①System capacity: The system has a large-capacity IP switching core (30G), provides a 10G Ethernet network interface, and each OLT can support 36 PONs;
②Multi-service interface: support TDM, ATM, Ethernet, CATV, and provide strict QoS guarantee, which can fully absorb existing services and truly support the smooth upgrade of services;
③High reliability and availability requirements of the system: The system provides an optional 1+1 protection switching mechanism, which fully meets the requirements of the telecommunication network for network reliability, and the switching time is less than 50m;
④Network range: 10-20km network diameter can be configured to fully meet the requirements of the access network;
⑤ Unified system management software platform: For different access methods, there is a unified network management platform.