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RS-422 CURRENT LOOP LAN INTERFACE CARD

ZENITH DATA SYSTEMS

RS-422 CURRENT LOOP LAN INTERFACE CARD

Card Type

Serial I/O controller

Chipset Controller

Unidentified

I/O Options

RS-422 serial port

Maximum Dram

N/A

CONNECTIONS

Purpose

Location

RS-422 serial interface

CN1

INTERRUPT SELECT

IRQ

JP2/A

JP2/B

JP2/C

JP2/D

JP2/E

JP2/F

JP2/G

JP2/H

IRQ4

Open

Closed

Open

Open

Open

Open

Open

Open

IRQ3

Closed

Open

Open

Open

Open

Open

Open

Open

IRQ5

Open

Open

Closed

Open

Open

Open

Open

Open

IRQ10

Open

Open

Open

Closed

Open

Open

Open

Open

IRQ11

Open

Open

Open

Open

Closed

Open

Open

Open

IRQ12

Open

Open

Open

Open

Open

Closed

Open

Open

IRQ14

Open

Open

Open

Open

Open

Open

Closed

Open

IRQ15

Open

Open

Open

Open

Open

Open

Open

Closed

BASE MEMORY ADDRESS SELECT

Address

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

3F8-3FFh

Off

Off

Off

Off

Off

Off

Off

2F8-2FFh

Off

On

Off

Off

Off

Off

Off

1A0-1A7h

On

Off

Off

On

Off

On

On

RTS/CTS CONFIGURATION

Setting

JP1

RTS/CTS handshaking disabled

Open

RTS/CTS handshaking enabled

Closed

CURRENT LOOP INTERFACE CONFIGURATION

Setting

SW1/1

Disabled

On

Enabled

Off