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

daemon@ATHENA.MIT.EDU (Bryan Seitz)
Sun Feb 2 00:52:51 2014

Date: Sun, 2 Feb 2014 00:52:29 -0500
From: Bryan Seitz <seitz@bsd-unix.net>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <5791136147889679268@gmail297201516>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Sun, Feb 02, 2014 at 04:21:20AM +0000, Thomas Maufer wrote:
> IIRC, it takes about 13W to maintain a 10GBASET connection. That's a lot of
> power to drain from a tiny board that wasn't designed to supply such loads.
> 
> ~tom
> 
> On Saturday, February 1, 2014 1:32:58 PM, Phil Bedard <bedard.phil@gmail.com>
> wrote:
> 
> Pluggable SFP+ transceiver.  There are plenty of fixed config 10GBase-T
> devices out there.  Power/space in a SFP+ package just isn't there yet.
> 
> Phil

Tom,
     I believe the newer 10GBase-T standard is between 1.5 and 4W per port depending on the cable length, 
much better (colder!) than it was.  You will also get slightly increased latency with 10GBase-T vs SFP+

-- 
             
Bryan G. Seitz


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