Psion Teklogix Vehicle-Mount Computer 8590 - Manual (Page 168)

Appendix C: Pinouts
Serial Port COM1
C-2 8580/8590 Vehicle-Mount Computer User Manual
C.1.3 Serial Port COM1
Version: D-SUB-D, 9-pin, MALE, motherboard reference P15.
C.1.4 Serial Port COM2
Version: D-SUB-D, 9-pin, MALE, via adaptor cable to motherboard reference P16
RS232 Version (standard)
6 USB1 -
7 USB1 +
8 GND
Pin Signal
1 +5V fused
2 USB0 -
3 USB0 +
4 GND
5 +5V fused
6 USB1 -
7 USB1 +
8 GND
Pin Signal Name
1 DCD Data Carrier Detect
2 RxD Receive Data
3 TxD Transmit Data
4 DTR Data Terminal Ready
5 GND Signal Ground
Pin Signal