From owner-freebsd-isp Tue Dec 3 13:04:45 1996 Return-Path: owner-isp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id NAA11638 for isp-outgoing; Tue, 3 Dec 1996 13:04:45 -0800 (PST) Received: from agora.rdrop.com (root@agora.rdrop.com [199.2.210.241]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id NAA11633 for ; Tue, 3 Dec 1996 13:04:41 -0800 (PST) Received: by agora.rdrop.com (Smail3.1.29.1 #17) id m0vV213-0008tbC; Tue, 3 Dec 96 13:04 PST Message-Id: From: batie@agora.rdrop.com (Alan Batie) Subject: Re: ups recommendations... To: neillt@realgoods.com (Neill Thornton) Date: Tue, 3 Dec 1996 13:04:33 -0800 (PST) Cc: adonai@jump.net, freebsd-isp@freebsd.org In-Reply-To: from "Neill Thornton" at Dec 3, 96 10:17:20 am X-Mailer: ELM [version 2.4 PL24 ME8a] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-isp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > and we have a Honda generator that auto starts from a little box One word about generators and UPS's: a year ago, during the Big Storm, we were out of power for 3+ days. The only generator left in Oregon by then was a little Honday 600W job, but that's enough to run the basic system and net connectivity. I figured to plug the UPSs into it and then I could shut it down to refuel periodically and the UPSs would carry it through. Well, think again. I've got 1500W of UPS and they were substantially discharged. The first thing they do when they see line power is suck it dry to recharge the batteries. The 600W couldn't cope, the UPSs saw a brownout and went offline. This repeated about every 5-10 seconds. I had to pull out the UPSs and run the system live off the generator, which didn't give me warm feelings hearing the transformer feeding the channel bank buzzing in synchronization with the generator motor variations. It worked though, and it was the first time I've heard of a system going down for refueling :-) -- Alan Batie ______ batie@agora.rdrop.com \ / Assimilate this! +1 503 452-0960 \ / --Worf, First Contact DE 3C 29 17 C0 49 7A 27 \/ 40 A5 3C 37 4A DA 52 B9 It is my policy to avoid purchase of any products from companies which use unrequested email advertisements or telephone solicitation.