... 2x64),Because, it is ABS box formed by the materials packaging,also called ABS BOX PLC SPLITTERSplitter(planar lightwave circuit ... splitter in bare device, fanout type, module type, rack mount type and closure types Module PLC splitter features:Good uniformity ... 2X128Available in steel tube type plc splitter , ABS Box type plc splitter , Rack mount box type plc splitter, LGX box type plc splitter