
OSITECH COMMUNICATIONS, INC.

FIVE OF DIAMONDS

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

                                                                      54688

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, A/

  A, B, E, H, M, O, P, Q, T, W, Y, Z

  &C, &F, &L, &P, &R, &T, &V, &W, &Y, &Z

                           Extended AT Commands

  \B, \G, \K, \N

  %C, %L, %Q

  -K, *H

  @M, :E, )M

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18,
  S21, S22, S23, S24, S25,

  S27, S28, S30, S31, S32, S33, S38, S39, S40, S41, S86, S95

                             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             Auto-mode detection enabled

                            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.

      &Q4         Auto-synchronous mode

      &Q5         Error correction mode

      &Q6         Buffered asynchronous mode

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode options. Same as &Q

                           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

            Note: The action each variant of &D causes depends on the setting of &Q

        &Q Setting                &D0               &D1               &D2               &D3

       &Q0, &Q5, &Q6              NONE           Command 1         Command 2         Command 3

         &Q1, &Q4              Command 1         Command 1         Command 2         Command 3

         &Q2, &Q3              Command 2         Command 2         Command 2         Command 2

          Command                                          Function

         Command 0          Modem does not respond to DTR

         Command 1          Modem goes to command mode after DTR goes is off

         Command 2          Modem goes to command mode and disconnects (hangs up) after DTR goes
                            off; Auto-Answer is disabled.

         Command 3          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

          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

          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&             Wait for calling card bong tone detection
                         function enabled. Waits for bong for amount of
                         time specified by the S7 command.

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

          D^             1300Hz calling tone enabled

                                GUARD TONE

  Type:          Configuration

  Format:        AT [cmds] &Gn [cmds]

  Description:   No function. Included for compatibility

                                 JACK TYPE

  Type:          Configuration

  Format:        AT [cmds] &Jn [cmds]

  Description:   No function. Included for compatibility

                               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

      &K6        Unidirectional XON/XOFF flow control enabled

                              LINE MODULATION

  Type:          Configuration

  Format:        AT [cmds] Fn [cmds]

  Description:   Assures a connection at a specific speed

    Command                              Function

       F0        Auto-detect mode

       F1        V.21 or Bell 103

       F3        V.23 at 1200/75bps

       F4        V.22 at 1200bps

       F5        V.22bis at 2400bps

       F6        V.22bis or V.32 at 4800bps

       F7        V.32bis or V.32 at 7200bps

       F8        V.32bis or V.32 at 9600bps

       F9        V.32bis at 12.0Kbps

      F10        V.32bis at 14.4Kbps

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports four digit product code

       I1        Reports ROM checksum

       I2        Tests and reports ROM checksum

       I3        Reports firmware manufacturer information

       I4        Reports product identification

       I5        Reports country code

       I6        Reports hardware identification

                     SELECT CALL PROGRESS RESULT CODES

  Type:                Configuration

  Format:              AT [cmds] Xn [cmds]

  Description:         Enables selection of tone detection and associated
                       result code format options

       Command                              Function

          X0           Busy and dial tone detection disabled; result
                       codes 0 - 4, 8, 22, 40 - 81 enabled.

          X1           Busy and dial tone detection disabled; result
                       codes 0 - 5, 8 - 81 enabled.

          X2           Busy tone detection disabled, dial tone detection
                       enabled; result codes 0 - 6,

                       8 - 81 enabled.

          X3           Busy tone detection enabled, dial tone detection
                       disabled; result codes 0 - 5,

                       7 - 81 enabled.

          X4           Busy and dial tone detection enabled; result codes
                       0 - 81 enabled.

                              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

                          Extended AT Command Set

                 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

       %E2         Auto-fallback/fall-forward enabled

       %E3         Auto-retrain enabled; hang-up when EQM reaches hang-up
                   threshold

                            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          Attempt to connect at speed of last connection

        S37=1          Attempt to connect at 300bps

        S37=2          Attempt to connect at 300bps

        S37=3          Attempt to connect at 300bps

        S37=4          Attempt to connect at Reserved

        S37=5          Attempt to connect at V.22 at 1200bps

        S37=6          Attempt to connect at V.22bis at 2400bps

        S37=7          Attempt to connect at V.23 at 75/1200bps

        S37=8          Attempt to connect at V.32bis/V.32 at 4800bps

        S37=9          Attempt to connect at V.32bis/V.32 at 9600bps

       S37=10          Attempt to connect at V.32bis at 12.0Kbps

       S37=11          Attempt to connect at V.32bis at 14.4Kbps

       S37=12          Attempt to connect at V.32bis at 7200bps

       S37=15          Attempt to connect at V.FC at 14.4Kbps

       S37=16          Attempt to connect at 16.8Kbps

       S37=17          Attempt to connect at 19.2Kbps

       S37=18          Attempt to connect at 1600bps

       S37=19          Attempt to connect at 24.0Kbps

       S37=20          Attempt to connect at 26.4Kbps

       S37=21          Attempt to connect at 28.8Kbps

                       ERROR CORRECTION/COMPRESSION

  Type:           Register

  Format:         AT [cmds] S46=n [cmds]

  Description:    Selects active error correction and compression
                  protocols

    Command                              Function

    S46=136       LAP-M only, no compression

    S46=138       LAP-M with V.42bis data compression

                       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=2          Reserved

         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=6          Reserved

         S36=7          Attempt a connection at MNP2-4; if that fails,
                        attempt a buffered connection.

                        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

