User's Manual

Appendix B: Port Pinouts
Battery Contacts
B-2Psion Teklogix 7530 Hand-Held Computer User Manual
9. Ground.
10. USB Device Minus. When terminal operated as a USB device.
11. USB Device Plus. When terminal operated as a USB device.
12. Ground
B.3 Battery Contacts
These contacts represent right to left numbering with the 7530 docking port pointing
toward you.
1. Battery Plus
2. SMBUS CLK
3. Battery ID. Identifies battery type (2 cell-100K resistor to Battery
Negative, 3-cell 100K resistor to battery Negative).
4. SMBUS Data.
5. Battery Negative.