Appendix B: Port Pinouts

Battery Contacts

8.Docking Station Id. Identifies device attached to the docking station connector. The external device applies a specific resistance between this pin and ground as identification.

9.Ground.

10.USB Device Minus. Connects to other USB host such as a PC.

11.USB Device Plus. Connects to other USB host such as a PC.

12.Ground

B.3 Battery Contacts

These contacts represent right to left numbering with the docking port pointing toward you, and the battery contacts facing upward.

Battery Contacts

Pin #

Signal

Description

 

 

 

1

POS

Positive Battery

 

 

 

2

CLK

SMBUS Clock

 

 

 

3

BAT_D

Presence/Cell Count

 

 

 

4

DATA

SMBUS Data

 

 

 

5

NEG

Negative Battery

 

 

 

B-2Psion Teklogix 7530 G2 Hand-Held Computer User Manual

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Psion Teklogix 7530 G2 user manual Battery Contacts