Data Centers: In data centers, fiber distribution box is used to terminate and manage fiber optic cables connecting servers, switches, and other network devices. It typically contains splice trays, adapters, and cable routing components to manage fiber connections. FDBs are used to. Corning fiber zone box is a cabling infrastructure distribution facility for passive applications in zone cabling. It is ideal for interconnect or cross-connect points in data center zone or horizontal LAN distribution areas. Sized to fit a 2 x 2 ft drop ceiling or subfloor opening, it can also be. Molex provides modular trunks, expanded beam technology and easy-to-service designs that maximize bandwidth per rack unit while simplifying upgrades and troubleshooting.