
COMPUTER PERIPHERALS, INC.

VIVA DATA/FAX INTERNAL

Modem Type                   Data (asynchronous)/Fax
Maximum Data Rate            2400bps
Maximum Fax Rate             9600bps
Data Bus                     8-bit ISA
Fax Class                    Class I
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis
Fax Modulation Protocol      ITU-T V.27ter, V.29
Error Correction/Compression MNP5, V.42bis

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

            BASE I/O ADDRESS & INTERRUPT SELECTION

        Port                 JP2                  JP3

    COM1: (3F8h)       Pins 2 & 3 closed   Pins 2 & 3 closed

    COM2: (2F8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

    COM3: (3E8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

   COM4: (2E8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

           INTERRUPT SELECTION

         IRQ                 JP1

   3                 Pins 1 & 2 closed

          4           Pins 3 & 4 closed

          5           Pins 5 & 6 closed

          7           Pins 7 & 8 closed

                         Proprietary AT Command Set

  BIT-MAPPED REGISTERS

  Register     Default

    S14          170

    S16           0

    S21           0

    S22          118

    S23           7

    S27          64

    S28           0

                             DTMF ATTENUATION

  Type:          Configuration

  Format:        AT [cmds] %Dn [cmds]

  Example:       AT%D1<CR>

  Default:       Unidentified

  Range:         Unidentified

  Unit:          2dB

  Description:   Sets the DTMF level.

                          SMT LEVEL ATTENTUATION

  Type:          Configuration

  Format:        AT [cmds] %Ln [cmds]

  Example:       AT%L2<CR>

  Default:       Unidentified

  Range:         Unidentified

  Unit:          2dB

  Description:   Sets the SMT level.

