LOGICODE TECHNOLOGY, INC.

14.4HV

Card Type                    Modem (synchronous/asynchronous)
Chipset                      Unidentified
Maximum Data Rate            14.4Kbps
Data Modulation              Unidentified (V.32 maximum)
Error Correction/Compression MNP5, V.42, V.42bis
Data Bus                     8-bit ISA
Card Size                    Unidentified

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Telephone line               CN1     Telephone line               CN2

                         SERIAL PORT CONFIGURATION

  Address     IRQ    SW1/1    SW1/2     SW1/3    SW1/4    SW1/5     SW1/6

   COM1:       4      Off       On       Off      Off       On       On

   COM2:       3      On       Off       Off      Off       On      Off

   COM3:       4      Off       On       Off      Off      Off       On

   COM4:       3      On       Off       Off      Off      Off      Off

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, ‘comma’, A/

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

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

                           Extended AT Commands

  \A, \B, \G, \K, \L, \N, \O, \T, \U, \Y, \Z

  %C, %E, %L, %Q

                                S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26,
  S30, S36, S38, S46

  S48, S82, S86, S91, S95

            Note: See MHI help file for complete information.

  UNIDENTIFIED COMMANDS

   Command      Default

     S14           0

     S16           0

     S21           0

     S22          118

     S23           7

     S27          64

     S40          57

     S41           1

                         Proprietary AT Command Set

                            COMMUNICATIONS MODE

  Type:                  Configuration

  Format:                AT [cmds] &Qn [cmds]

  Description:           Selects communications mode options.

        Command                                Mode

          &Q0            Asynchronous direct mode.

          &Q1            Asynchronous off-line command mode and
                         synchronous connect mode.

          &Q2            Asynchronous off-line command mode - modem
                         autodials first number in directory, then
                         synchronous connect mode.

          &Q3            Asynchronous off-line command mode on low DTR,
                         synchronous connect mode on high DTR.

          &Q5            Asynchronous auto-reliable mode.

          &Q6            Asynchronous normal mode.

          &Q8            Asynchronous MNP auto-reliable mode.

          &Q9            Asynchronous V.42bis auto-reliable mode.

                                   DIAL

  Type:                  Immediate

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

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

        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.

           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.

                               DIAL (CON'T)

      Command                              Function

         D@           Wait for Quiet 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^           Calling tone disabled for this call.

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

                            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        Tests and displays ROM checksum result.

       I3        Displays firmware revision.

                      ECHO CANCELLATION OPTIMIZATION

  Type:                  Immediate (on next dial)

  Format:                AT [cmds] \E1 [cmds]

  Description:           Sets the modem to optimize its echo cancellation
                         circuit to match the telephone system the next
                         time a call is placed. The result is immediately
                         stored in NVRAM.

                                LINE SPEED

  Type:                  Register

  Format:                AT [cmds] S37=n [cmds]

  Description:           Sets the maximum allowable data exchange rate
                         attempted during the handshaking process.

        Command                             Function

         S37=0           Attempt to connect at fastest common speed.

         S37=1           Set speed to 300bps.

         S37=2           Set speed to 300bps.

         S37=3           Set speed to 300bps.

         S37=5           Set speed to 1200bps.

         S37=6           Set speed to 2400bps.

         S37=8           Set speed to 4800bps.

         S37=9           Set speed to 9600bps.

        S37=10           Set speed to 12Kbps.

        S37=11           Set speed to 14.4Kbps.

        S37=12           Set speed to 7200bps.

                         V.42bis COMPRESSION MODE

  Type:               Configuration

  Format:             AT [cmds] %Mn [cmds]

  Description:        Selects which directions of data transfer V.42bis
                      compression will be used.

      Command                              Function

        %M0           Compression disabled.

        %M1           Compression enabled on transmit only.

        %M2           Compression enabled on receive only.

        %M3           Bidirectional compression enabled.

                         V.42bis DICTIONARY CLEAR

  Type:          Immediate

  Format:        AT [cmds] %P [cmds]

  Description:   Clears the V.42bis dictionary if V.42bis mode is
                 enabled.

                          V.42bis DICTIONARY SIZE

  Type:                  Configuration

  Format:                AT [cmds] %Dn [cmds]

  Description:           Selects the size of the V.42bis dictionary.

        Command                              Function

          %D0            512 byte dictionary selected.

          %D1            1024 byte dictionary selected.

          %D2            2048 byte dictionary selected.

          %D3            4096 byte dictionary selected on unidirectional
                         compression, 2048 byte dictionary selected on
                         bidirectional compression.

                           V.42bis STRING LENGTH

  Type:                  Configuration

  Format:                AT [cmds] %Sn [cmds]

  Default:               32

  Range:                 6 - 250

  Unit:                  1 byte

  Description:           Sets the maximum number of characters that may
                         be compressed into a single V.42bis token.