28 Ports Includes 24 x 100M POE ports, 2 Gigabit Uplink Ports (not PoE), 2 Gigabit SFP Port. More gigabit uplink ports support higher rates and increase concurrent services on POE ports ^^ IEEE 802.3 af/at 450W Output IEEE 802.3 af/at standard PoE, with internal 450W power supply, POE port max power supply reached 30W. Output voltage is 4457V, not supply power to passive 24V PoE. ^^ Unmanaged Plug & Play Support Power Detection function, automatically detect PoE devices, can be compatible with non-POE devices to provide data. Plug and Play, just connect the power cord, connect the ethernet cable directly to the device, without configuration.
^^ Easy Install Support wall/rack mount with mount ear, suitable for many positions such as desktop, weak current box, cabinet, etc. Support extender function, POE extended to 250m when 10mbps rate, 1-24 ports VLAN isolation and only communication with uplink port ^^ Widely Used Durable Metal housing. LED indicator lights. Gigabit uplink, widely used in IP cameras, Wireless Access Point, Home and Office Networks, etc. Provide lifelong technical support