2023年5月30日星期二

568A vs. 568B

 568A vs. 568B

568A and 568B are two standard wiring schemes for Ethernet cabling. They differ in how the wire pairs are mapped to the 8P8C (RJ45) plug.Chuwi hipad plus

The main differences are:

• 568A:

  • Orange/White pair is 1 & 2
  • Orange pair is 3 & 6
  • Green/White pair is 4 & 5
  • Blue pair is 7 & 8

• 568B:

  • Orange/White pair is 1 & 2
  • Green pair is 3 & 6
  • Orange/White pair is 4 & 5
  • Blue pair is 7 & 8

So as you can see, the main difference is that 568A uses the orange pair for 3 & 6, while 568B uses the green pair for 3 & 6.

Either scheme will work for Ethernet connections, as long as both ends of the cable are wired the same (either both 568A or both 568B).

568B has become more common, especially for newer installations, but 568A is still used frequently.

The important thing is to maintain consistency - either wire both ends of an Ethernet cable as 568A or 568B, but don't mix the two schemes for the same cable. Otherwise the connection will likely not work.

So in summary, pick one standard (568A or 568B) and apply it consistently to all of your Ethernet cabling for a reliable network.

Hope this explanation helps! Let me know if you have any other questions.

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