... test PC APC UPC polishing Manufacturer,Competitive price Fiber Optic Patch Cord(LC,SC,ST,FC)/(PC,UPC,APC)/(SM, ... MM)/(Duplex,Simplex)All the types of patch cord available in both single-mode and multimode versions. ... Fiber patch cords come with a zirconia ceramic ferrule with pre- ... Low insertion loss FC-FC/MM/duplex fiber optic patch cord