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What is the Difference between 568A 568B

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by duminda_tdn

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I want to know what is the difference between 568A and 568B standards in network cabling when I make a new cable.

8 replies

by cg it

T568A pin 1 - 8
WH/BL BL WH/OR OR WH/GR GR Wh/BR BR

T568B pin 1-8
Wh/BL BL Wh/GR GR Wh/OR OR Wh/BR BR

by kryptos

Technically there is no difference nor have difference in performance.

Most of existing infrastructures are EIA/TIA 568B. If you are adding to existing infrastructure use same what you have now.

the only difference between two is :B use w/o and o for pin 1 & 2 and w/g & g for pin 3 & 6 , where A use w/g & g for pin 1 & 2 and w/o & o for pin 3 & 6.

thx,

by rick

As stated earlier, there is no performance difference. If you wire one end of the cable 568A and the other end 568B you then have a crossover cable.

by hozcanhan

all of the friends gave good advice and info but they left one thing out . NEVER MIX THE TWO in your structured cabling . As it grows you will have a chaotic situation at hand . Choose and follow one standart all the way.

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