The netis EP8104P 4 ports Fast Ethernet and 2 FXS voice type EPON ONU is one of the most popular ONU's used in FTTH deployments till now. It has 4 Ethernet ports and 2 FXS ports. Most important is that you can start providing a phone access to your FTTx customers just merely installing this ONU at CPE premises, and connecting regular POTS phone to any of 2 FXS ports. Then ONU will serve as a VoIP client gateway.
Service Flow Classification based on MAC Address/VLAN/ IP Address /DSCP /L4 port, 802.3x flow control, Schedule rules Support SP/WRR/SP+WRR, Upstream Priority Label Support 802.1p User Priority, Rate Limit and Traffic shaping, Congestion Control Support Tail-Drop/WRED/RED
802.1Q tag VLAN, VLAN transparent mode/VLAN translation mode/VLAN trunk mode
Authentication based on Loid and Password or base on MAC Upstream and Downstream FEC, Dynamic Bandwidth Allocation(DBA) , Optical power detection, Dying Gasp, Terminal Silent mechanism, Ethernet port loop testing