E-TECH RESEARCH, INC.

C336MX PCMCIA

Card Type                    Modem (asynchronous)
Chipset                      Unidentified
Maximum Data Rate            33.6Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I & II
Data Modulation              Bell 103A/212A

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

                             AT&T V.32terbo
Fax Modulation               ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                                                                      53137

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, ‘comma’, A/

  A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z

  &C, &D, &F, &G, &K, &L, &R, &S, &T, &V, &W, &Y, &Z

                           Extended AT Commands

  \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X

  %A, %C, %G

                            Special AT Commands

  "H, -J, "N, "O

                                S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S22, S25,
  S26, S27, S30

  S28, S29, S30, S31, S32, S33, S36, S38, S39, S40, S41, S46, S48, S82,
  S86, S91, S92, S95, S201

            Note: See MHI documentation for complete information.

  UNIDENTIFIED COMMANDS

   Command      Default

      O           N/A

     S42       Read-only

                         Proprietary AT Command Set

                            DISPLAY INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested about the modem.

    Command                              Function

       I0        Displays product identification code.

       I1        Displays ROM checksum.

       I2        Displays OEM string.

       I3        Displays firmware revision.

       I4        Displays EEPROM type.

       I5        Displays DSP chip version.

       I9        Displays Flash ROM checksum.

                                LINE SPEED

  Type:                Register

  Format               AT [cmds] S37=n [cmds]

  Description:         Sets the maximum allowable connect speed attempted
                       during the handshaking process.

       Command                              Function

        S37=0          Speed of last connection

        S37=3          Connect at 300bps.

        S37=5          Connect at 1200bps.

        S37=6          Connect at 2400bps.

        S37=7          Connect at 4800bps.

        S37=8          Connect at 7200bps.

        S37=9          Connect at 9600bps.

        S37=10         Connect at 12Kbps.

        S37=11         Connect at 14.4Kbps.

        S37=12         Connect at 16.8Kbps.

        S37=13         Connect at 19.2Kbps.

        S37=14         Connect at 21.6Kbps.

        S37=15         Connect at 24Kbps.

        S37=16         Connect at 26.4Kbps.

        S37=17         Connect at 28.8Kbps.

        S37=18         Connect at 31.2Kbps.

        S37=19         Connect at 33.6Kbps.

    See document E-TECH RESEARCH, INC. C288MX PCMCIA for a full command
                                  summary.