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 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 Port features: 1 PON ports (1.25G) 1 10/100/1000M port Physical features: Power supply: 12VDC Power consumption: 6W Temperature: Working temperature:0～55℃ Storage temperature: -30～60℃ Relative humidity: 10～90% (non-condensing)