... time Fiber optic patch cord FC-FC SM Performance parameter Type: FC/UPC-FC/UPC SM 9/125 Polishing: UPC Insertion Loss ... Ferrule End-face: PC, UPC, APC Core Type: Single-mode (SM: 9/125um), Multimode (MM: 50/125um or 62.5/125um ... )8.Premise installation9.CATV,Metro,Test equipment FC-FC UPC SM Fiber Patch Cord