Monoprice 110328 40 meter (50/125 Type) Fiber Optic Cable LC/LC OM2 Multi Mode Duplex, Orange Fiber optic cabling has become the conduit of choice for high speed network communications High-quality Single-mode and Multi-mode duplex cables using optical fibers made by Corning This is an OM2 "Orange" multi-mode cable with a 50 m core and 125 m cladding diameter