With ST to ST connectors, this fiber patch cable is ready for deployment in any singlemode 9/125 network. Singlemode 9/125 are best used for long cable runs. This singlemode, duplex fiber cable is comprised of corning optical fiber with ceramic connectors. The connectors utilize a UPC (Ultra Physical Contact) polish which provides a better surface finish with less back reflection. It has a yellow, riser rated, PVC, zipcord jacket. Features: Connector 1: ST Connector 2: ST Ceramic Ferrules Corning Fiber & Cladding UPC Polish Immune to Electrical Interference 100% Optically Inspected and Tested for Insertion Loss Jacket: OFNR (Riser-Rated) Applications: Fiber Network Deployments Fast Ethernet Gigabit Ethernet Other Data Applications Requiring High Transfer Rates