XDK-E8015U type ONU products fully comply with IEEE 802.3-2005 and the China Telecom EPON device technical specification (V2.1). It is operative, manageable and maintainable at telecommunication level, and can provide high speed data service for customers. 

It has a PON uplink port that connects to office end apparatus through optical fiber. Product features: Conform to IEEE802.3ah standard and meet CTC V2.1 technical requirements Support Ethernet service layer 2 switching and wire-speed forwarding of uplink and downlink services Support frame filtering and suppression Support standard 802.1Q Vlan function, support VLAN conversion Support 4094 VLANs (802.1Q) Support Dynamic Bandwidth Allocation (DBA) function Support QoS, including traffic flow classification, priority marking, queue and dispatch, traffic shaping and traffic control, etc Single ONU supports up to 8 LLID. Support IGMP Snooping Support Ethernet port ratelimit loop detection Support power failure alarm Support lightning protection for power supply and lightning protection for service port CATV radio frequency feature (optional) Output level 85dBuv (input-6dbm).