They supply an NTU that they plug the fibre into and then, yeah, you plug whatever into it or use the WIFI. (my best guess for why they turned off the ports is

They supply an NTU that they plug the fibre into and then, yeah, you plug whatever into it or use the WIFI. (my best guess for why they turned off the ports is they just did a big swap-out of the original NTU for a new NTU + WIFI base and -maybe- did an over-exuberant reconfiguration that caught people still on the old NTUs like us.)