Passive POE

[Daniel_LaFleur]

Originally Posted by RufflesRidge

Wrong. 802.3af POE perhaps, but as the acronym stands for Power over Ethernet, any power provided by an Ethernet cable qualifies, hence the labeling on one port of the radio "18-24V POE".

802.3af is an industry standard that uses ~48vdc, supplies 15.4w, and uses as a minimum cat3 cable

802.3at is an industry standard that uses ~52vdc, supplies 30w, and uses a minimum cat5 cable.

"18-24v POE" is non standard. It will only work with devices specifically designed for it and will probably burn up if used with standard PoE. Use at your own risk.

Back to the OPs post: I would not use PoE on a mobile robot because the RJ45 connector is not robust enough for the vibration our robots see.