Baslinux mailing list

[Sindi Keesan <keesan AT iamjlamb.com>]

On Sat, 8 May 2004, James Miller wrote:

> On Sat, 8 May 2004, Sindi Keesan wrote:
> 
> > I have three UTP cables.  If I put the plugs next to each other, on the
> > first two (from the rummage sale) they both look the same (grey orange
> > black red....).
> >
> > On the third one (yard sale, where he has more) they are mirror images.
> > Is this crossover?
> 
> So-called "straight through" cat 5 cables (non-crossover) will have the
> following wire coloring scheme at the plug end (viewed from the plug's
> top):
> 
> either both ends Or/Wh | Or | Gr/Wh | Bl | Bl/Wh | Gr | Br/Wh | Br or both
> ends Gr/Wh | Gr | Or/Wh | Bl | Bl/Wh | Or | Br/Wh | Br .
> 
> A crossover cable, when plug ends are viewed with the same orientation
> will have one end Or/Wh | Or | Gr/Wh | Bl | Bl/Wh | Gr | Br/Wh | Br and
> the other end Gr/Wh | Gr | Or/Wh | Bl | Bl/Wh | Or | Br/Wh | Br
> 
> There are alot of these cat 5 cable diagrams available on the web if my
> text version is a bit difficult to interpret.

I don't follow what you mean about 'same orientation'.  

If I put the two ends head to head, in the yard-sale version the colors 
all line up, which leads me to think nothing is crossed over.  In the 
other two, head to head, the oranges are at opposite sides.  I will try 
those first.  


> 
> James
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