DVR User Manual
49
APPENDIX
Appendix A. 8-Ch and 16-CH DVR Alarm I/Os and RS485 for PTZ
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-
Appendix B. RS485 Input and Output Pin Assignment
Terminal
Name
1 --
2 --
3 --
4 --
5
RS-485 – Out Link Keyboard
6
RS-485 + Out Link Keyboard
7 GND
8
DC +12V input