Illustrated instructions for connecting the crystal head "Recommended wiring method for commonly used network crystal heads"

php editor Xiaoxin brings you the illustrated tips on how to connect the network crystal head. Network crystal connectors are commonly used connecting devices in network cabling. Correct connection methods can ensure the stability and efficiency of network transmission. This article introduces in detail the methods of commonly used network crystal connectors and line sequence connection methods through illustrations to help readers better understand and master the connection techniques of crystal connectors. Both network engineers and ordinary users can benefit from it and improve the quality and performance of network cabling.

Crystal head connection method

The picture above shows the connection method of the home network crystal head 568-B. In life and office networks, there is another connection method for our common crystal plugs, namely 568-A. However, since the 568-A connection method is rarely used in our lives, this article will not explain it in detail.

In the weak current industry, this connection method can be seen everywhere. For example, in the connection between network surveillance cameras, LAN network cabling switches, servers, and computers. For a 100M network, we only need to use four pins to send and receive data.

Pin definition

Now there are many network devices powered by POE network cables. For example, surveillance camera wiring only needs to pull a network cable to solve the problem of power supply. And data lines, many router APs also have POE power supply, you only need to connect one network cable. The crystal head pins of POE powered equipment generally use blue, white-blue, white-brown, brown, two or four of the four. , it depends on the specifications of the equipment. Some POE equipment uses blue and brown transmission.

POE power supply pin

For a gigabit bandwidth network, all eight pins are data transmission pins and must be used. There are no vacancies. Pin 1.2.3.6 sends data and pin 4.5.7.8 receives data.

Gigabit network crystal head

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