I also implemented many of the suggestions in this thread with no success. The switch is reporting Class 4 POE on the port but neither the AP nor a Fluke LinkRunner AT 2000 reports appropriate POE actually being delivered (LinkRunner AT reports clas...
I will add that I am seeing the same thing with an X440-48P-10G and a Cisco 2702i AP. Everything comes up fine with .af POE but this restricts antenna usage as well as the secondary port on the AP. AP gives an error about inadequate power available...