81
Installation/Set up
Vie
wing • Listening
and Operation
Recor
ding
Setting up
Other
s
■
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, 02:26
81