Psion Teklogix 7035 - B.3 8255;60 - Expansion Port I;O Connector (36-Pin PCR)

Appendix B: Port Pinouts And Cable Diagrams
8255/60 - Expansion Port I/O Connector (36-Pin PCR)
B-4
Teklogix 7035, 8255 & 8260 Terminals User Manual
B.3 8255/60 - Expansion Port I/O Connector (36-Pin PCR)
Function Pin Signal Name Description
Battery
1 GND System ground.
2 GND System ground.
Voice
3 MIC Microphone input.
4 SPKR Speaker output.
Ground 5 SHIELD System ground.
6 EXP_PORT 0 Reserved for future expansion.
Ground 7 GND System ground.
8 EXP_PORT 1 Reserved for future expansion.
Ground 9 GND System ground.
10 EXP_PORT 2 Reserved for future expansion.
Ground 11 GND System ground.
12 EXP_PORT 3 Reserved for future expansion.
Ground 13 GND System ground.
14 EXP_PORT 4 Reserved for future expansion.
15 EXP_PORT 5 Reserved for future expansion.
Ground 16 GND System ground.
17 EXP_PORT 6 Reserved for future expansion.
18 RTS_2 EXP_PORT_COM1
– 19 CTS_2 EXP_PORT_COM1
– 20 TXD_2 EXP_PORT_COM1
– 21 RXD_2 EXP_PORT_COM1
Power
22 8.0V 8V output. 500 mA fuse.
23 8.0V 8V output. 500 mA fuse.
Alarm 24 BEEP External beeper output.