If you Google “ap360 installation guide extreme networks” the first hit provides the install guide.
Weird that this is from a 3rd party website and there is no link from a Extreme web page.
Is this the official datasheet of AP360? I do not see its official information on the https://www.extremenetworks.com/products/extremewireless/
yes, it is, it just has not been posted to that location yet.