--- Doug Koobs <dkoobs@dkoobs.com> wrote:
> Mark Banschbach said:
> > Greetings Sluggers..
> >
> > I have a cabling question for those who might have
> > experience in this area. I was recently given a spool
> > of leftover cable that is labled CAT-5e. It has only
> > 4 wires that I can see.. unlike the standard 4 twisted
> > pairs..
>
> Mark,
>
> Some cables have the pairs molded together, so they almost look like
> there is only
> one wire, when in fact there is a pair. I'm not aware of any cat5e
> cables that only
> have 4 wires.
>
> That being said, you can make a 100BaseTX or 10BaseT ethernet cable
> with only 4
> wires and 2 RJ-45 connectors, but it's difficult to get the wires in
> the right
> slots. Hold the RJ-45 with the clip towards the floor, and the pins
> away from you.
> Then, insert the wires in the 1st, 2nd, 3rd, and 6th position, and
> crimp. Make note
> of which color goes into which position, and do the same on the other
> end for a
> straight through cable.
>
> Here's a page that seems to have decent pinout descriptions for 4
> pairs:
> http://www.ertyu.org/~steven_nikkel/ethernetcables.html
> Just pretend they have only 2 pairs, green and orange, on their
> pictures, and that's
> what you need to do.
>
> As I said, it can be difficult to get the wires in the right pins,
> since you're
> missing wires, but I have done it before.
>
> Doug
>
also, some types of cable require that the individual wires need to be
stripped about 1/16 of an inch from the end, and take a different rj45
plug (the difference is in the configuration of the teeth on the brass
tab inside the rj45 connector). i havent seen cable like this in quite
some time and to my knowledge it doesnt exist in cat-5e (only cat-5),
but again, im not positive.
the outside of the box should (hopefully) tell you what kind of plugs
to use and if it should be stripped.
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