Its immunity to electronic interference and its greater speeds over longer distances, fiber optic cabling has become the conduit of choice for high speed network communications. is proud to offer a full line of high-quality Single-mode and Multi-mode duplex cables using optical fibers made by Corning. This is a "Yellow" single-mode cable with a 9 μm core and 125 μm cladding diameter. The cable has a color-coded Dual LC connector on one end and a Dual SC connector on the other end. The cable jacket is OFNR (Optical Fiber, Non-conductive, Riser) rated by UL, which means that it complies with fire safety and insurance requirements and is safe for use within the walls, and between the floors, of commercial class buildings.