Installation and User manual
EVD-16/400A16HCB
90
www.eurovideo-cctv.com
Appendix 1
Alarm Sensor Installation
1. Components
1) External Sensor: 1
2) DVR System: 1
2. Inner Circuit for Sensor Input
The inner circuit of Quantum DVR is as follows,
5V DC
2.2k
0.1uF
PC817
12V DC
2.2k
Internal Check Point
Outlet Point
SENSOR IN
DVR
GND