
DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAEXPRESS 336E

Card Type                    Modem, Fax
Chip Set                     Unidentified
Maximum Modem Rate           33.6Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             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 MNP 5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     External

                                                                      55022

                         SUPPORTED COMMAND SET

                           Basic AT Commands

  AT, +++, A/

  A, B, D, E, H, M, O, Q, V, W, X

  &C, &V

                          Extended AT Commands

  \N

  %C

                              S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S25, S38, S46

                            Special Commands

  +MS

  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                            AUTO-MODE DETECTION

  Type:                  Configuration

  Format:                AT [cmds] Nn [cmds]

  Description:           Selects various options for the automatic
                         detection and negotiation of protocols during
                         the handshake process if the modem is
                         communicating with a remote modem of dissimilar
                         speed.

        Command                              Function

          N0             Auto-mode detection disabled

          N1             In originate mode, handshake begins at line
                         speed designated by the S37 register. Modem can
                         shift to a slower speed if necessary.

                         In answer mode, handshake attempted with the
                         following protocols in order - V.FC, V.32bis,
                         V.32, V.22bis, V.22 or Bell 212, V.21, and Bell
                         103

                            COMMUNICATIONS MODE

  Type:           Configuration

  Format:         AT [cmds] &Qn [cmds]

  Description:    Selects communications mode options

    Command                                Mode

      &Q0         Asynchronous mode, serial port speed follows connect
                  speed.

      &Q5         Asynchronous reliable mode

                         DATA TERMINAL READY (DTR)

  Type:                  Configuration

  Format:                AT [cmds] &Dn [cmds]

  Description:           Selects modem response to DTR

            Note: The action each variant of &D causes depends on the
            setting of &Q

        Command                              Function

          &D0            Modem does not respond to DTR

          &D1            Modem goes to command mode after DTR goes is off

          &D2            Modem goes to command mode and disconnects
                         (hangs up) after DTR goes off; Auto-Answer is
                         disabled.

          &D3            Modem is initialized after DTR goes off

                          FACTORY DEFAULT PROFILE

  Type:             Configuration

  Format:           AT [cmds] &F [cmds]

  Description:      Sets values in active profile to values found in the
                    default profile

     Command                              Function

       &F0          Direct mode without flow control

       &F2          Reliable mode

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options

    Command                              Function

      &K0        Flow control disabled

      &K3        RTS/CTS flow control enabled

      &K4        XON/XOFF flow control enabled

      &K5        Transparent XON/XOFF flow control enabled

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports maximum data carrier rate

       I1        Reports ROM checksum

       I2        Tests and reports ROM checksum

       I3        Reports ROM code revision number

       I4        Report supported protocols in encrypted format

       I5        Reports firmware copyright information

       I7        Reports data pump model

      I10        Reports optional features

      I92        Reports product ID code







                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting

                            Extended AT Commands

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

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

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                             RATE NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] %Gn [cmds]

  Description:   Controls rate negotiation

    Command                              Function

      %G0         Rate negotiation disabled

      %G1         Rate negotiation enabled



                            S(status) -REGISTERS

                         CONNECTION FAILURE CODES

  Type:               Register

  Format              AT [cmds] S86? [cmds]

  Description:        Reports codes which correspond to the possible
                      causes of a connection failure

       Value                                Meaning

         0            Normal hang up

         4            Carrier signal lost

         5            No error-control detected for remote modem during
                      feature negotiation

         6            Remote modem failed to respond to feature
                      negotiation

         7            Local modem is asynchronous-only, remote modem is
                      synchronous-only

         8            No common framing technique found

         9            No common protocol found

         10           Remote modem sent erroneous feature negotiation
                      message

         11           Remote modem failed to send synchronous information

         12           No failure - remote modem disconnected normally

         13           Remote modem failed to respond after 10
                      re-transmissions same message

         14           Violation of negotiated protocol caused failure

                              DCE LINE SPEED

  Type:                Register

  Format               AT [cmds] S37=n [cmds]

  Description:         Sets the maximum allowable data exchange rate
                       attempted during handshake process.

       Command                              Function

        S37=0          Speed of last connection

        S37=1          300bps

        S37=5          1200bps

        S37=6          2400bps

        S37=8          4800bps

        S37=9          9600bps

       S37=10          12.0Kbps

       S37=11          14.4Kbps

       S37=12          7200bps

                       ERROR CORRECTION NEGOTIATION

  Type:                 Register

  Format                AT [cmds] S36=n [cmds]

  Description:          Selects the action of the modem if it fails to
                        connect with the error-correction protocol set in
                        &Q.

        Command                             Function

         S36=0          Hang up

         S36=1          Attempt a direct connection

         S36=3          Attempt a buffered connection

         S36=4          Attempt a connection at MNP2-4; if that fails,
                        hang up.

         S36=5          Attempt a connection at MNP2-4; if that fails,
                        attempt a direct connection.

         S36=7          Attempt a connection at MNP2-4; if that fails,
                        attempt a buffered connection.

                           EXTENDED RESULT CODES

  Type:                  Register

  Format                 AT [cmds] S95=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  Bit-mapped

  Description:           Works in combination with the Wn command to
                         enable extended result codes. Features enabled
                         by S95 take precedence over the options selected
                         by Wn.

    Bit       Value                          Function

     1                0  Verbose CONNECT result codes display DTE or line
                         speed only.
                     1
                         Adds "/ARQ" to all verbose CONNECT result codes
                         except "NONE."

     2                0  CARRIER result codes disabled.

                     1   CARRIER result codes enabled.

     4               0   Enable CARRIER XXXX result code

     8               0   Enable PROTOCOL XXXX result code

    16               0   Reserved

    32               0   Compression result code

    64               0   Enable TX and RX V.34 CARRIER result code if in
                         asymetric carrier mode

    128              0   Reserved

                        FEATURE NEGOTIATION OPTIONS

  Type:           Register

  Format:         AT [cmds] S48=n [cmds]

  Description:    Selects active error correction and compression
                  protocols

    Command                              Function

     S48=0        Detection negotiation disabled, XID negotiation
                  disabled

     S48=7        Detection negotiation and XID negotiation enabled

    S48=128       Fall-back to options set in S36

