18 Gigabit Ethernet Ports: Includes 16 Gigabit POE+ ports and 2 Gigabit UpLink. All port support 10/100/1000Mbps, high speed transmission; 2 uplink, can be more flexible to connect to different network devices, such as routers, NVRs, servers, etc. | High POE Power: Maximum support 250W high output power, built-in power supply makes installation easier. Support IEEE 802.3af/at, each port max power supply reached 30W. *Please note: not support passive 24V PoE.* | Unmanaged Plug & Play: Support Power Detection function, automatically detect devices, can be compatible with non-POE devices to provide data connectivity. Plug and Play, just plug in the power cord, connect the ethernet cable directly to the device, can be used without configuration. | Extend function: The traffic are isolated from PoE Port 1-16,just only communicate with the uplink port 17/18, reduce network congestion, increase bandwidth utilization and improve network security | Widely Used: Small and compact size design. Durable Metal housing. LED indicator lights. Industrial fan ensure good heat dissipation. Widely used in home and business network, such as IP cameras, Wireless Access Point, Computer Networks devices, etc.