How to choose Access Switch?
For more than 8 cameras, please use a pure Gigabit network switch. The actual bandwidth of the switch we use is 50%-70% of the theoretical value, so the actual bandwidth of a 100M port is 50M-70M. It is recommended that a gigabit access switch be maximum access to 12 720P network cameras. At the same time, considering the current network monitoring using dynamic coding mode, camera code flow peak may exceed 4M bandwidth, while considering bandwidth redundancy design, so you should use Fast Ethernet Switch to for 8 units camera, and use Gigabit Switch if more than 8 units camera.
Set up IP address in advance
Before construction, you should modify and register the IP addresses of all Network Camera, NVR, Computer master control machine, storage server, streaming media server, HD decoder, Management Server, and must pay attention to avoid and local network devices (such as computers, network printers) have IP address conflict. The address of all equipment must be recorded, the IP address of the camera must be marked on the drawing, convenient after-sale staff maintenance.
The IP address of all network dome cameras, network cameras, NVRs, computer hosts, storage servers, streaming media servers, high-definition decoders, and management servers in this system should be modified and registered. The original network in the local network (such as computers, network printers) have IP address conflict. All the equipment IP address to be recorded, the IP address of the camera should also be marked on the drawings to facilitate the maintenance of after-sales staff.
How to choose a converged switch?
IPC to the front-end switches can be used Cat5 network cable, and front-end switches to the main room between the switchboard must use the national standard Cat6. We are now most choose optical fiber transmission, single-mode and multimode.
The choice of network cable
IPC to the front-end switches can be used between the national standard Cat5 cable, the Cat6 network cable is also gradually applied to the security system.
How to choose Core Switch?
You should choose the big brand of all gigabit switches, and must not be loaded work with them, such as 24-port full Gigabit switch in practice not to use more than 20 port, because the network HD monitoring data volume is relatively large and is constantly transmitting data, the processing requirements of the switch is relatively high, If there is a switch with a lot of points when the delay, cotton phenomenon, you can try to add a switch to solve the problem.
As for routing function of the core switch, according to the need to choose.