5
[2] Not used
-
always have
DOWN
COM
B
A
+12V
COM
B
A
+12V
A separate module is
required for radio
outputs
[1] 120
Ω
Termination Resistor
RS485a (#1)
RS485b (#1)
Digital Sensor
Digital Bus
Analogue Mux
Digital Mux
Tx
Rx
COM
Radio
+5V/
+12V
Siren
Horn
Light
+12V
COM
Power OUT
Modem, Mux
G8 Module Connections (bottom side)