User manual
Psion Teklogix 7535/7530 Hand-Held Computer User Manual C-1
APPENDIX C
PORT PINOUTS
C.1 Tether Port Pinout
The tether port connector incorporates multiplexed undecoded scanner, decoded
scanner, RS232 serial, and USB interfaces. In order for it to operate, a special wiring
scheme is needed. If you have a need to create cables for the tether port, contact a
Psion Teklogix representative and request document #
1010032 “Instruction Tether
Port Termination”. Attempting to interface to the tether connector without follow-
ing this document may cause damage to the 7535/7530 or the tethered device.
C.2 Docking Station Connector
1. Ext 5V Switched. Used by external peripherals. 5V, 1A max.
2. RX Data. Console receive pin.
3. TX Data. Console transmit pin
4. DC Power In. External power adapter plus input. 7535s operate at
13 -18V, and 7530s operate at 14.5-18V.
5. USB Host Minus. For connecting USB devices.
6. USB Host Plus. For connecting USB devices.
7. DC Power In. Same as pin 4.
2 4 6 8 10 12
1 3 5 7 9 11