HE911(SFU) is a mini GEPON optical network unit 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 isfully compliant to technical regulations such as IEEE802.3ah and technical requirement of EPON Equipment (V3.1).