From owner-freebsd-isp Sat May 30 06:31:16 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id GAA12558 for freebsd-isp-outgoing; Sat, 30 May 1998 06:31:16 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from magicnet.magicnet.net (root@magicnet.magicnet.net [204.96.116.9]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id GAA12549 for ; Sat, 30 May 1998 06:31:12 -0700 (PDT) (envelope-from bill@bilver.magicnet.net) Received: from bilver.magicnet.net (uucp@localhost) by magicnet.magicnet.net (8.8.6/8.8.8) with UUCP id JAA22264 for freebsd-isp@freebsd.org; Sat, 30 May 1998 09:30:49 -0400 (EDT) Received: (from bill@localhost) by bilver.magicnet.net (8.8.5/8.7.3) id JAA28883 for freebsd-isp@freebsd.org; Sat, 30 May 1998 09:20:39 -0400 (EDT) From: Bill Vermillion Message-Id: <199805301320.JAA28883@bilver.magicnet.net> Subject: Re: Backup Power? In-Reply-To: <199805292038.PAA26872@ns1.cioe.com> from Steve Ames at "May 29, 98 03:38:10 pm" To: freebsd-isp@FreeBSD.ORG Date: Sat, 30 May 1998 09:20:39 -0400 (EDT) X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Recently Steve Ames said: > > This is more than a little off topic, but here goes. > My company operates a number of remote POPs and we want to upgrade > our backup power. Our minimum target is 2 hours (would like to > get closer to 8) and most POPs consist of 4-6 Adtran CSU, a Cisco > 4000 and a couple of Ascend Max 4048. > I've queried a couple of UPS manufacturers and they're going to quote > me up something but I'm not sure UPSs are the way to go... anyone > played with other options such as generators? BEST makes some serious units. Backup power can be quite long, and some of their units also come with a gas generator or for the large units, a diesel generator. They have automatic failover from battery to generator. They are quite robust. Also check Liebert. -- bill@bilver.magicnet.net | bill@bilver.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message