How can you remember what the T568B setup should be? There are a few ways that I use and will share them with you.
Alphabet
The first letter of the alphabet is an “A” and the second is a “B” and since “G” in Green comes before “O” in Orange, the T568A leads with greens while the T568B leads with oranges.
Pin No. conductor color Name
1 white and orange TX_D1+
2 orange TX_D1-
3 white and green RX_D2+
4 blue BI_D3+ **
5 white and blue BI_D3- **
6 green RX_D2-
7 white and brown BI_D4+ **
8 brown BI_D4- **
TIA/EIA-568B
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Stephan Pringle
Technology Support Specialist at Sipylus
About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.
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