appendix A

CONNECTOR PIN ASSIGNMENTS

This appendix contains the pin assignments for many computer connectors. Some of these connectors may not be used on the computer being serviced.

Enhanced Keyboard

Connector and Icon

Pin

Signal

6 5

4 KEY 3

2 1

1Data

2Unused

3Ground

4+5 VDC

5Clock

6Unused

Mouse

Connector and Icon

Pin

Signal

6 5

4 KEY 3

2 1

1Data

2Unused

3Ground

4+5 VDC

5Clock

6Unused

Ethernet BNC

Connector and Icon

Pin

Signal

 

1

(Inside)

Data

 

2

(Outside)

Ground

Ethernet RJ-45

Connector and Icon

Pin

Signal

1 3 5 7

2 4 6 8

1(+) Transmit Data

2(-) Transmit Data

3(+) Receive Data

4Unused

5Unused

6(-) Receive Data

7Unused

8Unused

Deskpro Service Reference Guide

A-1