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VII.
I/O Configuration
1. I/O Connection
a. Please connect the the external output device (ex.siren) to N.O & COM or
N.C & COM. (Depends on the output devise)
Please connect the GND & ALARM pin to the external trigger device.
When no event happens, NC and COM are connected. When the
camera detects event happening and triggers external alarm, NO and
COM are connected.
If you select "N.O" in "Input sensor setting", when external devise or
circuit makes Alarm and GND pin connected, the camera input alarm
is triggered, and then camera will execute the action user has set, for