The three-layer network management switch product line adopts a modular design, supporting optical and electrical combinations from several ports to dozens of ports, as well as multiple port bandwidths and combinations of 100/1000/10 Gigabit. Combined with the two-layer intelligent network management switch, it can provide a complete access layer, aggregation layer, and core layer product line, making it a high-quality choice for building wide area networks, regional networks, data center cores, and aggregation.