The N518-20M Tripp Lite's 20m multimode duplex fiber optic LC/ST patch cable is manufactured from 50/125 zipcord fiber. The cable has LC connectors on one end, ST connectors on the other and PVC jacket. It is FDDI and OFNR rated. Duplex multimode fiber is most commonly used in fiber and fiber channel applications. It is backward compatible with 62.5 micron fiber and built-in headroom for future applications. The cable provides higher bandwidth optimized for Gigabit and 10Gbps networks.