Like the other poster said, just set them up using the web UI. Like this: https://www.youtube.com/watch?v=_EheP64iNGw or https://www.tp-link.com/us/support/faq/1000/ Short answer: Plug in the EAP...

My understanding is that it should just work, though VLANs may present issues. Somebody else suggested connecting that EAP to the POE switch first to get it identified and added. Try that also, in...

You can reset the EAP via the reset button on it and then try again. And if that still doesn't work, access the EAP via web, upgrade the firmware to the latest and try again.

@R1D2 I agree that EAP225 and EAP245 will likely continue even with 620/660HD. The latter looks to me to be optimized for high density, leaving room to keep the 802.11ac units as a lower priced...

You likely mean so they support DFS for North American units. :D

As a follow up, "fast roaming" is really best for phones and tablets. I think they all support it. Some Windows laptops may support it, depending upon your wireless drivers....