I/O Configuration - Monacor VNC-3052 User Manual

VII. I/O Configuration
1. I/O Connection
a. Connect the GND & DO pin to the external relay (buzzer) device.
b. Connect the GND & DI pin to the external trigger device.
When no event occurs, DO output is 5V (DO and GND are disconnected).
When the camera detects events it will trigger and external alarm, DO output is
0V (DO and GND are connected).
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