Zyxel GS1920-48HPV2 Managed Gigabit Ethernet (10/100/1000) Power over Ethernet (PoE) Black

Product colour: Black Safety: LVD, BSMI Electromagnetic compatibility: FCC 15 A, CE A, BSMI EMC Rack mounting: No AC input frequency: 50 - 60 Hz AC input voltage: 100 - 240 V Power consumption (max): 474.3 W Security algorithms: SNMP Authentication type: IEEE 802.1x, RADIUS Authentication: Guest VLAN, Port-based authentication MAC address filtering: Yes Queue scheduling algorithms: WFQ IP-MAC-Port binding: Yes DHCP features: DHCPv6 relay IGMP snooping: Yes CPU defense: Yes Access Control List (ACL): Yes Password protection: Yes Storage temperature (T-T): -40 - 70 °C Operating relative humidity (H-H): 10 - 95% Storage relative humidity (H-H): 10 - 95% Operating temperature (T-T): 0 - 50 °C Heat dissipation: 1617.36 BTU/h Quality of Service (QoS) support: Yes System event log: Yes ARP inspection: Yes Switch type: Managed Height: 44 mm Width: 441 mm Depth: 270 mm Weight: 4.1 kg Networking standards: IEEE 802.3ad 10G support: No Rate limiting: Yes Flow control support: Yes Spanning tree protocol: Yes Virtual LAN features: IP subnet–based VLAN VLAN support: Yes Copper ethernet cabling technology: 1000BASE-T Internal memory: 256 MB