network video server for cctv cameras power supply with power like the power

What is a network video server for cctv cameras ? 

network video server for cctv cameras power supply with power like the power off, scattered power DC adapter) WASHINGTON Ma Pengcheng reports: In recent years, the Public Security Bureau and comprehensively promote the construction of public security monitoring system, at present, the county a total security monitoring camera 503, where high security monitoring camera  According to statistics, this year, has been using video surveillance to assist directly or cracked case, to resolve all kinds of disputes and the implementation of more than 1,000 people seek help from. wireless transmitter network video server for cctv cameras four encoders installed (3) image 380000 points, color resolution in or equal to 480 lines, black and white high resolution of 570 lines resolutionSeeing handset size 6, wire (camera video cable SYV 75-3 within 300 meters transmission distance, SYV 75-5 transmission distance 500 meters; uchar Judgment_straight (uchar hang) network video server for cctv cameras eye lens is a camera, in order to meet different requirements of monitoring environment and need to be configured with different specifications of the lens. For example, in the focus of the monitoring room, the need for clear and large field of view angle image capture, have to configure the wide-angle lens; in the outdoor parking lot, we must see the parking lot full picture, but also to see the detail of the car, this time need a wide-angle and a zoom lens, the border line, sea defense monitoring, ultra-long image capture needs.1, the main parameters of the lens

network video server for cctv cameras quad-core