The Wirkos xpon AC onu is designed as HGU (Home Gateway Unit) in different FTTH solutions, the carrier-class FTTH application provides data service access USB storage,VoIP and CATV service.The onu is based on mature and stable , cost-effective XPON technology.It can switch automatically with EPON and GPON when it access to the EPON OLT or GPON OLT.The onu adopts high reliability,easy management,configuration flexibility and good quality of service (QoS) .