Hanwha Techwin Wisenet TNM-3620TDY User Manual page 12

installation & connection
To connect the external sensor
Connect one signal line of a 2-wire sensor to the [ALARM IN] port and connect the other wire to the [GND]
port.
Alarm In Wiring Diagram
External Inside of the camera
connection
RESISTOR
Sensor
ALARM IN (5mA SINK) RESISTOR
MLCC
GND
Alarm Out Wiring Diagram
External connection
Warning lamp /
DC 5V or 3.3V
Siren power
DIODE
RESISTOR 10K ohm
TRANSISTOR
Warning lamp /
RELAY
Siren
GND
12_ installation & connection
VCC_3.3V
RESISTOR
DIODE
TRANSISTOR
GND
Inside of the camera
ALARM OUT (12VDC 20mA MAX)
RESISTOR
TRANSISTOR
GND
GND