Rack Mount Fiber Distribution Patch Panel Enclosure, Slide-Out, FDU, 1UAdapter panels and splice trays are NOT included. This fiber patch panel is only compatible with our FB24 adapter panel inserts and FB25 6196STP36 splice trays. Description Rack Mount Fiber Distribution Patch Panel Enclosure, Slide Out, 1RU, Holds 3 Adapter Panels, Up to 72 splices, Black This rack mount fiber patch panel is a 1 Rack Unit (1RU) and designed to support patching and splicing in one unit, up to 72 fibers (with 2x FB25 6196STP36). The