The SC3331 series campus switches are positioned as three-layer Gigabit managed switches with a variety of models. They provide users with Gigabit access and up to 10 Gigabit uplink rates, fully meeting users’ needs for high-density access and high-performance aggregation. They also provide PoE+ models, with a single port providing up to 30W of power supply capacity, and support the three-layer protocols required for campus scenarios. They can meet the needs of building fast, stable, and efficient networks in application scenarios such as smart campuses, intelligent transportation, and video surveillance.