
DVR User Manuel 66
Appendix B
1. Alarm I/Os and RS-485 for PTZ
2. RS-485 Input and Output Pin Assignment
Pin 1
Alarm input 1
Pin 2
Alarm input 2
Pin 3
Alarm input 3
Pin 4
Alarm input 4
Pin 5
Alarm input 5
Pin 6
Alarm input 6
Pin 7
Alarm input 7
Pin 8
Alarm input 8
Pin 9
GND
Pin 10
ALARM NO (normal open)
Pin 11
ALARM NC (normal close)
Pin 12
COM
Pin 13
RS485+
Pin 14
RS485-
Terminal
Name
1
--
2
--
3
--
4
--
5
RS-485 – Out Link Keyboard
6
RS-485 + Out Link Keyboard
7
GND
8
12V + DC input
Содержание DVR708
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