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Networking basics for sure 6 years 9 months ago #38714

Been doing this for years and frustration never ceases.

RJ45 crimp on connectors has a color code. And the color code of RJ45 sockets color code never match the pins on RJ45 so why? Shouldn't if it's an industry standard, that the pins and the color code should match? So if I put an RJ45 on end A of the wire and several rooms away, when the wire B is terminated at the back of a socket that the same wire color should be to the same pins of said socket? I mean if I wire one up and put the wire tester on the RJ45 end and the responder at the socket end, should the cable say 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, and 8-8? I've even tried to single strand it yellow/white to yellow and the pins never come out right? Doesn't sound too industry standard to me.

My solution is to Color match the wires to the sockets, and every wire gets a socket! The interconnecting UTP cables should make the network connections fine regardless of the type of device on the network.

Networking basics for sure 6 years 8 months ago #38715

  • Chris
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I'd suggest you take a quick read at the following articles we have that will surely answer your question. They cover the UTP straight-through cables and cross-over:

More technical articles on network cabling can be found here:

Let us know if you need any additional help.


Chris Partsenidis.
Founder & Editor-in-Chief
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