OM4 LC ST Plenum Duplex Fiber Patch Cable 40/100Gb Multimode 50/125. OFNP multimode fiber jumper assembly with self-extinguishing, flame retardant, UV resistant, plenum rated, aqua jacket, 50um Corning fiber core, zip-cord reinforced jumper cord, small form factor 1.25mm ceramic ferrule LC duplex and stainless steel ferrule ST duplex terminations.