[78239] in North American Network Operators' Group

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Re: E1 - RJ45 pinout with ethernet crossover cable

daemon@ATHENA.MIT.EDU (Steve Meuse)
Fri Feb 25 11:58:40 2005

Date: Fri, 25 Feb 2005 09:56:20 -0700
From: Steve Meuse <smeuse@gmail.com>
Reply-To: Steve Meuse <smeuse@gmail.com>
To: nanog@nanog.org
In-Reply-To: <A206819EF47CBE4F84B5CB4A303CEB7A2424F1@dul1wnexmb01.vcorp.ad.vrsn.com>
Errors-To: owner-nanog@merit.edu


> 
> Not that I know of, but I've never attempted what you
> describe. Putting the baluns in the loop will destroy the
> framing i.e. it's going to try and convert b8zs/ami to 802.x.

A Balun (BALanced to UNbalanced) is simply an impledence matching mechanism. 

Crossover is still required. 


-- 

-Steve

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