[133075] in North American Network Operators' Group
Re: Want to move to all 208V for server racks
daemon@ATHENA.MIT.EDU (Jay Ashworth)
Fri Dec 3 19:39:27 2010
Date: Fri, 3 Dec 2010 19:38:35 -0500 (EST)
From: Jay Ashworth <jra@baylink.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <4CF98C7C.2000207@steadfast.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
----- Original Message -----
> From: "Kevin Stange" <kevin@steadfast.net>
>
> > People are still feeding their gear with AC? Save on PS inefficiency,
> > and feed direct 12/5vDC to the servers. Save space, save power,
> > save cooling.
>
> If you're already in a datacenter, getting 208V AC from an existing AC
> infrastructure is a lot easier, cheaper, and sometimes more plausible
> than building a DC plant. If you have your own facility, it's a
> different story, but if you do colo, you probably have more customers
> expecting AC than DC, so you'll at least need to maintain both
> infrastructure.
It *is* Friday night, Kevin. :-)
He said 12/5VDC, not -48.
Cheers,
-- jra
