What are the advantages of POE switches compared to ordinary switches?

Speaking of switches, everyone is no stranger, isn't that the device used in large enterprises, Internet cafes, network systems?
It has a lot of functions, expansion ports, data transmission, LAN division... For example, there are many company personnel, many computers, and the network port is not enough. Nothing, directly to several switches, one network socket instantly changes to 8, 8 The computer can work at the same time.
What is POE? "POE" refers to a Power over Ethernet technology. Simply put, instead of using wires to power the device, a network cable is used to power the device.
Network cable power supply? Can the network cable supply power?
That's right! It is to transmit the power signal through the network cable to the equipment that needs to be powered at the other end. This will be said that this is not a new technology, it has been out for many years and has been used for a long time. However, it should be noted that this is very demanding on the network cable, and it must be above five types of network cables.
A POE switch is a switch that can supply power to network devices. It has all the functions of a normal switch, and it also has power supply functions that are not available in ordinary switches. In other words, it is much more "advanced" than a regular switch.
Isn't there a rise in network monitoring now? This POE switch is its "good partner." Network monitoring is everywhere, intersections, supermarkets, shopping malls, hotels, schools, hospitals... so many cameras, so it seems that power supply is not a small project. Not to mention the city after that, the smart city.
At this time, some people may say that it is not enough to pull the wires buried under the ground? Ok, then do you think that the dig lanes on the streets are realistic? Moreover, buried under the ground, what if there is a problem? Then dig out the streets and check them out? Therefore, most of the methods are not feasible. At this time, the POE power supply technology is particularly important.
Does network monitoring use a network cable to transmit video? Then it is not good to use the same network cable to transmit power, so the POE switch is "hot" in network monitoring. The POE switch can not only supply power to the surveillance camera, but also network devices such as wireless APs, network phones, and wireless routers. If you are not convenient to pull the wire, you can try it.

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