ZOOM TELEPHONICS, INC.

56K PCI DUALMODE

Card Type                        Modem, Fax
Chip Set                         Unidentified
Maximum Modem Rate               56Kbps
Maximum Fax Rate                 14.4Kbps
Data Modulation Protocol         Bell 103A/212A

                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,
                                 V.32bis, V.34, V.90, K56 flex
Fax Modulation Protocol          ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression     MNP5, V.42, V.42bis
Fax Class                        Class I
Data Bus                         32-bit PCI
Card Size                        Half-length, half-height card

[Image]

                   SUPPORTED COMMAND SET

                     Basic AT Commands

  AT, ‘+++’, A/

  A, E, H, M, P, Q, T, V, X, Y, Z

  &C, &D, &R, &V, &W, &X, &Y, &Z

                   Extended AT Commands

  \G, \W

  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                             TRANSMIT CARRIER

  Type:          Configuration

  Format:        AT [cmds] Cn [cmds]

  Description:   Controls the transmit carrier switching

  Note: Command performs no function. Included fort compatibility only.



                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#> [cmds]

  Description:           Dials telephone number according to any
                         modifiers included in the string

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Command                              Function

          DL             Re-dial last number

          DP             Pulse dialing enabled

          DR             Answer mode enabled; originate mode disabled
                         following handshake initiation.

         DS=n            Dial stored telephone number n

          DT             Tone dialing enabled/Pulse dialing disabled

          DW             Dialing resumed following dial tone detection

          D,             Dialing paused for amount of time specified in
                         S8 register

         DWXY            Optional method of denoting telephone numbers.
                         Letters enclosed in quotes are interpreted as
                         numbers according to the system found on a
                         telephone keypad.

          D!             Flash function initiated. Modem commanded to go
                         off-hook for specified time before returning
                         on-hook.

          D@             Wait for Quite Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by silence up to the time specified in
                         S7, is received prior to executing the rest of
                         the dial string.

          DJ             Perform MNP10 link negotiation at 1200bps

          DK             Enable power level adjustment during MNP 10 link
                         negotiation

          D&             Wait for &T bong tone for credit card dialing
                         before continuing with the remaining dial string

          D;             Modem returned to idle state after dialing. The
                         semicolon can only be placed at the end of the
                         dial command.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports product code

       I1        Reports the 3 digit pre-computed ROM checksum

       I2        Tests and reports ROM checksum

       I3        Reports the modem ROM version

       I4        TBD

       I5        TBD

       I6        Reports the modem data pump and model

















                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L1        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting

                                 JACK TYPE

  Type:          Configuration

  Format:        AT [cmds] &Jn [cmds]

  Description:   Selects jack type

  Note: Command performs no function. Included for compatibility only.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options

    Command                              Function

      &K0        Flow control disabled

      &K1        Reserved

      &K2        Reserved

      &K3        RTS/CTS flow control enabled

      &K4        XON/XOFF flow control enabled

      &K5        Transparent XON/XOFF flow control enabled

      &K6        Both RTS/CTS and XON/XOFF flow control enabled











                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

                           DATA SET READY (DSR)

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Selects DSR options

    Command                              Function

      &S0        DSR forced high

      &S1        DSR high only while modem is handshaking or connected

                            Extended AT Commands

                                 V.23 MODE

  Type:          Configuration

  Format:        AT [cmds] %Fn [cmds]

  Description:   Selects V.23 split-speed and half-duplex

    Command                              Function

      %F1         75bps transmit, 1200bps receive (split-speed)

      %F2         1200bps transmit, 75bps receive (split-speed)

      %F3         1200bps transmit, 1200bps receive (half-duplex)