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4 monitoring wiring scheme
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Monitoring transmission part wiring scheme


The transmission part is the transmission channel of the system image signal. Most television monitoring systems currently use video baseband (coaxial cable) transmission. If the camera is far from the control center, twisted pair transmission or fiber transmission is also used.

This system is a monitoring project in a residential area. The residential area is relatively large, and each front-end camera is far away from the monitoring room. It uses optical fiber transmission and coaxial cables to transmit video signals to meet customer image quality requirements. The important point of image signal transmission is that after the image signal passes through the transmission system, no obvious noise or distortion is generated, and the clarity and gray level of the original image signal are not significantly reduced.

In order to ensure the normal power supply of each front-end camera, there are 3 power distribution boxes next to the cameras at the entrances, main roads, parking lots, and perimeters of the community. 220V to the power distribution box from the monitoring room, and 12V or 24V to Each camera. RVV2 * 1.0 power cables are used from the central control room to each distribution box, and RVV2 * 1.0 power cables are used from the distribution box to each camera. Each dome camera in the front end is controlled by 485 bus, and adopts RVVP2 * 1.0 control cable.

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