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Document # 106050
© 2019 PalatiumCare, Inc - Rev 1.3.3
Keypad to Keypad Wiring Harness (J5) Pinout
(Front View)
PIN
Description
Wire Color
1
+VDC from Battery
White/Red
2
+VDC from Battery
White/Red
3
+VDC from External Power Adapter
Red
4
+VDC from External Power Adapter
Red
5
RS232 RX
**
Green or Yellow
6
RS232 TX
**
Yellow or Green
7
Ground
Black
8
Ground
Black
**
Wiring needs pin 5 and pin 6 crossed for communication between keypads.