I totally agree. Using cabling that's out of spec may "work" and you may not notice any problems, but down the road when problems become apparent, this could become a bugger of a problem to track down.
Sent from my blackberry
-----Original Message-----
From: Trent Shipley <
tshipley@deru.com>
Date: Thu, 23 Jul 2009 15:25:10
To: Main PLUG discussion list<
plug-discuss@lists.plug.phoenix.az.us>
Subject: Re: cat-5
mike havens wrote:
> Will twisting it at the ends (so the tswists go under the sheath) fix
> this?
>
> On Thu, Jul 23, 2009 at 4:55 PM, Technomage <technomage.hawke@gmail.com
> <mailto:technomage.hawke@gmail.com>> wrote:
>
> mike havens wrote:
> > all I need it for is patch cables... and telephone cables. Why doesn't
> > crosstalk affect the telephone signal?
> >
> >
> most PSTN signalling is of low bandwidth (especially on the "last mile"
> run). now DSL is kind of an
> exception to this (except you need line filters on your phones to keep
> from hearing the "static" of the modem.
>
> you can probably get away with 10BaseT signalling on cat 3, but because
> of how the cable itself is wound
> (turns per foot, etc) your max length will be very limited. 100BaseT is
> not recommended at all owing to
> the large about of bandwidth used (typically greated that 200 Mhz wide)
> and cat 3 cable will
> act as an antenna at lengths longer than about 18 inches.
>
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>
> --
> :-)~MIKE~(-:
>
>
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Why do we want to do this again? I'm trying to figure out how using
phone wire out of specifications can possibly be economical.
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