... down speed limit function based on each ONUSupport DBA and SLA functionVLANVLAN based on portGVRPIEEE802.1Q VLAN relayQinQ, ... portPort isolationPacket storm controlACL visit control function based on data flowPON port transmission data encryptionConfiguration managementCLI, Web, SNMP, ... is distributed and converged at MAN node, and adopt GE port; DBA, the user can share 1Gbps bandwidth reasonable, ...