I was told that a contractor tripped the main breaker and the UPS's ran
down so that Gigaswitch-01 on the MFS side no longer had power.

Since the 4 OC-3c's that link MFS and Ames are on that switch, connectivity
has been lost until MFS can restore power. Folks on the Ames side
can still talk to each other-but that's about it.