On Mon, 8 Mar 2004 "Antonio Carlini" <arcarlini_at_iee.org> wrote:
> > > The rules aren't quite what you said -- the transceiver
> > rule is that
> > > you put them on the stripes. You can put transceivers on adjacent
> > > stripes.
> >
> > You can, but I was always told (and read somewhere) there
> > should be two stripes between, not one.
>
>
> Paul's rule (which is the one I was told) is that you can use
> *any* stripes and there is *no* requirement for one stripe
> in between transceivers (never mind two).
>
> Given that this stuff was often hidden in suspended ceilings
> and suchlike, it would be quite tricky to check that adjacent
> stripes (or two adjacent stripes) were unused (I assume the rule
> applies in both directions. Surely it would have been easier
> to miss out the unusuable stripes?
>
> OTOH I don't have any documentation to hand that says one
> way or the other but I'd be happy to see it written down
> unequivocally somewhere.
I'm pretty sure that the stripes are at 2.5 m.
I'm also pretty sure that the standard says you should have 5 meters
between transcievers.
But I have actually never really understood why. Maybe just to not damage
the cable to much with vampire taps? There cannot be an electrical or
signal reason for this, as far as I can tell.
Johnny
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt_at_update.uu.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
Received on Mon Mar 08 2004 - 09:10:26 GMT