Zyxel GS1920-48V2 Managed Gigabit Ethernet (10/100/1000) Black

LED indicators: Yes Safety: LVD, BSMI Rack mounting: Yes Product colour: Black Electromagnetic compatibility: FCC 15 A, CE A, BSMI EMC AC input voltage: 100 - 240 V AC input frequency: 50 - 60 Hz Power consumption (max): 36.9 W Password protection: Yes MAC address filtering: Yes Security algorithms: 802.1x RADIUS IP-MAC-Port binding: Yes DHCP features: DHCP snooping Queue scheduling algorithms: SPQ Authentication type: IEEE 802.1x, RADIUS IGMP snooping: Yes Access Control List (ACL): Yes Authentication: Guest VLAN, Port-based authentication CPU defense: Yes Storage temperature (T-T): -40 - 70 °C Storage relative humidity (H-H): 10 - 95% Heat dissipation: 125.83 BTU/h Operating relative humidity (H-H): 10 - 95% Operating temperature (T-T): 0 - 50 °C Quality of Service (QoS) support: Yes ARP inspection: Yes Switch type: Managed System event log: Yes Height: 44.5 mm Width: 440 mm Depth: 220 mm Weight: 2.8 kg Networking standards: IEEE 802.3ab Copper ethernet cabling technology: 1000BASE-T Virtual LAN features: Private VLAN Rate limiting: Yes VLAN support: Yes Flow control support: Yes 10G support: No Spanning tree protocol: Yes