Tripp Lite's 20-meter ( 66ft ) multimode duplex fiber optic SC/LC patch cable is manufactured from 62.5/125 zipcord fiber. The cable has LC to SC connectors a PVC jacket and is FDDI and OFNR rated. Duplex multimode fiber is most commonly used in LAN applications.- Premium PVC 62.5/125m multimode patch cables- Attenuation loss meets or exceeds the latest industry standards- Manufactured from 62.5/125 duplex (zipcord) fiber - PVC jacket - Length: 20-meter (66-ft.) Connectors: 2 SC/LC connectors on each end - Insertion loss testing performed on every connector (0.2db typical) and provided with cable - Beveled edge on ends of glass makes insertion of plug a breeze - Fiber made from glass (not a polymer) - Duplex multimode fiber is most commonly used in LAN applications - Duplex multimode fiber is most commonly used in LAN applications and OFNR (riser rated)