The compact white box (205x135x40mm) is designed for up to 4 fiber cores, with separate internal compartments for fusion splicing, splitting, and neat cable routing. It helps prevent sharp bends that can cause signal loss, and supports SC/FC connectors for flexible setups. Organizing and protecting fiber optic cables just got easier with this Namvo distribution box. OTRANS strives to provide you with professional, reliable. Fiber Distritbution Box 4 Cores IP-55 SC Connector PLC Splitter (FDB), known as optical Distribution box (ODB) as well, is a compact fiber management product of small size. It is typically used in cabling work area subsystems.