Nowadays, people are more aware of the sharpness of the quality of the surveillance system. The webcam product company also positioned the product innovation in the surveillance image quality. And choose which switch to use as a monitor transmission bridge? This is a problem that is often overlooked.

Now that there are roughly three types of switches on the market, how can these three types of switches be used appropriately?

Today Xiao Bian gave us a detailed explanation of the first choice as a general physical layer switch.

Physical: It is a general low-level switch. For a commonly used switch, the actual bandwidth is 50%∼70% of the theoretical value. Therefore, the actual bandwidth of a 100M switch is 50M∼70M. Taking 720p network camera 4Mbps traffic as an example, from a performance point of view, the most secure consideration for a 100M physical layer switch should be access to 12 groups of 720p (4M*12=48M) network cameras.

However, considering that current network monitoring will use dynamic encoding, the peak value of the 720p network camera may exceed 4M, and bandwidth redundancy needs to be taken into consideration. Therefore, this type of 100M physical layer switch is best controlled. If there are more than 8 cameras in the group of 8 cameras, it is recommended to use a Gigabit switch.

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