Wireless Networking Ubiquity PS-2 bridge kit - followup

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Subject Author Date
Ubiquity PS-2 bridge kit - followup Lloyd E. Sponenburgh 09-15-08
Posted by Lloyd E. Sponenburgh on September 15, 2008, 7:22 am
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I received, installed, and fiddled with the Ubiquity kit.

IF the documentation had been less ambibuous, the whole process would
have taken about two hours -- most of which would've been hanging the
masts and routing the POE cabling.

However, it took me one day of head scratching, and an hour the next
day to fix the problem.

It turns out, their docs use the strange convention of "station" and
"Access Point" for the bridge components. They do not make it clear -
in fact they somewhat mislead you to think otherwise - that it's
important which end is which.

Presumably, the setup is a totally transparent bridge, but only an
"access point" is capable of associating with a local subnet via DHCP;
even though either end can (apparently) be configured to do so.

So, reversing my station and AP assignments got the system up on the
first try, after dozens of attempts to figure out what I had failed to
do when they were the other way-round.

The system holds up solidly at 48Mb/s over the 500' I have to feed.
Some footnote specs say that the "typical" link of 5Km will work at
full bandwidth.

I still need to do some threshold tests to see how low a radiated
power I can get away with. I drove to a spot a mile downwind of my AP
(with it set at maximum), and was still able to get a solid carrier.
I shouldn't really be pushing that much power out into the woods for
that short a link.

LLoyd


Posted by Core2Duo on September 15, 2008, 5:51 pm
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"Lloyd E. Sponenburgh" <lloydspinsidemindspring.com> wrote in message
>I received, installed, and fiddled with the Ubiquity kit.
>
> IF the documentation had been less ambibuous, the whole process would
> have taken about two hours -- most of which would've been hanging the
> masts and routing the POE cabling.
>
> However, it took me one day of head scratching, and an hour the next
> day to fix the problem.
>
> It turns out, their docs use the strange convention of "station" and
> "Access Point" for the bridge components. They do not make it clear -
> in fact they somewhat mislead you to think otherwise - that it's
> important which end is which.
>
> Presumably, the setup is a totally transparent bridge, but only an
> "access point" is capable of associating with a local subnet via DHCP;
> even though either end can (apparently) be configured to do so.
>
> So, reversing my station and AP assignments got the system up on the
> first try, after dozens of attempts to figure out what I had failed to
> do when they were the other way-round.
>
> The system holds up solidly at 48Mb/s over the 500' I have to feed.
> Some footnote specs say that the "typical" link of 5Km will work at
> full bandwidth.
>
> I still need to do some threshold tests to see how low a radiated
> power I can get away with. I drove to a spot a mile downwind of my AP
> (with it set at maximum), and was still able to get a solid carrier.
> I shouldn't really be pushing that much power out into the woods for
> that short a link.
>
> LLoyd
>

Interesting read Lloyd.
Keep us posted.



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