Rutx50 and PoE (802.3)

I understand that the rutx50 can’t handle the full ~48v voltage supplied from an active (non-passive) 803.3 PoE switch. However, since no negotiation takes place enabling PoE do you consider it safe to plug the rutx50 into such a PoE switch? Sometimes you just don’t know what’s in the other end.


It should be perfectly fine to plug in active PoE switch into RUTX50, however, there are a few precautions to take into account before doing so:

  • It’s suggested to not use LAN1 port, as it’s tied into the RUTX50 power circuit

  • Make sure active PoE switch and RUTX are power from different power sources (different PSUs)

Other than that, as long as it’s an active PoE switch (not passive), tge device should be fine. This is explained in more detail on our active PoE switches Wiki pages: TSW100 Powering Options - Teltonika Networks Wiki

Hope this helps!

Best regards,

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