(In the acceptance process of the integrated wiring project, the acceptance test of the performance of the wiring system is a very important part. Such a test is usually called a certification test, that is, the physical performance and electrical performance of the tested link are tested according to the corresponding standards. . Through testing, you can find various faults in the link, including wiring diagram (WireMap) error, cable length (Length) problem, excessive attenuation (Attenuation), near-end crosstalk (NEXT) too high, return loss (ReturnLoss) is too high. In order to ensure that the project quality passes the acceptance, it is necessary to determine and solve the fault in time, which puts forward higher requirements on the fault location technology and the location accuracy.)
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