HG911(SFU) is a mini GPON optical network terminal device , which applies to pure broadband access.It adopts mini-type compact structure design with high-integration and can provide 1 GE（RJ45）interfaces. Supports the technology of layer 3 router function with PPPOE/DHCP/Static IP,and it’s easy to maintenance and manage.It can be applied to FTTH/FTTP access application for resident and business Users. and it is fully compliant to technical regulations such as ITU-TG.984.x technical requirment of GPON Equipment.Remote service distribution, fault diagnosis and performance statistics can be realized by OMCI, which effectively reduce the operation and maintenance cost.