NETWORK INTERFACE TECHNOLOGY CORPORATION

16-BIT ARCNET ADAPTER

NIC Type

ARCnet

Transfer Rate

2.5Mbps

Data Bus

8-bit ISA

Topology

Star

Linear Bus

Wiring Type

Unshielded twisted pair

RG58A/U 50ohm coaxial

Boot ROM

Available

CABLE TYPE

Type

J5/A

J5/B

J5/C

»

RG58A/U 50ohm coaxial

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Unshielded twisted pair

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CONNECTIONS

Purpose

Location

J1

External LED connector 1

J2

External LED connector 2

DIAGNOSTIC LED

LED

Color

Status

Condition

LED1

Red

On or Blinking

Data transmission is occurring

LED2

Green

On

Proper connection established

LED2

Green

Blinking

Reconfiguration occurring

LED1 & LED2

Red & Green

Off

Call Technical Support

INTERRUPT SELECT

IRQ

J7/A

J7/B

J7/C

J7/D

J7/E

J7/F

J7/G

IRQ2

Closed

Open

Open

Open

Open

Open

Open

IRQ3

Open

Closed

Open

Open

Open

Open

Open

IRQ4

Open

Open

Closed

Open

Open

Open

Open

IRQ5

Open

Open

Open

Closed

Open

Open

Open

IRQ10

Open

Open

Open

Open

Closed

Open

Open

IRQ11

Open

Open

Open

Open

Open

Closed

Open

IRQ12

Open

Open

Open

Open

Open

Open

Closed

I/O ADDRESS SELECT

Address Range

J4/F

J4/G

J4/H

260h - 26Fh

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

290h - 29Fh

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

2E0h - 2EFh

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

2F0h - 2FFh

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

300h - 30Fh

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

350h - 35Fh

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

380h - 38Fh

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

3E0h - 3EFh

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

BASE MEMORY ADDRESS SELECT

Address Range

J4/A

J4/B

J4/C

J4/D

J4/E

C0000h - C07FFh

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

C0800h - C0FFFh

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

C1000h - C17FFh

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

C1800h - C1FFFh

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

C4000h - C47FFh

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

C4800h - C4FFFh

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

C5000h - C57FFh

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

C5800h - C5FFFh

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

CC000h - CC7FFh

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

CC800h - CCFFFh

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

CD000h - CD7FFh

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

CD800h - CDFFFh

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

D0000h - D07FFh

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

D0800h - D0FFFh

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

D4800h - D4FFFh

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

D1800h - D1FFFh

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

D4000h - D47FFh

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

D5000h - D57FFh

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

D5800h - D5FFFh

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

D8000h - D87FFh

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

D8800h - D8FFFh

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

D9000h - D97FFh

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

D9800h - D9FFFh

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

DC000h - DC7FFh

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

DC800h - DCFFFh

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

DD000h - DD7FFh

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

DD800h - DDFFFh

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

E0000h - E07FFh

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

E0800h - E0FFFh

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

E1000h - E17FFh

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

E1800h - E1FFFh

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Note: All Pins designated should be in the closed position.

BOOT ROM

Setting

J3

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

NODE ADDRESS

Node

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

0

-

-

-

-

-

-

-

-

1

Off

On

On

On

On

On

On

On

2

On

Off

On

On

On

On

On

On

3

Off

Off

On

On

On

On

On

On

4

On

On

Off

On

On

On

On

On

251

Off

Off

On

Off

Off

Off

Off

Off

252

On

On

Off

Off

Off

Off

Off

Off

253

Off

On

Off

Off

Off

Off

Off

Off

254

On

Off

Off

Off

Off

Off

Off

Off

255

Off

Off

Off

Off

Off

Off

Off

Off

Note:Node address 0 is used for messaging between nodes and must not be used.

A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 8=128, 7=64, 6=32, 5=16, 4=8, 3=4, 2=2, 1=1. Turn Off the switches and add the values of the Off switches to obtain the correct node address. (On=0, Off=1)

TOPOLOGY

Topology

J6

Star

Closed

Linear Bus

Open