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H.264 DVR - Installation/ O
eration Manual
Appendix 1
SENSOR INSTALLATION
1. Components
1) External Sensor : 1 (You should prepare one set)
2) DVR System : 1
2. Inner Circuit for Sensor Input
The inner circuit of Mpeg 4 DVR is as follows,
① PC817 : Photo Coupler
② The Specification of PC817
