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RE: E1 - RJ45 pinout with ethernet crossover cable
- From: Hannigan, Martin
- Date: Fri Feb 25 10:52:29 2005
> -----Original Message-----
> From: Alex Bligh [mailto:alex@alex.org.uk]
> Sent: Friday, February 25, 2005 10:32 AM
> To: Hannigan, Martin; Sam Stickland; nanog@nanog.org
> Cc: Alex Bligh
> Subject: RE: E1 - RJ45 pinout with ethernet crossover cable
>
>
>
>
> --On 25 February 2005 09:43 -0500 "Hannigan, Martin"
> <hannigan@verisign.com> wrote:
>
> > 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.
>
> How does a balun destroy the framing (or rather line coding)?
> It's just a
> pair of transformers, and hence AC characteristics pass
> through intact.
> All you've done is converted impedance (and, IIRC, line voltage).
My mistake, I misunderstood their function.
-M<
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