... 12 SC 24------480x250x1U----24 SC 48 ... and manufacturing fiber optical components, which include patch cords, pigtails, adapters, attenuators, splitters and patch ... fiber optic attenuator,fiber optic pigtail,fiber optic splitter,Fiber Optic Coupler,Optical Terminal Box,Optical Distribution Frame,Optical Joint Closure,Fiber Optic Splice Tray,fiber optic connector,fiber splitter box,fiber distribution box ...