Sigh, lets repeal Ohm's law. ;-) In practice the controlling rules are:
Murphy's Law: "If anything can go wrong it will." O'Toole's corollary to Murphy's law: "And, it will produce the worst possible results." Cary Fitch -----Original Message----- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Tzafrir Cohen Sent: Tuesday, May 26, 2009 10:56 AM To: asterisk-users@lists.digium.com Subject: Re: [asterisk-users] Maximum cable length for analog phone from FXSport On Tue, May 26, 2009 at 05:39:46PM +0200, randulo wrote: > On Tue, May 26, 2009 at 5:31 PM, Danny Nicholas <da...@debsinc.com> wrote: > > I run my analog telco over cat5, but that's in-house and definitely not 3km. That sounds really far for current loop stuff. > > I was doing that too. I asked this same question a few years ago and > the answer was 100-200 meters. This is just a quick rule of thumb, but > it seems about right. 3km, I doubt that would work, but it depends, as > someone said, totally depending on ohm's law :) If it were to depend solely on Ohm's law, than 3km would be marginal but probably within reach. Not exactly sure what other factors are there to count. -- Tzafrir Cohen icq#16849755 jabber:tzafrir.co...@xorcom.com +972-50-7952406 mailto:tzafrir.co...@xorcom.com http://www.xorcom.com iax:gu...@local.xorcom.com/tzafrir _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users