Fiber optic patchcords and pigtails are components to link equipment and components in fiber optic network. There are many types according to different types of fiber optic connector including FCãSTãSCãLCãE2000ãMTRJãMPO etc with single mode(9/125um) and multimode(50/125 or 62.5/125). Cable jacket material can be PVC, LSZH; OFNR, OFNP etc. There are simplex, duplex, multi fibers, Ribbon fan out and bundle fiber.