User manual

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Vista QPlus H.264 V2.2 (RP03)
Quantum Plus H.264 installation and user manual
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
① PC817 : Photo Coupler
② The Specification of PC817