For information about compatible fiber SFP modules, visit: community.ubnt.com/unifi
Software Installation
Download the latest version of the UniFi Controller software at: ui.com/download/unifi
From a management station connected to the same Layer-2 network, launch the
installer and follow the on-screen instructions.
Note: If you already have UniFi Controller v4.8 or higher installed, go to the
section, Adopting the UniFi Gateway.