FDB-104C-2 Fiber Distritbution Box 4 Cores IP – 55 SC Connector PLC Splitter is a high-quality fiber optic distribution box designed for indoor or outdoor use. With an IP-55 rating, it is dust-tight and protected against water jets, making it suitable for use in harsh environments. The system can be deployed in multiple applications including central office, headend, FTTx, FTTCS, and data center. Centrix system supports up to 4,320. 4 Port Fiber Termination Box is designed for FTTD (Fiber to the Desktop) system applications. It is normally installed in the way of wall mounting. How to order a Linkwell Fiber Termination.