Thursday, July 22, 2021

Why is the pinout/cable order for punchdown blocks different than RJ45 connectors?

Random quick question: when I make a network cable I do the T568B wiring standard, but when I wire up punchdown blocks, the wiring colors are kept in pairs. I was told in school probably ~10 years ago that the order mattered because of different twist rates between pairs, helping reduce crosstalk and interference. If that's the case, why are they different?



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