- With LC to SC 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.