Fiber Optic Distribution Cabinet, short for FDC, is specially used for cross connect of fiber optic feeder cables and distribution cables in Fiber to the Home network. Designed for operational efficiency and scalability, NEMA fiber demarcation cabinets simplify network installation, maintenance and management for. Corning FDC unit product line is a family of housings combined for the splicing and termination of fiber optic cable. The FDC family of products includes three types of housings: connector housings that accommodate a wide range of termination options, splice housings that enable on-the-rack splicing, and FDC units that combine connector and splic housings in a single unit.