Optical cross connecting cabinet(OCC) series products are designed for fiber optic access network feeder cable and wiring cable junction of outdoor fiber optic cable interface equipment. A cross connect cabinet, also known as an optical cross cabinet or OCC is a device used for connecting, distributing, and dispatching trunk optical cables and distribution optical cables in communication networks for communication systems, power systems, traffic control systems and cable TV. Corning's family of optical cross-connects (OCCs) are versatile, fully enclosed cabinets designed for fiber optic rack-mountable hardware. Sun Telecom's SUN-OCC-SMC series fiber optic cross-connect cabinets are mainly used for termination and cross-connections between cabling elements.