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SDLC ADAPTER

SYNAPSE COMMUNICATIONS

SDLC ADAPTER

Card Type

Digital I/O card

I/O Options

Serial port

Data Bus

8-bit ISA

Card Size

Half-length

CONNECTIONS

Function

Label

RS-232 connector

CN1

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

JP2

Pins 1 & 2 closed

BASE I/O ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

210h

Off

On

On

On

On

Off

On

On

218h

Off

On

On

On

On

Off

Off

On

220h

Off

On

On

On

Off

On

On

On

228h

Off

On

On

On

Off

On

Off

On

230h

Off

On

On

On

Off

Off

On

On

3A8h

Off

Off

Off

On

Off

On

Off

On

3C0h

Off

Off

Off

Off

On

On

On

On

3C8h

Off

Off

Off

Off

On

On

Off

On

3E0h

Off

Off

Off

Off

Off

On

On

On

3E8h

Off

Off

Off

Off

Off

On

Off

On

Note:

A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=32768, SW1/7=16384, SW1/6=8192, SW1/5=4096, SW1/4=2048, SW1/3=1024, SW1/2=512, SW1/1=256. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0)

INTERRUPT SELECTION

IRQ

JP1

 

2

Pins 1 & 2 are closed

3

Pins 3 & 4 are closed

 

4

Pins 5 & 6 are closed

 

5

Pins 7 & 8 are closed

 

7

Pins 9 & 10 are closed