What happens when both DC and POE power are supplied?

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Bob Huckins
Posts: 1
Joined: Tue May 16, 2023 8:00 pm

What happens when both DC and POE power are supplied?

Post by Bob Huckins »

If both POE (Power Over Ethernet) and DC power are supplied, what happens? My guess is that if the POE Facet card is installed, the DC power input is ignored (even if the POE input is not actually supplying power).

Andrey.Mazlin
Posts: 97
Joined: Tue May 05, 2020 7:02 am

Re: What happens when both DC and POE power are supplied?

Post by Andrey.Mazlin »

Bob Huckins wrote:
Tue May 16, 2023 8:17 pm
If both POE (Power Over Ethernet) and DC power are supplied, what happens? My guess is that if the POE Facet card is installed, the DC power input is ignored (even if the POE input is not actually supplying power).
Not 100% correct. Existing of the FC-POED FACET does not affect the standard DC power. The device can still be powered from the standard PSU supplied with the device. The SBC smart power management circuit knows how to handle more than one power source.
Andrey Mazlin, Application Support Engineer
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https://fit-iot.com/web/
Support Wiki: http://www.fit-pc.com/wiki/
Support mail: fitpcsupport@compulab.co.il

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