屏蔽網線分為單屏蔽網線和雙屏蔽網線，單屏蔽網線內部有一層鋁箔層，雙屏蔽網線內部有一層鋁箔層和屏蔽金屬網。

屏蔽網線的作用

蔽網線內部有一根鋁線，也就是我們常說的地線，地線是用來將電流引入大地的導線，也稱為避雷線，電電氣設備漏電或者電壓過高時，電流通過地線進入大地。在電路設計中，地線的作用主要是用來防止干擾和提高無線電波的輻射效率的。

在高壓電或強幹擾的環境下，由於屏蔽網線具有抵抗強幹擾的作用，可以很好的在有干擾的環境下正常傳輸網絡信號。相反，非屏蔽網線會因為網絡信號受到感染，而出現斷續或者直接中斷信號傳輸的情況等。

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Shielded network cables are classified into single-shielded network cables and double-shielded network cables. Inside a single-shielded network cable, there is a layer of aluminum foil. Inside the double-shielded cable, there is a layer of aluminum foil and a shielded metal screen.

The role of shielded network cable

There is an aluminum wire inside the shielded cable, which is also known as the ground wire. The ground wire is the wire used to introduce current into the earth, also called the lightning protection wire. When the electrical equipment leaks or the voltage is too high, the current enters through the ground wire. Earth. In the circuit design, the role of the ground is mainly used to prevent interference and improve the radiation efficiency of radio waves.

In the high-voltage or strong-interference environment, the shielded network cable has the function of resisting strong interference, and can properly transmit the network signal in a disturbed environment. On the contrary, the unshielded network cable may be interrupted or directly interrupt the signal transmission because the network signal is infected.

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