Fiber Optic Distribution Wall Box BIG Q-Fibers composed of a box and a panel. Wall-mounting ODF-BIGs are used to terminate and distribute optical fiber cables; they are convenient equipment to organizeand connect fiber optic links. The door and panel are hinged with locks. ODF is two-sectional, which enables separation of the cables and switches. The embossments on the bottom of the box make it possible to organise cables and fibre-optic pigtails in an easy, functional and aesthetic way.