From owner-freebsd-questions Tue May 25 8:39:50 1999 Delivered-To: freebsd-questions@freebsd.org Received: from smtp1.vnet.net (smtp1.vnet.net [166.82.1.31]) by hub.freebsd.org (Postfix) with ESMTP id C560A15105 for ; Tue, 25 May 1999 08:39:46 -0700 (PDT) (envelope-from rivers@dignus.com) Received: from dignus.com (ponds.vnet.net [166.82.177.48]) by smtp1.vnet.net (8.9.1a/8.9.1) with ESMTP id LAA03448; Tue, 25 May 1999 11:40:23 -0400 (EDT) Received: from lakes.dignus.com (lakes.dignus.com [10.0.0.3]) by dignus.com (8.9.2/8.8.5) with ESMTP id LAA19704; Tue, 25 May 1999 11:39:39 -0400 (EDT) Received: (from rivers@localhost) by lakes.dignus.com (8.9.2/8.6.9) id LAA06919; Tue, 25 May 1999 11:39:37 -0400 (EDT) Date: Tue, 25 May 1999 11:39:37 -0400 (EDT) From: Thomas David Rivers Message-Id: <199905251539.LAA06919@lakes.dignus.com> To: terry@program-products.co.uk, wghicks@bellsouth.net Subject: Re: console terminal server and power loss Cc: freebsd-questions@FreeBSD.ORG, rivers@dignus.com, wghicks@wghicks.bellsouth.net In-Reply-To: <199905251530.LAA81489@bellsouth.net> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > > > I may be wrong, but I thought a on an RS/232 was a 25ms > > > drop in the +5v line. When the power goes out, that will be the > > > case... so, you get your break. There's not much you can do > > > about that... > > > > That's what I suspected. Do you know which line the +5v is and wether > > it is constantly +5. It sounds ugly but maybe I could hold it steady > > with a small battery. > > RS232 isn't 5 volts, It swings from -12 to +12 although the 'spec' allows > for a wide tolerance. > > Cheers, > Ah - so I'm wrong.. :-) It's been quite some time since I piddled with RS232 at that level... - Dave Rivers - To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message