Product Features: * Cabinet material quality cold-rolled plate (Q235-A) made with epoxy body surface electrostatic spray, corrosion resistant, anti-aging; * plastic part made from ABS material parts; * Double layer structure design, the upper wiring layer optical splitter, the lower layer of fiber splicing; * optical splitter modules drawer modular design, with strong interchangeability and versatility; * Use over plate structure, can high-density configuration port and spectroscopic facilities. * Comply (YD / T988-2007 communication cable transfer box request)