| 摘要 |
PURPOSE: A closed circuit TV system for reducing equipment costs is provided to implement a simple installation process by serially connecting each digital video recorder through simple BNC cables. CONSTITUTION: A digital video recorder(130) is connected to a camera(110). The digital video recorder is serially connected to each other. A junction box(120) is connected to the camera and the digital video recorder. A controller is connected to the junction box. A monitor is connected to the final stage of the digital video recorder. The digital video recorder is interconnected by using BNC cables.
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