... operate 4, Good in exchange ST optical patch cord ST fiber optic jumper is available in both single-mode ... and low back reflection and optical loss, while ensuring maximum repeatabilityST optic fiber Features:1,Low insertion loss ... /125um or 62.5/125um)4, Cable Quantity: “2C” means two cores5, Cable Diameter: 3.0mm, 2.0mm, ... :1, 2, 3 meter or customized7, Cable type: PVC, LSZH, OM3, OFNR, OFNP, Plenum