Samsung SND-6011R User Manual page 29

to connect the external sensor
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.
alarm in wiring Diagram
External
connection
Sensor
ALARM IN (5mA SINK)
Inside of the camera
RESISTOR
RESISTOR
MLCC
GND
VCC_3.3V
RESISTOR
DIODE
TRANSISTOR
GND
English _29