... optic patch cord 1.IL<=0.2dB,RL>=55dB 2.Connector:FC,SC,LC,ST,E2000,MU,etc 3.Polishing:PC ... patchcord or jumpter , only one end with the connector be named pigtail. SC stands for Subscriber Connector- a general purpose push/pull style ... , φ0.9φ3.0, φ2.0, φ0.9Ordering Information:(1)Connector type: FC, SC, LC, ST, MTRJ, MU, E2000, MPO, DIN ...