[Leaplist] new office, existing cabling

[Kevin Korb]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Actually, the cheap one at Skycraft does check the pairs.  I too have a
much better one at work but an office with only 3 desktops doesn't need
much more.

Randall Perry wrote:
> On Wed, Jul 29, 2009 at 12:58 PM, Kevin Korb <kmk at sanitarium.net
> <mailto:kmk at sanitarium.net>> wrote:
> 
>     -----BEGIN PGP SIGNED MESSAGE-----
>     Hash: SHA1
> 
>     Those are all good suggestions.
> 
>     Sky craft has a crimper/tester set for <$20 IIRC.  They are cheap tools
>     but the price is right.
> 
>     If you decide to hire a company http://www.wiringtech.com/ is the best
>     in town.
> 
> Actually that is not a 'tester'. 
> It would just be a 'cable checker'. Those are typically $7
> Those only check for continuity.
> A step up is a tester that can check for reversed pairs. $35
> Light years past that is an analyzer. $700-$5,000.
> Mine was over $2,000 and runs embedded Linux.
> 
> I let some of my guys use a checker only for initial jack termination tests.
> All cabling projects we use are through with the analyzer/TDR.
> It checks for things like NeXT, Far end crosstalk, mismatched pairs,
> length and can tell you where exactly the shorts or breaks are in the cable.
> Buy a nice one, and it has hookups for speaker wire, coax and have
> multiple ID'd ends to check multiple cables with.
> It will then certify the cable to run at 10BaseT/100BaseT/Gigabit
> speeds/VoIP.
> For Fiber, I have used an OTDR (but I do not own an OTDR), or a palm
> meter and light source.
> Fun toys.
> 
> Keep in mind 80% of network problems are attributed to cabling (kinks,
> termination, EMI, etc).
> 
> Funny thing, is I have seen companies larger than ours (that ONLY do
> cabling), screw stuff up like green-horned college kids.
> Most of them can't tell you how to AM test for simple EMI issues around
> ballasts.
> 
> BTW, the CHEAPEST place you might find locally to get the tone and probe
> is at a Harbor Freight.
> They have a set for under $20.
> I would not use it myself, but would buy one for a loaner (I actually
> buy extra punch tools and checkers just to not loan out my prized tools).
> 
> -- 
> Randall Perry
> www.domain-logic.com <http://www.domain-logic.com>
> 574.612.5893
> 
> It needs but one foe to breed a war, and those who have not swords can
> still die upon them.
> --- J. R. R. Tolkien
> 
> 
> -- 
> This message has been scanned for viruses and
> dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is
> believed to be clean.
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> Leaplist mailing list
> Leaplist at leap-cf.org
> http://lists.leap-cf.org/mailman/listinfo/leaplist

- --
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
	Kevin Korb			Phone:    (407) 252-6853
	Systems Administrator		Internet:
	FutureQuest, Inc.		Kevin at FutureQuest.net  (work)
	Orlando, Florida		kmk at sanitarium.net (personal)
	Web page:			http://www.sanitarium.net/
	PGP public key available on web site.
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.11 (GNU/Linux)

iEYEARECAAYFAkpwtz4ACgkQVKC1jlbQAQd+HwCcCe/JLrRB5AEkDGIUPwV40H2N
SFEAoKaMgKKjTY+c1DdEo0LoF3jIFjL/
=uy57
-----END PGP SIGNATURE-----

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.