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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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RE: CAT-5 wiring details


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: CAT-5 wiring details
  • From: "Dr John Tankard" <jtankard@xxxxxxx>
  • Date: Wed, 27 Sep 2000 17:27:18 +0100
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

> > I have read different advice regarding Cat-5 cables. Should I
bite
> > the bullet and run shielded cable thoughout to allow flexibility.
>
> I think this is major overkill Chris.  But, If money is no object
though I
> don't know if there are any disadvantages in doing this?
>
As I recall there are three potential problems with shielded

1) if you forget to connect the shield to ground it works like a big
antenna

2) if you connect the shield the capacitance increases which effects signal
propagation. I am not sure on this second point perhaps Nigel could
clarify.

3) if you connect the shield at both ends you can end up with a ground loop

John



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