[133103] in North American Network Operators' Group
Re: Want to move to all 208V for server racks
daemon@ATHENA.MIT.EDU (Michael Loftis)
Sat Dec 4 15:28:28 2010
In-Reply-To: <28885761.444.1291491908522.JavaMail.root@benjamin.baylink.com>
Date: Sat, 4 Dec 2010 13:28:10 -0700
From: Michael Loftis <mloftis@wgops.com>
To: Jay Ashworth <jra@baylink.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sat, Dec 4, 2010 at 12:45 PM, Jay Ashworth <jra@baylink.com> wrote:
>
> I phrased my comment poorly, which mislead you. =A0I was suggesting a UPS=
which
> took 208VAC on on the charge side, and charged 48VDC batteries with it,
> providing -48 to a rack full of equipment which took that.
>
> People actually call those "48VDC UPSs", though in fact they're just
> Little Teeny Battery Plants. =A0:-)
Ah, well, the XW (6048's) *do* have a 100A charger each (so up to 300A
@ ~48VDC) so they could be used for that too :D-- but that same
industry segment, solar/renewable, makes 48VDC charger only/rectifier
only systems as well. So my answer still sort of stands :D
>
> Cheers,
> -- jra
>
>
