Which one?
>>62348484
Why would it matter and why should I care?
>>62348484
Industry uses B for the most part. Something about a myth of some big company having rights on A.
>>62348504
This, 2 of the same for router-device connections or one of each for crossover
TIA-568B on both sides
Cross-over cables are a thing of the past
>>62348484
B always
>>62348521
US Government buildings use T568A for some reason
>>62348484
its all managed by the hardware, you can wire it wrong and it still works