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586 A Or B


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#1 8100 Power

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Posted 10 August 2007 - 07:49 AM

Im wiring up some LAN wall jacks, i have an option to wire for 586 A OR B? Which one should i use, i dont want to plug my modem up and everything be backwards... :thumbsup:

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#2 arcman

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Posted 10 August 2007 - 08:14 AM

568B is the most common standard. If you go to the store and pick up any CAT5 pre-crimped cable it will be 568B.
Also, if you make a cable with A on one side and B on the other you'll have a crossover cable.
edit: linky, http://www.networktechinc.com/standard.html

Edited by arcman, 10 August 2007 - 08:19 AM.

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#3 oldf@rt

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Posted 10 August 2007 - 10:25 AM

When wiring inside wall jacks, follow the punch down color coding. 568A & B wiring is used for cables only. http://www.omega-electronics.ca/index/use_.../cnt_id/64.html

Edited by oldf@rt, 10 August 2007 - 10:43 AM.

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#4 arcman

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Posted 10 August 2007 - 11:35 AM

If it's color coded, wouldn't it be coded to the A or B spec as in this diagram? http://www.omega-electronics.ca/uploads/im...ack_english.png
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#5 oldf@rt

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Posted 10 August 2007 - 12:59 PM

The normal standard for use in cabling buildings is 568A, because of backwards compatibility to the older AT&T 258A, which may still be in use in older buildings. 568A for this reason is still specified in Government contracts. This might make the difference a little bit clearer: http://www.lashen.com/vendors/Leviton/Datacom/FAQ_TIA568.asp
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#6 8100 Power

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Posted 10 August 2007 - 01:14 PM

When wiring inside wall jacks, follow the punch down color coding. 568A & B wiring is used for cables only. http://www.omega-electronics.ca/index/use_.../cnt_id/64.html


The punch down chart simple has both coding of A & B..Thats why i needed to know which one. So, Which one is it. I want the jacks to commicate with my modem and patch panel. ??

#7 8100 Power

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Posted 10 August 2007 - 01:17 PM

Ill wait for my patch panel to arrive before wiring any up. So either way i go, A or B, it will commicate with my modem, correct?

#8 oldf@rt

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Posted 10 August 2007 - 02:08 PM

Yes.
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#9 8100 Power

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Posted 20 August 2007 - 09:44 AM

Ok, Got my panel in. I've decided on B wiring . As for connecting my panel??? Help...

#10 oldf@rt

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Posted 21 August 2007 - 08:58 PM

Are you connecting from a switch to the panel or direct from the router to the panel?
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#11 8100 Power

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Posted 25 August 2007 - 05:26 PM

I Figured it all out, i ditched the patch panel, i bought a d-link switch and plugged my cables directly in, now it works. Thanks for all your help!




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