... jumpter , only one end with the connector be named pigtail. SC stands for Subscriber Connector- a general purpose push/pull style ... End-face: PC, UPC, APC (3)Core Type: Single-mode (SM: 9/125um), Multimode (MM: 50/125um or 62.5/125um ... )Cable type: PVC, LSZH, OM3, OFNR, OFNP, Plenum LC Duplex MM Fiber optic patch cord LC Duplex MM Fiber optic patch cordLC Duplex MM Fiber optic patch cord