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Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer User Manual B-3
Appendix B: Port Pinouts
External Keyboard–High Density DB-26 (8530 G2 Only)
B.4 External Keyboard–High Density DB-26 (8530 G2 Only)
23 N/C Not used.
24 PCON PROGRAM 3V3
Grounding this pin, together with
removing & re-asserting power to
the terminal puts the PCON in pro-
gramming mode.
25 N/C Not Used.
26 5V POWER Power
Signal
#
Function Signal Type Notes
1 32 Khz Clock + 5V diff
2 32 Khz Clock - 5V diff
3 Keyboard Interrupt + 5V diff
4 Keyboard Interrupt - 5V diff
5Ground Power
6I2C Serial Clock
I2C serial data inter-
face
7 Ground Power
8I2C Serial Data
I2C serial data inter-
face
95V Power
10 5V Switched Power
11 3V3 Standby Power
12 3V3 Switched Power
13 EL Command
Serial data to EL
backlight controller
14 Ground Power
15 Ground Power
16 Ground Power
17 Ground Power
Pin
Number
Signal Name Signal Type Notes