[Wylug-discuss] Laptop and wireless questions

[Anne Wilson]

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On Monday 25 Jul 2005 12:14, Jim Jackson wrote:
> On Fri, 22 Jul 2005, gARetH baBB wrote:
> > ..... you run one cat5 (which can actually give you two 100M
> > connections, there are four sets of pairs in cat5, 100M only uses 2 sets
> > of pairs)....
>
> A word of warning. gAReth is implying you can wiring up the 4 pairs of
> a standard cat5 cable as 2 connections for 10BaseT or 100BaseTx (10M or
> 100M twisted pair ethernet).
>
> While this may be true in some circumstances (I run such connections on
> some wires at home), it will not always work.
>
> My experience is that it works almost flawlessly for 10BaseT (10Meg
> Ethernet), that it works mostly for 100M, IF you do not try it with long
> runs (keep it less than 30-40m), and if you use the best quality cable
> (use Cat5E cable), and are very careful with maintaining twists when
> wiring up rj45 faceplates etc. Also older equipment may have problems. The
> electronics has improved no end since 100BaseTX was invented - modern
> equipment should cope better.
>
Thanks, Jim.  Noted.  I want to try the reorganisation of the LAN method 
first, but in the interests of family harmony I'll wait until my son-in-law 
returns home next weekend, then discuss it with him before starting.  As the 
total length of the run is upwards of 25m, it does a few tight-ish bends, and 
the wiring has been in place for 5 years or more I think your cautions are 
very relevant, so this would be a last resort.

Anne
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