*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 1LLID.

          *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