Corning universal optical splice enclosures (OSE) are designed to manage the transition between outside plant cables and fire-retardant indoor riser cables in fiber optic networks. These rugged and versatile enclosures are ideal for use in equipment rooms, splicing vaults or building entrance terminals in CATV, telco or private network environments. The universal OSEs were designed with flexibility in mind. An adjustable interior backplate and removable cable entry plates accommodate top-only, bottom-only or top and bottom cable entries. The removable cable entry plates also enable custom-entry options, including midspan and combination entry configurations. The universal OSE was also designed to provide excellent fiber management. Throughout the cabinet, large routing and guide plates and large routing clips along the walls organize and separate stored fiber and fiber entering the splice trays. In addition, fiber may be routed through the four horizontal pass-through ports located nea