Samsung SNO-1080R User Manual page 17

alarm input wiring Diagram
ALARM IN
GND
to connect to the alarm input port
Connect the alarm input signal to the cable input port.
Port
ALARM IN
to connect the alarm input signal
Connect one strand of each signal line (2-strand) of the sensors to the [aLarm in] port,
and connect the other strand to the [GnD] port.
(5ma sink)
1
2
SENSOR
Description
Alarm Input Sensor Port
Port Description
GND
Earth-grounding Port
English _17