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VIVA 24 INTERNAL

COMPUTER PERIPHERALS, INC.

VIVA 24 INTERNAL

Modem Type

Data (asynchronous)

Maximum Data Rate

2400bps

Data Bus

8-bit ISA

Data Modulation Protocol

Bell 103A/212A

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

Error Correction/Compression

MNP5, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Line in

CN2

BASE I/O ADDRESS 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

See document V1610 for a full command summary.