EPON ONU pure data type ONU is a passive fiber network user product which was designed by our company for broadband access market basic on EPON technology. ONU with the use of EPON local product (OLT) can provide user whole broadband access solution basic on EPON technology.EPON ONU has high reliability , providing quality of service (QOS) guarantee, easy management, flexible upgrade dilatation and forming network main feature, each of its function and performance parameter are compliant to IEEE related suggestion, international related standard and industry standard.