[plug] OT: Point to multipoint wireless

[Onno Benschop]

On Mon, 2004-03-15 at 15:42, Michael Hunt wrote:
> > >       * If you run Ethernet up the pole, you'll also need to run power
> > >         up the pole.
> 
> I read recently on an article describing a similar situation to yours
> that there is a 'power over ethernet' spec that means that you wouldn't
> need to do this (i.e. run power up the pole as well as ethernet). I'll
> see if I can find the article again but maybe a google on those three
> words might turn something up for you.

There are many articles. Some even say that the 900AP+ supports PoE
direct, but I have no evidence of that at this stage. I'm actually
running a sneaky form of PoE, I run a power supply at the bottom of the
mast, then run ~12V up the mast, then use a DC-DC converter on a chip -
v.nice - doesn't get hot - that then gets converted to whatever the AP
needs. (I forget what.)

I even saw a report that the 900AP+ can be powered direct with anything
between 5 and 25V, but I didn't investigate further because I already
had a solution - the claim was based on a chip on the AP board that acts
as a step-down or some-such (ask Harry :-) to protect the AP.

If you're really curious, I can attempt to hunt through my links - but a
google on hack 900ap should find some stuff...


Onno Benschop 

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