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How to use the video cable in video surveillance? Many people will encounter problems on this issue. The following is a brief introduction to this issue by KeXun Cable!
The transmission mode plays an important role in the monitoring system. Different distances are selected from the perspective of cost to select different wire specifications. The transmission methods in the monitoring transmission include video lines, network cables and optical fibers. The Kexon cables explain to everyone if you choose the right one. Video line.
SYV refers to solid polyethylene insulated coaxial cable, the national standard code is RF cable - also known as "video cable" 75 stands for resistance, followed by 3 and 5 stands for its outer diameter (3mm/5mm)
SYV S - coaxial RF cable, Y - polyethylene, V - PVC.
SYV75-3 transmission is effective within 300 meters.
SYV75-5 transmission better than 800 meters.
How to use the video cable in video surveillance?
The video cable generally referred to is a television cable and can also be used as a surveillance camera cable in the security field.
75-3 transmission distance 100 meters
75-5 transmission distance 300 meters
75-7 transmission distance 500--800 meters
75-9 transmission distance 1000---1500 meters
75-12 transmission distance 2000----3500 meters
If the maximum distance between the camera and the recorder in the surveillance system is only 100 meters, you can use a 75-3 video cable, and you can also ask about the merchant at the time of purchase. If more than 100 meters. You can choose 75-5 video lines. When choosing, pay attention to whether the shielding layer is a copper mesh or an aluminum mesh, how many shield layers are used, and the number of braided wires is far from the transmission distance.