[Tfug] Yet another poser

jblais joe.blais at pti-instruments.com
Mon Sep 17 13:35:25 MST 2007



> -----Original Message-----
> From: tfug-bounces at tfug.org [mailto:tfug-bounces at tfug.org]On Behalf Of
> Bexley Hall
> Sent: Friday, September 14, 2007 12:23 PM
> To: tfug at tfug.org
> Subject: [Tfug] Yet another poser
>
>
> The question becomes what to do with the other
> 4 conductors in the "widget".  I suppose to
> truly mimic a crossover cable, they should be
> present and run "straight through" -- is this,
> in fact, how "real" crossover cables are wired?
> Or, do vendors skimp and simply *omit* these
> extra conductors to save a few millipennies?
>
> Lastly, how are crossover cables typically
> identified?  I had assumed I would just slap a
> label on this (I label all of my widgets since
> you "can't tell the players without a program"!)
> saying "CROSSOVER"...?


Hello -

What about the devices that get their power over the wire (something I
recall or dreamt, for industrial stuff) in which case the signal wires would
be swapped but not the power.  I don't know iif these devices use the cat5
wire or some other stuff.

joe





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