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Installation/Set up
Viewing • Listening
and Operation
Recording
Setting up
Others
■Specifications of Alarm Signals
■Example Circuit Connection
ALARM IN
GND
Door Sensor
Network Camera
Name Internal Circuit Signal Condition
Alarm Input
3.3V
0V
100ms or more
Non-Voltage point signal, TTL signal inputs
To
CMOS input
1k
Inside
the
Camera
IK-WB02-79-85 2004.10.21, 02:2681