APPENDIX A

PINOUTS

A.1

Docking Connector Pinout

 

 

 

 

 

 

PIN #

Signal Name

Function

 

 

 

 

 

1

DGND

Ground

 

 

 

 

 

2, 3, 4

VDD_EXT_POWER

Power Input (6 VDC, 2.8 A)

 

 

 

 

 

5

BATT_OUT

Not Connected

 

 

 

 

 

6

AUDIO_N

Not Connected

 

 

 

 

 

7

AUDIO_P

Not Connected

 

 

 

 

 

8

VBUS_5V

USB Vbus (5 V @ 500 mA)

 

 

 

 

 

9

DOCK_ID

Dock Identifier

 

 

 

 

 

10

USB_DOCK_D-

USB Data Negative

 

 

 

 

 

11

USB_DOCK_D+

USB Data Positive

 

 

 

 

 

12

USB_DOCK_ID

USB Identifier

 

 

 

 

 

13

DGND

Ground

 

 

 

 

 

14

TXD

RS232 Transmit Console Data

 

 

 

 

 

15

RXD

RS232 Receive Console Data

 

 

 

 

 

16

DGND

Ground

 

 

 

 

Psion Teklogix NEO Hand-Held Computer User Manual

A-1

Page 221
Image 221
Psion Teklogix PX750 manual Appendix a, Docking Connector Pinout