http://www.videopark.com.cn
Email:
25
3.6. OTHER INTERFACE
3.6.1. I/O INTERFACE
Explain:
Index
Name
Description
1
Alarm Input
Alarm Input.
2
GND
GND
3
Alarm Output
Alarm Output.
4
RS-485
RS-485
Form 3- 17
3.6.2. ALARM INPUT
Alarm input type support NO/NC.
Com ports connect with DVR.
NC/NO port connect to DVR.
Alarm detector adopts external power supply, use same ground with DVR.