Hi Dave,
There actually is an easy answer: DC to DC converter.
And yes, above 48v on PoE is generally bad even though it might work on
some systems.
Frank Dave Parker wrote:
Hello I have what I'm guessing is a really easy to answer question: Is 59.2vDC an unacceptably high voltage to send through a POE injector to a net4526? I've salvaged a bank of lithium batteries and charger from an electric scooter, and while I'm suspecting that there are enough amp hours there to run the board for "a very long time" without charging, I'd like to use those amp hours for other things, so I'd like to use the charger while the board is in operation. The charger's logic appears to have voltage top out at around 59.2v, and maintenance is around 56v. The former scares me a bit. Will the board tolerate that? Is there something I should add to the circuit to protect the board while the charger is operating? The cat5 run from the injector to the board is in the 5-8' range. I've tried finding a concise answer to this question with some extensive googling to no avail aside from two documents that mention "absolute maxium voltage = 68vDC. That's not enough to make me feel secure about my magic smoke, hence... I ask :) Thanks in advance, Dave Parker _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
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