Hardware details, Pcb layout, Connectors – POSIFLEX Business Machines PST KB136 User Manual
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HARDWARE DETAILS
PCB LAYOUT
CONNECTORS
Position
Connector Type
Function
JP1
DIP 5 pin jack
External KB connector
JP3
8 x 1 header
6 position key lock
JP5
4 pin header 90
°
Internal KB
JP6
11 pin lock connector
Narrow tongue of membrane
JP12
(7 x 1 header)
Reserved alternative external KB connector
JP13
(Mini DIN 6 pin jack)
Reserved alternative external KB connector
JP15
16 pin lock connector
Wide tongue of membrane
JP20
2 pin header
Cap Lock LED
JP21
2 pin header
(Num Lock LED)
JP181
2 pin header
Power On LED
JP185
8 x 1 header
MSR connector
JP186
3 x 1 header
MSR LED