D-Link DGS 2000-28P - Switch - L3 - Managed - 24 x 10/100/1000 (PoE+) + 4 x combo Fast Ethernet/Gigabit SFP - rack-mountable - PoE+ (193 W)

24 x 10/100 / 1000Base-T PoE Port Supports the IEEE 802.1D STP, 802.1w RSTP, and 802.1s MSTP protocol The Engine Safeguard feature helps protect switches against excessive data traffic caused by malicious attacks. The DGS-2000 series also supports protocols 802.1X, allows the client to be authenticated via an external RADIUS server. The DGS-2000 series supports Auto Voice VLAN and Auto Surveillance VLAN which allows voice and video traffic to be automatically recognized and given higher priority than other data traffic. Surveillance Mode will detect the appropriate camera ONVIF and place them in VLAN surveillance. A switch can be used for voice, video and data communication, thus saving costs for the purchase of devices with different functions.