Appendix; Alarm Sensor Installation - Qtum HD1049 Installation And User Manual

Hd-sdi digital video recorder
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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,
① PC817 : Photo Coupler
② The Specification of PC817
HD1049 installation and user manual
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