Specifications

Table of Contents

3/96 Application Module

Service iv

Honeywell Inc.

3.4 Node Processor Related Board Replacement

Overview ............................................................................................................................. 23

Locating shutdown procedure............................................................................................. 23

Board removal/replacement procedure............................................................................... 24

SECTION 4—HARDWARE DESCRIPTION OF COPROCESSOR ........................... 25

4.1 WSI2 Board Description

Overview ............................................................................................................................. 25

WSI2 board illustration........................................................................................................ 25

WSI2 board indicators (LEDs) and switch........................................................................... 26

WSI2 board indicators......................................................................................................... 26

WSI2 board pinning............................................................................................................. 27

Calender clock battery ........................................................................................................ 27

Coprocessor battery location .............................................................................................. 28

Coprocessor memory.......................................................................................................... 28

Coprocessor memory option (32 megabytes)..................................................................... 29

Coprocessor memory option (64 megabytes)..................................................................... 30

Coprocessor memory option (128 megabyte)..................................................................... 30

Coprocessor memory option (265 megabyte)..................................................................... 32

Coprocessor free edge........................................................................................................ 33

Coprocessor free edge illustration ...................................................................................... 33

Coprocessor PIN connection details................................................................................... 34

Coprocessor SCSI interface details .................................................................................... 35

Coprocessor hardware identification number...................................................................... 35

4.2 WSI2 I/O Board Description

WSI2 I/O board cable connections...................................................................................... 37

4.3 Media Access Unit (MAU) Description

Purpose............................................................................................................................... 38

Media Access Unit diagram ................................................................................................ 38

Media Access Unit indicators.............................................................................................. 38

Media Access Unit connection............................................................................................ 39

4.4 WSI2 Board Replacement

Overview ............................................................................................................................. 40

Locating shutdown procedure............................................................................................. 40

WSI2 Board Replacement Procedure................................................................................. 40

4.5 WSI2 I/O Board replacement

Overview ............................................................................................................................. 43

Locating shutdown procedure............................................................................................. 43

WSI2 I/O board Replacement Procedure............................................................................ 43

4.6 Media Access Unit Replacement Procedure

Overview ............................................................................................................................. 45