Tripp Lite N366 03M 10 Feet Duplex Singlemode 8.3 125 Fiber Optic Patch Cable is made from 8.3 125 zipcord fiber. The cable has SC connectors on one end, LC connectors on the other, a PVC jacket, and is FDDI and OFNR rated. Duplex singlemode fiber is most commonly used in LAN applications.