
DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAEXPRESS 336SP (EXTERNAL)

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

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis,
                             V.34, V.FC
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     External

                                                                      54929

                         SUPPORTED COMMAND SET

                           Basic AT Commands

  AT, +++, A/

  A, B, D, E, H, M, O, Q, S, 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

                             Voice Commands

  #VLS

                            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         Error correction mode

                         DATA TERMINAL READY (DTR)

  Type:                  Configuration

  Format:                AT [cmds] &Dn [cmds]

  Description:           Selects modem response to DTR

        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











                           Audiospan Command Set

                         AUDIOSPAN MODE SELECTION

  Type:          Configuration

  Format:        AT [cmds] -SMS=x,y,z,t [cmds]

  Description:   Sets the various options for Audiospan

    Command                              Function

      x=0         Data mode

      x=1         DSVD mode

      x=2         Audiospan mode

      x=3         Automatic mode select

     y=4800      Minimum data speed 4800bps

     y=7200      Minimum data speed 7200bps

     y=9600      Minimum data speed 9600bps

    y=12000      Minimum data speed 12000bps

    y=14400      Minimum data speed 14400bps

    y=16800      Minimum data speed 16800bps

    y=21600      Minimum data speed 21600bps

    y=24000      Minimum data speed 24000bps

    y=26400      Minimum data speed 26400bps

    y=28800      Minimum data speed 28800bps

     z=4800       Maximum data speed 4800bps

     z=7200       Maximum data speed 7200bps

     z=9600       Maximum data speed 9600bps

    z=12000       Maximum data speed 12000bps

    z=14400       Maximum data speed 14400bps

    z=16800       Maximum data speed 16800bps

    z=21600       Maximum data speed 21600bps

    z=24000       Maximum data speed 24000bps

    z=26400       Maximum data speed 26400bps

    z=28800       Maximum data speed 28800bps

                           AUDIOSPAN MODULATION

  Type:          Configuration

  Format:        AT [cmds] -SQS=x,y [cmds]

  Description:   Selects Audiospan modulation

    Command                              Function

      x=0         V.61

      x=1         ML144

      x=2         ML288

      y=0         Disable Audiospan automodulation

      y=1         Enable Audiospan automodulation









                                DATA BURST

  Type:          Configuration

  Format:        AT [cmds] -SMC=x [cmds]

  Description:   Controls the ML144 data burst

    Command                              Function

      x=0         Disable data burst

      x=1         Enable data burst

                       Synchronous Access Command Set

                             DATA COMPRESSION

  Type:                  Configuration

  Format:                AT [cmds] +DS=w,x,y,z [cmds]

  Description:           Enables synchronous access mode

        Command                              Function

          w=0             Negotiated, no compression

          w=1             Transmit only

          w=2             Receive only

          w=3             Transmit and receive

          x=0             Do not disconnect if V.42bis is not negotiated
                          by the remote DCE as specified in the Direction
                          parameter

          x=1             Disconnect if V.42bis is not negotiated by the
                          remote DCE as specified in the Direction
                          parameter

           y=            Specifies the maximum number of dictionary
                         entries which should be negotiated. Range=512 -
                         6553

           z=             Specified the maximum string length to be
                          negotiated. Range=6 - 250 Default=6













































                          SYNCHRONOUS ACCESS MODE

  Type:                 Configuration

  Format:               AT [cmds] +ES=x,y,z [cmds]

  Description:          Enables synchronous access mode

        Command                             Function

          x=0           Direct mode

          x=1           Initiate call with buffered mode only

          x=2           Initiate V.42 withput detection phase. If V.8 is
                        in use, disable V.42 detection phase

          x=3           Initiate V.42 with detection phase

          x=4           Initiate alternative protocol

         y=0            Error control optional; if error control is not
                        established, maintain DTE-DCE data rate and use
                        buffered mode with flow control during
                        non-error-control operation

         y=1            Error control optional; if error control is not
                        established, change DTE-DCE data rate to match
                        line rate and use direct mode

         y=2            Error control optional; if error control is not
                        established, disconnect

         y=3            Error control optional; if error control is not
                        established, disconnect

         y=4            Error control required; if error control is not
                        established, disconnect

          z=0           Direct mode

          z=1           Error control disabled, use buffered mode

          z=2           Error control optional; if error control is not
                        established, maintain DTE-DCE data rate and use
                        local buffering and flow control during
                        non-error-control operation

          z=3           Error control optional; if error control is not
                        established, change DTE-DCE data rate to match
                        line rate and use direct mode

          z=4           Error control optional; if error control is not
                        established, disconnect

          z=5           Error control optional; if error control is not
                        established, disconnect

          z=6           Error control required; if error control is not
                        established, disconnect













































                        SYNCHRONOUS ACCESS SUBMODE

  Type:                 Configuration

  Format:               AT [cmds] +ESA=a,b,c,d,e,f,g,h [cmds]

  Description:          Sets the synchronous access submode

       Command                              Function

         a=0            In transparent sub-mode, modem transmits 8-bit
                        SYN sequence on idle. Modem receiver does not
                        hunt for synchronized sequence.

         A=1            In transparent sub-mode, modem transmits 8-bit
                        SYN sequence on idle. Modem receiver hunts for
                        8-bit sequence

         a=2            In transparent sub-mode, modem transmits 16-bit
                        SYN sequence on idle. Modem receiver hunts for
                        16-bit sequence

         b=0            In framed sub-mode, modem transmits HDLC flags on
                        idle.

         B=1            In framed sub-mode, DCE transmits marks on idle

         c=0            In framed sub-mode, modem transmits abort on
                        underrun in middle of frame

         c=1            In framed sub-mode, DCE transmits a flag on
                        underrun in middle of frame, and notifies DTE of
                        underrun of overrun

         d=0            When switching between primary and secondary
                        channel operation in V.34 half duplex, the DCE
                        only executes those procedures difined in section
                        12/V.34

         d=1            When switching between primary and secondary
                        channel operation in V.34 half duplex, the DCE
                        executes additional procedures as described in
                        section 8.8.5 besides those difined in section
                        12/V.34

         e=0            CRC generation and checking disabled

         e=1            In framed mode, the 16-bit CRC is generated by
                        the modem in the transmit direction, and checked
                        by the modem in the receive direction

         e=2            In framed sub-mode, the 32-bit CRC is generated
                        by the DCE in the transmit direction, and checked
                        by the DCE in the receive direction

         f=0            NRZI encoding and decoding disabled

         f=1            NRZI encoding enabled in the DCE in the transmit
                        direction, and NRZI decoding enabled in the DCE
                        in the receive direction.

          G             Specifies the octet value to be used while
                        performing character-oriented framing.

          H             Specifies the octet value to be used while
                        performing character-oriented framing.

                        SYNCHRONOUS ACCESS SUBMODE

  Type:             Configuration

  Format:           AT [cmds] +ESR=a [cmds]

  Description:      Sets the synchronous access submode

      Command                              Function

        a=0          Do not use SREJ

        a=1          Use SREJ if available in remote DCE; continue
                     without it if not

        a=2          Use SREJ if available in remote DCE, continue id
                     SREJ is not available

















                            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

         15           Negotiated compression failed

         16           Line speeds selected in S37 and S109 did not match

         17           Time limit reached according to parameters set in
                      S116

         18           Incompatible speeds

         19           BREAK disconnect

         20           Key abort

                              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

