
PRACTICAL PERIPHERALS, INC.

PC288HC V.34

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 103A/212A

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

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, 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

    Address          SW1/1          SW1/2

  COM1: (3F8h)        On              On

  COM2: (2F8h)        On             Off

  COM3: (3E8h)        Off             On

  COM4: (2E8h)        Off            Off

                          INTERRUPT SELECTION

  IRQ              JP1 pins 1 & 2    JP1 pins 3 & 4    JP1 pins 5 & 6

   3/4                Closed             Open              Open

  2                     Open             Closed             Open

  5                     Open              Open             Closed

                         Proprietary AT Command Set

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] %CCID=n [cmds]

  Example:       AT %CCID=2<CR>

  Description:   Controls the Caller ID function.

  Command                                Function

   %CCID=0      Caller ID disabled.

  %CCID=1        Caller ID displays formatted data.

  %CCID=2        Caller ID displays raw hexadecimal data.

                               CLOCK DOUBLER

  Type:          Configuration

  Format:        AT [cmds] %BAUD=n [cmds]

  Example:       AT %BAUD1<CR>

  Description:   Doubles the local serial port speed.

  Command                                Function

   %BAUD=0      Clock doubler disabled.

  %BAUD=1        Clock doubler enabled.

                               EXTENDED RING

  Format:             AT [cmds] S101=n [cmds]

  Example:            ATS101=40<CR>

  Default:            0

  Range:              0 - 255

  Unit:               Bit-mapped

  Description:        Selects the response to extended ring types.

     Bit        Value                       Function

      0         0      Do not respond to ring type A.

               1        Respond to ring type A.

      1         0      Do not respond to ring type B.

               1        Respond to ring type B.

      2         0      Do not respond to ring type C.

               1        Respond to ring type C.

      3         0      Do not respond to ring type D.

               1        Respond to ring type D.

      4         0      Do not respond to ring type E.

               1        Respond to ring type E.

      5         0      Do not respond to ring type F.

               1        Respond to ring type F.

      6         0      Do not respond to ring type G.

               1        Respond to ring type G.

      7         0      Report RING for all ring types.

               1        Report RING n where n is the ring type.

                               HELP SCREENS

  Type:          Immediate

  Format:        AT [cmds] $H

  Example:       AT $H<CR>

  Description:   Shows modem help screens.

                                  REDIAL

  Type:          Immediate

  Format:        AT [cmds] DL

  Example:       AT M1 DL<CR>

  Description:   Redials the last number dialed.

