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Oct 14, 2023 at 11:46 comment added Ecnerwal Network cables also reject signals from other network cables by design. Differential twisted pair signal processing means that not only do the cables cause the interfering signal to oppose itself every time the wires twist, at the end of the line the common mode signal picked up by both wires is thrown away, and only the differential signal that's applied at the transmission end is left to be decoded at the receiving end.
Oct 14, 2023 at 10:27 comment added einpoklum But what guarantees the electric circuits don't also carry signals at other frequencies? I mean, there are networking over power products being sold and used... or - are we sure that the shielding is enough to ignore that?
Oct 13, 2023 at 19:31 history answered Ecnerwal CC BY-SA 4.0