Type SC/UPC-FC/UPC Single mode SM Fiber Patch Cord Connector. SC FC LC ST optical fiber connector is the two end precision optical fiber optic jumper, dock up according to the transmission medium can be divided into common silicon-based optical single-mode, multi-mode jumpers, and other such as plastic for transmission medium of fiber optic jumper cables, By connecting head structure forms can be divided into: FC , SC,ST , LC , MTRJ , MPO, MU, SMA , FDDI , E2000 , DIN4 , D4 etc various forms.