Detailed Product Description Description Optical Fiber Patch Cord (Jumper) is a length of optical fiber with two ends adding connectors to connect beam path. Pigtail is a length of fiber permanently attached connector only at one end. Joinwit patch cords assembled with various types of connectors (such as FC, SC, ST, LC,MU,MTRJ etc.) There are three kinds of polished fiber end-face: PC, UPC and ...