Steve Wolfe wrote:

>> Plus don't you have to earth them [STP] at one end?
>
> And only one end. Grounding (Earthing) at both ends creates a path for
> current to flow to ground OTHER than the mains wiring, and if there are a
> few amps (or more) going to ground, you do not want it going through your
> shielding ("Hey! Why did the network just die?"). You also don't
> necessarily need the hum from having the ground loop, either.

Actually, that should be at only one point. You can ground the shield
anywhere along it's length, so long as there is only one grounding point.
However, with most cables, it's easiest to ground at the ends.

--

Fundamentalism is fundamentally wrong.

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