(In the process of configuring network equipment, network cables (just take the twisted pair used in the Internet as an example) are usually the most easily overlooked. Some people often think that "network cables" have nothing to consider, as long as it is a twisted pair, or as long as It is a Category 5 twisted pair, but it is not. To reduce signal nuisance, each pair in a twisted-pair cable consists of two insulated copper wires twisted around each other.)
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