[CLUE-Tech] ethernet wiring

[Brandon N]

There are different types of testing devices.
1. Tone generator, used for tracing wires, useful if you have a wiring
closet with more than 10 wires, or your tracing someone elses
(unlabeled) wires.  They run about $75 for the probe and generator.

2. Simple link tester.  checks wires for crossovers, split pairs,
shorts, (this is what I have)  Home depot sells them for $70 (I don't
remember paying that much, but anyone is welcome to borrow mine.)

3. Tools that can verify bandwidth capabilities, these can run from
several hundred to several thousand dollars,  The one that my college
used to have could tell you the distance to a kink in the wire based on
the echo.

Yes it's true that if it doesn't work, you know you have a problem, but
it's useful to be able to determine exactly where that problem is, I've
found the link tester to be an invaluable tool.

Brandon


--- Dave Anselmi <anselmi at americanisp.net> wrote:
> Brandon N wrote:
> 
> > If you're going to be doing any amount of wiring, you should pick
> up a
> > simple cable tester.  You plug it in to both ends and it tells you
> if
> > you have it crossed or split pairs.  They also have a wiring
> diagram on
> > them.  You can pick them up at Home Depot for about $30-$40,  which
> is
> > where I also got all my cabling, If you don't like shopping at Home
> > Depot, you could also try Graybar.
> 
> Now that's a useful tip.  I shopped at Graybar (Home Depot didn't
> occur to
> me, and I didn't know enough to shop online).  The cable testers I
> saw were
> $100 or $200 (with a tone generator).  In the end, I didn't get one. 
> As
> the Graybar guy said, "if you wire it wrong, it won't work".  That
> advice
> was good enough for the job I did.
> 
> I also built my own tone generator (for tracing wires) out of a 9v
> adapter
> and a multi-meter.  Less than ideal, I know, but it worked.  Anyone
> know
> any good "build it yourself" sources?
> 
> Dave
> 
> 
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