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T-568A or T-568B
Posted by: mattkime
Date: June 15, 2020 02:02PM
Poll
T-568A or T-568B
Only registered users are allowed to vote for this poll.
16 votes were received.
T-568A 5
 
31%
T-568B 11
 
69%



.



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Re: T-568A or T-568B
Posted by: GGD
Date: June 15, 2020 02:09PM
I've always used T-568B, the reason I decided on that was that I looked at some pre-made Ethernet cables to see what they used, and they used B so I did the same.

Maybe take a survey of your factory made cords.
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Re: T-568A or T-568B
Posted by: MikeF
Date: June 15, 2020 02:22PM
A is the preferred:
[acuitysupport.zendesk.com]
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Re: T-568A or T-568B
Posted by: bazookaman
Date: June 15, 2020 02:44PM
I'd read that everyone used B. So I used B when I did all mine.




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Re: T-568A or T-568B
Posted by: Filliam H. Muffman
Date: June 15, 2020 02:45PM
The FOA expresses no preference between A or B. Just don't mix them unless you label the cable as crossover.



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Re: T-568A or T-568B
Posted by: ztirffritz
Date: June 15, 2020 03:08PM
Either is valid. The only requirement is that you're consistent within the subnet.



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Re: T-568A or T-568B
Posted by: N-OS X-tasy!
Date: June 15, 2020 03:38PM
Quote
MikeF
A is the preferred:
[acuitysupport.zendesk.com]

B is what our clients most often request/require.

With regard to A being the requirement for U.S. Government work: Someone needs to spread that info around within the U.S. Government. My employer does a good amount of work for the Fed government and the only entity I can think of that requires us to use A is the Department of Veterans Affairs.



It is what it is.
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Re: T-568A or T-568B
Posted by: JoeH
Date: June 15, 2020 05:52PM
Quote
N-OS X-tasy!
Quote
MikeF
A is the preferred:
[acuitysupport.zendesk.com]

B is what our clients most often request/require.

With regard to A being the requirement for U.S. Government work: Someone needs to spread that info around within the U.S. Government. My employer does a good amount of work for the Fed government and the only entity I can think of that requires us to use A is the Department of Veterans Affairs.

A is preferred anywhere the cabling will also be used for telephone service. B was only added to the standard for compatibility with an older wiring scheme using 4 pair twisted pair cabling and use in crossover cables. But in practice many started choosing B.

In the end it does not matter much if you are consistent.
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Re: T-568A or T-568B
Posted by: jdc
Date: June 15, 2020 10:22PM
Yeah, 220, 221, whatever it takes.



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Edited 999 time(s). Last edit at 12:08PM by jdc.



Edited 1 time(s). Last edit at 06/15/2020 10:25PM by jdc.
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Re: T-568A or T-568B
Posted by: timg
Date: June 16, 2020 07:45PM
220, 221
Quote
jdc
Yeah, 220, 221, whatever it takes.



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