Samsung SNB-9000 User Manual page 24

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installation & connection
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
Warning lamp / Siren power
24_ installation & connection
DC 5V or 3.3V
RESISTOR
RESISTOR
DIODE
10K ohm
2
1
NO
COM
TRANSISTOR
NC
NO
COM
NC
RELAY
GND
Inside of the camera
VCC_3.3V
DIODE
ALARM OUT
NO
COM
NC
NO
COM
NC
RELAY
COM

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