Appendix A: Pinouts

Battery Connector

A.2 Battery Connector

PIN #

Signal Name

DESCRIPTION

 

 

 

1

B-

Battery Negative

 

 

 

2

DQ

Bi-directional data (DS2762)

 

 

 

3

TH (GND)

Ground

 

 

 

4

B+

Battery Positive

 

 

 

5

PS

Power Switch Sensor

 

 

 

-

POLARITY TAB

 

 

 

 

6

B-

Battery Negative

 

 

 

A.3 Expansion Port Pinout

PIN #

Signal Name

Function

 

 

 

1, 2, 5, 13, 14, 15, 16

DGND

Power Ground

 

 

 

3

USB-

USB Device port negative data

 

 

 

4

USB+

USB Device port positive data

 

 

 

6

EXP-~TRIG

Pistol Grip Trigger signal

 

 

 

7

EXP_~DETECT

Detection of installed device

 

 

 

8, 9, 10, 11, 12

SW_VSYS_PWR

Power Output (2.7-4.2VDC, 1A peak,

 

 

500mAh nominal) switched

 

 

 

A-2Psion Teklogix NEO Hand-Held Computer User Manual

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Psion Teklogix PX750 manual Battery Connector, Expansion Port Pinout