From owner-freebsd-isp Fri May 29 20:19:31 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA06421 for freebsd-isp-outgoing; Fri, 29 May 1998 20:19:31 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from willy.crimsonweb.com (willy.crimsonweb.com [206.117.218.3]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA06416 for ; Fri, 29 May 1998 20:19:30 -0700 (PDT) (envelope-from root@crimsonweb.com) Received: from flippy (flippy.crimsonweb.com [206.117.218.10]) by willy.crimsonweb.com (Post.Office MTA v3.1 release PO205e ID# 0-36306U100L100S0) with SMTP id AAA318; Fri, 29 May 1998 20:18:51 -0700 Message-Id: <3.0.5.32.19980529201850.0131faa0@crimsonweb.com> X-Sender: root@crimsonweb.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Fri, 29 May 1998 20:18:50 -0700 To: freebsd-isp@FreeBSD.ORG From: Jason Ingham Subject: Re: Backup Power? Cc: steve@ns1.cioe.com, Kevin Day In-Reply-To: <199805292238.RAA16167@home.dragondata.com> References: <199805292038.PAA26872@ns1.cioe.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org http://www.hondapower.com/deluxe.htm ~or~ http://www.hondapower.com/heavy.htm ~Jason At 05:38 PM 5/29/98 -0500, Steve wrote: >> >> 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? >> >> -Steve > >Speaking as someone who is running off of a generator now, they aren't as >bad as I thought. I'm able to run everything off of this 6kva generator I >rented localy. The power is clean enough to run everything, and I'm able to >go about 8 hours on 5 gallons of gas, powering 12 servers, two DSU's, two >routers, and two monitors. > >However... You need something that'll carry everything for enough time to >get the generator to start, and something that can decide when the time is >right to shut the generator back off. > >There are companies that make eternal power systems like that, but I can't >think of any names off the top of my head. > >Kevin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message