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Thread: Power over ethernet (PoE) for Teensy?

  1. #1
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    Power over ethernet (PoE) for Teensy?

    What would be a good solution for powering a Teensy using PoE? I came across this PoE splitter by Adafruit. Are there best practises / solutions with regards to this? Are there perhaps ethernet modules like the WIZ850io which also act as a PoE splitter?

  2. #2
    Senior Member PaulStoffregen's Avatar
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    I've never seen any Wiznet modules with PoE support. Those external splitters are probably the way to go.

  3. #3
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    Thanks.

    I came to the same conclusion so I ordered the Adafruit splitter. This PoE splitter also provides 2.5kV galvanic isolation which is great. With 5V 2.4A the splitter is powerful enough to power my large DAW controller with the two displays. I have yet to test how this all fits together and if placing a power switch between the splitter and the Teensy will actually result in the PoE power being turned off by the PoE switch. This is all new territory for me

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