
ARCHTEK AMERICA CORPORATION

2834BR

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     8-bit ISA
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103J/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

          BASE I/O ADDRESS SELECTION

      Port           SW1/C          SW1/D

  COM1: (3F8h)        On              On

  COM2: (2F8h)        On             Off

  COM3: (3E8h)        Off             On

  COM4: (2E8h)        Off            Off

                       INTERRUPT SELECTION

    IRQ       SW1/A      SW1/B       JP1        JP2       JP3

     2         Off        Off       Open       Open      Closed

     3         On         Off       Open       Open       Open

     4         Off        On        Open       Open       Open

     5         Off        Off       Open      Closed      Open

     7         Off        Off      Closed      Open       Open

                         Proprietary AT Command Set

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT %En

  Example:       AT %E0 <CR>

  Description:   Selects auto-retrain mode.

    Command                              Function

      %E0        Auto-retrain disabled.

      %E1        Auto-retrain enabled.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem.

                                BREAK TYPE

  Type:           Configuration

  Format:         AT [cmds] \Kn [cmds]

  Example:        AT \K0 <CR>

  Description:    Configures action of break signal.

     Command       Break from DTE      Modem receives       Break from
                                            \B             remote modem

       \K0         Enter command      Buffers cleared    Buffers cleared
                   mode, do not       and break sent     and break sent
                   send break to      to remote modem.   to DTE.
                   remote modem.

       \K1         Buffers cleared    Buffers cleared    Buffers cleared
                   and break sent     and break sent     and break sent
                   to remote modem.   to remote modem.   to DTE.

       \K2         Enter command      Send break to      Send break to
                   mode, do not       remote modem       DTE immediately.
                   send break to      immediately.
                   remote modem.

       \K3         Send break to      Send break to      Send break to
                   remote modem       remote modem       DTE immediately.
                   immediately.       immediately.

       \K4         Enter command      Send break to      Break sent with
                   mode, do not       remote modem       received data to
                   send break to      with transmitted   the DTE.
                   remote modem.      data.

       \K5         Send break with    Send break to      Break sent with
                   transmitted        remote modem       received data to
                   data.              with transmitted   the DTE.
                                      data.

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmd] %Cn [cmd]

  Example:       AT %C0 &W<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression enabled.

      %C2        V.42bis enabled.

      %C3        V.42bis and MNP5 enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N0 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N1        Direct mode enabled.

      \N2        Reliable mode enabled.

      \N3        Auto-reliable mode enabled.

      \N4        LAPM mode enabled.

      \N5        MNP mode enabled.

                         FLASH DIAL MODIFIER TIME

  Format                AT [cmds] S29=n [cmds]

  Example:              ATS29=0<CR>

  Default:              0

  Range:                0-255

  Unit:                 10 ms

  Description:          Time the modem will go on-hook upon receiving the
                        ! dial modifier in dial string.

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Example:       ATS33=19<CR>

  Default:       19

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF.

                       FLOW CONTROL CHARACTER - XON

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Example:       ATS32=17<CR>

  Default:       17

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XON.

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Example:       AT \J0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

      \J0        Serial speed locked.

      \J1        Serial speed follows connect speed.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  Description:   Sets the maximum transmittable block size.

    Command                              Function

      \A0        MNP block size is 64 characters.

      \A1        MNP block size is 128 characters.

      \A2        MNP block size is 192 characters.

      \A3        MNP block size is 256 characters.

                           MNP STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Example:       AT \L1 DT555-1212<CR>

  Description:   Selects the transfer mode for MNP.

    Command                              Function

      \L0        Stream mode for MNP enabled.

      \L1        Block mode for MNP enabled.

                           MODULATION SELECTION

  Type:                Configuration

  Format:              AT [cmds] +MS=xx,y,zzz,aaa [cmds]

  Example:             AT +MS11,1,300,28800 &W<CR>

  Description:         Sets options for active protocol. The transfer
                       rates specified by z and a must be valid for the
                       protocol selected.

       Command                              Function

         x=0           V.21

         x=1           V.22

         x=2           V.22bis

         x=3           V.23

         x=9           V.32

        x=10           V.32bis

        x=11           V.34

        x=64           Bell 103A

        x=69           Bell 212A

        x=74           V.FC

         y=0           Automode disabled.

         y=1           Auto-detect highest speed enabled.

      z, a=300         Set minimum or maximum transfer rate at 300bps,
                       respectively.

      z, a=1200        Set minimum or maximum transfer rate at 1200bps,
                       respectively.

      z, a=2400        Set minimum or maximum transfer rate at 2400bps,
                       respectively.

      z, a=4800        Set minimum or maximum transfer rate at 4800bps,
                       respectively.

      z, a=7200        Set minimum or maximum transfer rate at 7200bps,
                       respectively.

      z, a=9600        Set minimum or maximum transfer rate at 9600bps,
                       respectively.

     z, a=12000        Set minimum or maximum transfer rate at 12000bps,
                       respectively.

     z, a=14400        Set minimum or maximum transfer rate at 14400bps,
                       respectively.

     z, a=16800        Set minimum or maximum transfer rate at 16800bps,
                       respectively.

     z, a=19200        Set minimum or maximum transfer rate at 19200bps,
                       respectively.

     z, a=21600        Set minimum or maximum transfer rate at 21600bps,
                       respectively.

     z, a=24000        Set minimum or maximum transfer rate at 24000bps,
                       respectively.

     z, a=26400        Set minimum or maximum transfer rate at 26400bps,
                       respectively.

     z, a=28800        Set minimum or maximum transfer rate at 28800bps,
                       respectively.

