
TRENDWARE INTERNATIONAL, INC.

TFM - 336T PCMCIA

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

                             ITU-T V34, V.32bis, V.32, V.22bis, V.22, V.21
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29, V21 CH.2
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I & II
Data Bus                     PCMCIA

                                                                      54689

                         SUPPORTED COMMAND SET

                           Basic AT Commands

  AT, A/

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

  &C, &F, &G, &R, &T, &V, &W, &Y, &Z

                          Extended AT Commands

  \A, \C, \G, \J, \K, \V, \X

  %A, %G

  -J

  "H

                              S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S30



  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             When originating or answering; handshake only at
                         the line speed designated by the S37 register

          N1             When originating or answering; handshake at the
                         line speed designated by the S37 register. Modem
                         can shift to a lower speed if necessary

                                 AUTO-SYNC

  Type:          Configuration

  Format:        AT [cmds] &Jn [cmds]

  Description:   Dummy command for autosync compatibility

    Command                             Jack Type

      &J0        Send OK to DTE

      &J1        Send OK to DTE

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

      &M4        Hayes asynchronous mode

                          COMMUNICATION PROTOCOLS

  Type:                  Configuration

  Format:                AT [cmds] Bn [cmds]

  Description:           Selects the communication protocol for data
                         calls

            Note: The B command allows the simultaneous selection of more
            than one suffix, enabling multiple protocols.

        Command                              Protocol

          B0             ITU-T V.22 at 1200bps or V.21 at 300bps

          B1             Bell 212A at 1200bps or Bell 103 at 300bps

          B2             V.23 at 1200 receiving, 75bps transmitting in
                         originate mode; 75bps receiving, 1200bps
                         transmitting in answer mode

          B3             V.23 at 75 receiving, 1200bps transmitting in
                         originate mode; 1200bps receiving, 75bps
                         transmitting in answer 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

                                     DATA TERMINAL READY (DTR)

  Type:               Configuration

  Format:             AT [cmds] &Dn [cmds]

  Description:        Selects modem response to DTR

      Command                                          Function

        &D0           DTR is ignored (assumed on)

           &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

                                   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

          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

          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.

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

                               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

                                  ON-LINE

  Type:            Immediate

  Format:          AT [cmds] On [cmds]

  Description:     Controls on-line command (data transmission) state
                   options.

            Note: The O command must be placed at the end of the command
            string.

     Command                             Function

       O0          On-line command mode with no retraining enabled

       O1          On-line command mode with retraining enabled

     O3-O14        Force modem to a new rate that is user defined by S62
                   regisiter

                PULSE DIALING RATIO (INTERNATIONAL VERSION)

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects pulse dial make/break ratio

    Command                              Function

      &P0        39/61ms at 10pps (North America)

      &P1        33/67ms at 10pps

                    PULSE DIALING RATIO (JAPAN VERSION)

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects pulse dial make/break ratio

    Command                              Function

      &P0        33/67ms at 10pps

      &P1        33/67ms at 20pps

                            V.32 - AUTO-RETRAIN

  Type:            Configuration

  Format:          AT [cmds] &Bn [cmds]

  Description:     Controls auto-retrain function if poor line quality is
                   detected

     Command                              Function

       &B0         Auto-retrain disabled modem hangs-up

       &B1         Auto-retrain enabled if line quality is poor

       &B2         Auto-retrain disabled modem does not hang-up,
                   tolerates any line

                          Extended AT Command Set

                                BREAK TYPE

  Type:                        Configuration

  Format:                      AT [cmds] \Kn [cmds]

  Description:                 Configures action of break signal

      Command        Break to DTE through    Break from DTE during DIRECT
                      serial port during                mode
                     NORMAL or MNP mode

        \K0         Online command mode     Send break to remote modem,
                    enabled, send no        online command mode enabled
                    break to remote
                    modem

        \K1         Break sent to remote    Send break to remote modem,
                    modem and buffered      online command mode enabled
                    cleared

        \K2         Online command mode     Send break to remote modem
                    enabled, send no
                    break to remote
                    modem

        \K3         Send break to remote    Send break to remote modem,
                    modem immediately       online command mode enabled

        \K4         Online command mode     Send break to remote modem
                    enabled, send no
                    break to remote
                    modem

        \K5         Send break with         Send break to remote modem
                    transmitted data

                            BREAK TYPE (CONT.)

  Type:                        Configuration

  Format:                      AT [cmds] \Kn [cmds]

  Description:                 Configures action of break signal

      Command           Break from DTE        Break received from remote
                     during NORMAL or MNP      modem during NORMAL mode
                            mode

        \K0          Buffers cleared,       Buffers cleared, break sent
                     break sent to DTE      to DTE

        \K1          Buffers cleared,       Buffers cleared, break sent
                     break sent to DTE      to DTE

        \K2          Break sent             Break sent immediately to DTE
                     immediately to
                     remote modem

        \K3          Break sent             Break sent immediately to DTE
                     immediately to
                     remote modem

        \K4          Break sent with        Break sent with received data
                     received data to       to the DTE
                     remote modem

        \K5          Break sent with        Break sent with received data
                     received data to       to the DTE
                     remote modem



                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Controls the type of connection the modem will operate
                 in

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        Reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        V.42 reliable mode enabled

                             FIRMWARE VERSION

  Type:          Configuration

  Format:        AT [cmds] -Vn [cmds]

  Range:         Unidentified

  Unit:          ASCII

  Description:   Displays firmware version number

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        Flow control disabled

      \Q1        Bi-directional XON/XOFF flow control enabled

      \Q2        CTS flow control by DCE enabled

      \Q3        Bi-directional RTS/CTS flow control enabled

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Range:                 0-90

  Unit:                  1 second

  Description:           Sets the length of time that the modem does not
                         receive information before it disconnects.

                            S (status) Registers

                              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=3          300bps

        S37=5          1200bps

        S37=6          2400bps

        S37=7          4800bps

        S37=8          7200bps

        S37=9          9600bps

       S37=10          12Kbps

       S37=11          14.4Kbps

       S37=12          16.8Kbps

       S37=13          19.2Kbps

       S37=14          21.6bps

       S37=15          24.0Kbps

       S37=16          26.4Kbps

       S37=17          28.8Kbps

       S37=18          33.6Kbps

                              DTE RATE STATUS

  Type:          Register

  Format         AT [cmds] S62=n [cmds]

  Description:   Reports DTE rate status

    Command                              Function

     S62=0       300bps

     S62=1       600bps

     S62=2       1200bps

     S62=3       2400bps

     S62=4       4800bps

     S62=5       9600bps

     S62=6       7200bps

     S62=7       12Kbps

     S62=8       14.4Kbps

     S62=9       16.8Kbps

     S62=10      19.2Kbps

     S62=11      21.6bps

     S62=12      24.0Kbps

     S62=13      26.4Kbps

     S62=14      28.8Kbps

     S62=15      38.4Kbps

     S62=16      57.6Kbps

     S62=17      115.2Kbps

                                 DTE SPEED

  Type:          Register

  Format         AT [cmds] S72=n [cmds]

  Description:   Selects DTE speed during data transfer

    Command                              Function

     S72=0       Last auto-baud speed

     S72=1       300bps

     S72=2       600bps

     S72=3       1200bps

     S72=4       2400bps

     S72=5       4800bps

     S72=6       9600bps

     S72=7       7200bps

     S72=8       12Kbps

     S72=9       14.4Kbps

     S72=10      16.8Kbps

     S72=11      19.2Kbps

     S72=12      21.6bps

     S72=13      24.0Kbps

     S72=14      26.4Kbps

     S72=15      28.8Kbps

     S72=16      38.4Kbps

     S72=17      57.6Kbps

     S72=18      115.2Kbps

                   TRANSMISSION LEVEL (JAPAN VERSION)

  Type          Register or Configuration

  Format        AT [cmds] S64=n [cmds]

  Range         9-20

  Unit          -1 dBm

  Description   Sets the signal level for transmission

