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

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

[Image]

                                            CONNECTIONS

           Purpose              Location               Purpose                    Location

  Line out                         CN1        RS-232/422                             CN3

  Line in                          CN2        DC power                               CN4

                                         DIAGNOSTIC LED(S)

      LED           Color          Status                          Condition

      OH             Red             On                        Modem is off-hook

      OH             Red            Off                         Modem is on-hook

      RD             Red          Blinking                  Modem is receiving data

      RD             Red            Off                   Modem is not receiving data

      SD             Red          Blinking                 Modem is transmitting data

      SD             Red            Off                  Modem is not transmitting data

      PWR            Red             On                           Power is on

      PWR            Red            Off                           Power is off



                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, comma, A/

  A, B, C, D, E, F, H, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

  &A, &B, &C, &D, &F, &G, &J, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X,
  &Y, &Z

                           Extended AT Commands

  \A, \B, \C, \E, \G, \J, \K, \L, \O, \Q, \T, \U, \V, \W, \X, \Y, \Z

  %A, %L, %Q, %TT

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S24,
  S25, S26, S29,

  S38, S39, S46, S48, S82, S86, S90, S91, S92, S95, S99, S108, S109,
  S110, 201

                             Special Commands

  *H, "H, "N, "O,-J, -K, -Q, )M, @M, :E, #CID, +MS?

  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                                     AUTO FALL FORWARD/FALLBACK

  Type:          Configuration

  Format:        AT [cmds] %Gn [cmds]

  Example:       AT %G1 &W <CR>

  Description:   Selects auto fall forward/fallback.

    Command                                          Function

      %G1        Fall forward/fallback disabled.

   %G0          Fall forward/fallback enabled.

                                  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.

                                            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        LAPM/MNP mode enabled.

                                        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 103

     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=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.

                                         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 ROM checksum OK or ERROR

      I3         Reports firmware version.

      I4         Reports current command settings.

      I5         Reports copyright information.

      I7         Reports configuration.

      I10        Reports modems optional features

                                              RETRAIN

  Type:          Configuration

  Format:        AT [cmds] %E1 [cmds]

  Example:       AT %E1<CR>

  Description:   Requests a retrain.

    Command                                          Function

      %E0        Disabled

   %E1          Enabled

