... and flexible networking construction, etc .ONU FD404H’s technology standard fully complies with ITU-T,IEEE,YDT and ... .Functional Features Comply with IEEE802.3ah(EPON),China Telecom EPON technology standard V2.1 Support IEEE802.3AH OAM function ... ,such as Data ,Voip and IPTVSupport Dynamic Bandwidth Allocation technology CATV (RF) technical featureWorking wavelength: 1550+/-10nmOptical Reflection ...