16 Gigabit PoE Ports Managed Ethernet Switch UTP7516GE-POE-4GF Datasheet Manual Firmware ADVANTAGESProvides 16 *Gigabit PoE RJ45 ports, 4* Gigabit uplink SFP ports.Provides web-based layer 2 network management and PoE management by simple operation.Supports high-speed data forwarding, very suitable for large flow of video data forwarding in security surveillance.Supports fast ring.Supports temperature-controlled fan.Quick Installation, simple operation, convenient for wall/desk/rack installation.