I'm running home-made Power Over Ethernet about 40' toThe voltage you measure at the connector (without WAP11) is higher than the one under actual load.
a WAP on my roof.
The WAP's standard AC adapter puts out 5V DC at 2A,
which comes out on the roof as 6.2V DC. Apparently
there was significant amperage loss over the 40'
because the WAP would not function at that voltage.
You may want to measure the with the WAP11 operating - this is the one that should be close to 5Vdc.
The reason is twofold: the power adapter don't stabilize the voltage wihout load ( hence the higher than 6V measurment),
and voltage drop on the cable appear only under load too.
I gues the actual voltage to the WAP11 under this scenario is below 4V.
So I substituted an AC adapter that puts out 6.5V DCMost certainly it is, and it depends on the resiliency of the components.
at 2A, which comes out on the roof as 7.8V DC. And
the WAP works fine.
So I'd like to get an adapter that could put out 7V or
8V DC, which would be about 8.3V to 9.3V at the roof. And that leads to my question... Is there a point
beyond which the voltage would be too high for my
5-volt-rated WAP?
The RightWay (TM) to do this is to feed a higher voltage to the PoE cable (say 12 V) and use a 5V voltage stabilizer near the WAP11.
Mihai
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