About this item Support rich QinQ VLAN functions and IGMP Snooping multicast features. Fully compatibility with OLT based on Broadcom/PMC/Cortina chipset Support 802.11n/ac Wi-Fi(4T4R) function. Support NAT, Firewall function. Support IPv4 and IPv6 dual stack. Full speed non-blocking switching. 2K MAC address table.64 full range VLAN ID.Support QinQ VLAN, 1:1 VLAN, VLAN reusing, VLAN trunk, etc. Integrated port monitoring, port mirroring, port rate limiting, port SLA, etc. Support auto polarity detection of Ethernet ports (AUTO MDIX) Ÿ Integrated IEEE802.1p QoS with four level priority queues Support IGMP v1/v2/v3 snooping/proxy and MLD v1/v2 snooping/proxy Ÿ Support bridge, router and bridge/router mixed mode POWER Light on ONU power supply normally Light off ONU no power supply 2.4G ON Wi-Fi turn on OFF Device is power off or Wi-Fi turn off Blink Wi-Fi turn on and with ongoing data transmission