GLOBAL DATA SUPPLY

MULTI-FUNCTION PCMCIA LAN+FAX/MODEM

Card Type                    Fax, Modem (synchronous/asynchronous),
                             Network Interface Card
Chip Set                     Unidentified
NIC Type                     Ethernet
Maximum Modem Rate           28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29, V.21 CH2
Error Correction/Compression MNP5, V.42, V.42bis
Topology                     Star
Wiring Type                  Unshielded twisted pair

                                                                      54683

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, A/

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

  &C, &D, &F, &T, &V, &W

                           Extended AT Commands

  \K, \N

  %E, %Q

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S24, S25, S26,
  S29, S30, S32, S33

  S37, S38

  Note: See MHI Help file for full command documentation.

                         PROPRIETARY AT COMMAND SET

                                AUTODETECT

  Type:          Configuration

  Format:        AT [cmds] Fn [cmds]

  Description:   Selects auto-detect mode

                            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             .Auto-mode detection enabled

                           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

                                GUARD TONE

  Type:           Configuration

  Format:         AT [cmds] &Gn [cmds]

  Description:    Commands the modem to transmit a guard tone in
                  V.22/V.22bis

            Note: Used primarily for international data transmission

    Command                              Function

      &G0         Guard tone disabled

      &G1         Guard tone disabled

      &G2         1800Hz guard tone enabled

                            PULSE DIALING RATIO

  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 (Europe)

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports product code

                             RESPONSE MESSAGE

  Type:          Configuration

  Format:        AT [cmds] Cn [cmds]

  Description:   Returns OK message

    Command                              Function

       C1        Reports OK