iiiiiiitttttttttttt

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you know the computer thing is it plugged in?

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submitted 1 month ago by cm0002@lemmy.world to c/iiiiiiitttttttttttt@programming.dev

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[–] Hawke@lemmy.world 5 points 1 month ago (1 children)

Blue in the middle is pair 1. Orange around that is pair 2. Green on the left, brown to the right.

CC-B-AA-B-DD.

Pair A is for telephone back when Ethernet was wired to a punch down block. Pair B and C are for data. Swap b and c on one end for crossover.

The fourth pair is basically useless.

[–] ulterno@programming.dev 3 points 1 month ago (1 children)

Swap b and c on one end for crossover

Thankfully I don't need to worry about that for stuff later than ~2010.

[–] Hawke@lemmy.world 3 points 1 month ago

Yeah but it still explains the “why?”