Author: Noyafa–CCTV Tester
Question: According to the identification method of power failure, if the adjacent cable also reacts, how to judge? Answer: There is a return signal on the adjacent cable, and the swing direction is opposite. Question: According to the identification method of a single cable during a power failure, if the adjacent cable also responds, how to judge? Answer: The adjacent cable is the return signal, and the swing direction is opposite.
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