Samsung SNB-6011 User Manual page 23

To connect the alarm out
If devices (e.g., flashing light and siren) that exceed the voltage and current specifications
are connected by using the open collector method, it may cause malfunction.
Refer to the alarm out connection diagram below when connecting devices that exceed the
voltage and current specifications.
Alarm Out Wiring Diagram
External connection
Warning lamp / Siren power
(-) (+)
DIODE
Warning lamp /
RELAY
Siren
DC 5V or 3.3V
RESISTOR 10K ohm
TRANSISTOR
GND
Inside of the camera
ALARM OUT (12VDC 20mA MAX)
TRANSISTOR
GND
GND
English _23