(Design scheme of intelligent digital monitoring system: the TV monitoring system is mainly composed of the following four parts: front end equipment: intelligent spherical camera, color camera and auxiliary equipment (support, indoor protective cover); Central control equipment: mainly hard disk video recorders for long-time video recording; Display equipment: 17 inch color monitor industrial standard TV wall video control matrix transmission part: the company's patented technology: twisted pair video transmission, using ordinary five types of twisted pair to realize 4-channel video signal transmission, rvv2x1.5 power line and rvv4x1.0 control line in one line)
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