[168592] in North American Network Operators' Group

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Re: Is there such a thing as a 10GBase-T SFP+ transciever

daemon@ATHENA.MIT.EDU (Chris Balmain)
Thu Jan 30 21:26:09 2014

Date: Fri, 31 Jan 2014 13:25:53 +1100
From: Chris Balmain <chris@team.dcsi.net.au>
To: james jones <james@freedomnet.co.nz>, NANOG <nanog@nanog.org>
In-Reply-To: <CALcVfM1BQZ=Bd-X6DXQ9_+GrvV4OER+-yk5042n-S2UPjXUc7g@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

You may wish to consider twinax for short distance 10G over copper with 
SFP+ at both ends

http://en.wikipedia.org/wiki/Twinaxial_cabling#SFP.2B_Direct-Attach_Copper_.2810GSFP.2BCu.29

Typically marketed as "direct-attach" (you can't remove the cables from 
the transceivers, it's all integrated)

On 31/01/14 12:26, james jones wrote:
> I would like to know if anyone has seen one of these? If so where? Also if
> they don't exist why? It would seem to me that it would make it a lot
> easier to play mix and match with fiber in the DC if they did. Would be so
> hard to make the 1G SFPs faster (trying to be funny here not arrogant).
>
>
> -James


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