| 摘要 |
A physical layer (PHY) device of a network device includes a signal generator module that generates a first test signal and that transmits the first test signal on a first conductor of a first pair of a cable at time T1, an analog-to-digital converter (ADC) module that has an input that communicates with a second conductor of the cable and an output that generates first S outputs at times (T1+(S*t)), where S is greater than 1, and t>0, and a control module that determines a distance from the PHY to one of an open-circuit and short-circuit of the first pair based on the first S outputs.
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