Rack Mount Fiber Distribution Patch Panel with Splice Trays, Slide-Out, FDU, 1UAdapter panels and pigtails are NOT included. Description Rack Mount Fiber Distribution Patch Panel with Splice Trays, Slide Out, FDU, 1RU, Up to 72 Splices This rack mount fiber optic patch panel is a 1 Rack Unit (1U 1RU) high density distribution unit that provides high density fiber capacity of up to 72 fibers when utilizing three of our LGX type LC quad adapter panels. Included with this Fiber Patch Panel are three 24 fiber splice trays. This