Connections, 1 connector pinout – Matrix Orbital GLK12232-25-SM Legacy User Manual
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2. Connections
2.1 Connector Pinout
Refer to the diagram below for this chapter.
Figure 2-1 Electrical Connections
Pin Function
GND
Ground for GPOs
GPO1
General Purpose Output 1
GND
Ground for GPOs
GPO 2
General Purpose Output 2
C1
Keypad column 1
C2
Keypad column 2
C3
Keypad column 3
C4
Keypad column 4
C5
Keypad column 5
R1
Keypad row 1
R2
Keypad row 2
R3
Keypad row 3
R4
Keypad row 4
R5
Keypad row 5
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