Ethernet standards questions

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dreamcake

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#298494 21-Jun-2022 17:29

I had an electrician wire some ethernet cables from the router to a few rooms. If the electrician used, say, the T568B standard, do I also have to use an ethernet cable with the T568B standard to connect from the ethernet port (that was added by the electrician) to my computer? Or can I use a T568A standard ethernet cable?

cyril7

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#2932735 21-Jun-2022 17:59

Hi as long as the installed cable is wired the same at each end, then you can use patch/fly leads at each end wired a or b, as long as those patch/fly leads are wired the same at each end. And if there are two fly/patch leads (one at each end) they can each be a or b as long as they are wired the same at each end.

Cyril

cyril7

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#2932739 21-Jun-2022 18:01

cyril7: Hi as long as the installed cable is wired the same at each end, then you can use patch/fly leads at each end wired a or b, as long as those patch/fly leads are wired the same at each end. And if there are two fly/patch leads (one at each end) they can each be a or b as long as they are wired the same at each end.

Cyril

Edit, should note that the açcepted standard in Au/NZ is to use a, if the sparky used b he should be re educated. That said in NZ there are no regulations for data cabling, but there is in Au.

nztim

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#2932860 21-Jun-2022 20:27

A&B go back to the days of needing to cross over, now days everything auto senses, I have wired since the age of 15 with A (starting on Green/White)

if one end is wired a and the other is b it while it is not good practice it will still work because everything is now auto sensing

Any views expressed on these forums are my own and don't necessarily reflect those of my employer.

Mehrts

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#2933246 22-Jun-2022 17:07

nztim:

...it will still work because everything is now auto sensing

Until you come across something that isn't! 🤣

nztim

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#2933248 22-Jun-2022 17:14

Mehrts:

nztim:

...it will still work because everything is now auto sensing

Until you come across something that isn't! 🤣

if a device that doesn't a auto sense is still in use it should have been retired along time ago 🤣

Any views expressed on these forums are my own and don't necessarily reflect those of my employer.

Mehrts

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#2933251 22-Jun-2022 17:28

nztim:

if a device that doesn't a auto sense is still in use it should have been retired along time ago 🤣

Touché 😅