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Appendix B: Port Pinouts
External Keyboard–High Density DB-26 (8530 G2 Only)
B-4 Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer User Manual
18 No connect Not used
19 System Power 15V Heater Power
20 System Power 15V Heater Power
21 No connect Not used
22 Ground Power
23 Ground Power
24 No Connect Not used
25 Keyboard Detect IN 3V3
Loop-back signal to
detect keyboard
installed
26 Keyboard Detect Out 3V3
Loop-back signal to
detect keyboard
installed
Signal
#
Function Signal Type Notes