A system includes an enclosure with a first side wall, a second side wall, and a first wall assembly. The first wall assembly extends between the first side wall and the second side wall and includes a first shaft-holding portion, a first plurality of latch assemblies having a first latch end and a first pivot end, and a first shaft that extends within the first shaft-holding portion and that is coupled to the first plurality of latch assemblies at respective first pivot ends of the first plurality of latch assemblies.