Most likely, the equipment would move to a community owned and maintained equipment enclosure/shed. This is a worn path for coops and other endeavors like this where residents go in to buy a DSL DSLAM and pull fiber to it, with the "last mile" being copper runs.

It's pretty easy, I just sell myself an easement on the property for $1 before I sell to someone else. I can also just move the electronics somewhere else. The nice thing about fiber is the range, I can be within 25dB of here and it will still work. With average loss of 0.5dB/km that gives you a decent range