Cisco UC520-24U-8FXO-K9. Management protocols: SNMP, Data link protocols: Ethernet, Fast Ethernet, Switching protocols: Ethernet. Authentication method: RADIUS, SSID, EAP. Networking features: Ethernet/ Fast Ethernet. Dimensions (WxDxH): 445 x 356 x 89 mm, Weight: 6.6 kg. Power requirements: 120/230V, 50/60 Hz