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

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.