Zyxel GS1920-24V2 Managed Gigabit Ethernet (10/100/1000) Black

Certification: RoHS | Width: 441 mm | LED indicators: Yes | Access Control List (ACL): Yes | CPU defense: Yes | Height: 44 mm | Heat dissipation: 76.73 BTU/h | Switch type: Managed | Rack mounting: Yes | Virtual LAN features: Protocol-based VLAN | Rate limiting: Yes | Combo SFP ports quantity: 4 | Safety: LVD, BSMI | Package weight: 2.91 kg | Cables included: AC | Mean time between failures (MTBF): 911301 h | Power over Ethernet (PoE): No | AC input voltage: 100 - 240 V | System event log: Yes | ARP inspection: Yes | DHCP features: DHCP client | DHCP features: DHCP relay | DHCP features: DHCP snooping | IGMP snooping: Yes | IP-MAC-Port binding: Yes | MAC address table: 16000 entries | Multicast support: Yes | Virtual LAN features: Voice VLAN | Virtual LAN features: Private VLAN | Depth: 131 mm | Internal memory: 256 MB | 10G support: No | DHCP features: DHCPv6 relay | Package depth: 214 mm | Harmonized System (HS) code: 85176990 | Fiber optic connector: SFP | Operating temperature (T-T): 0 - 50 °C | Spanning tree protocol: Yes | Virtual LAN features: MAC address-based VLAN | Virtual LAN features: Port-based VLAN | Virtual LAN features: IP subnet–based VLAN | Package width: 558 mm | Packet buffer memory: 1.5 MB | Power consumption (max): 22.5 W | Weight: 2.1 kg | Fiber ethernet cabling technology: 1000BASE-X | Forwarding rate: 42 Mpps | Switching capacity: 56 Gbit/s | Electromagnetic compatibility: FCC 15 A, CE A, BSMI EMC | Operating relative humidity (H-H): 10 - 95% | AC input frequency: 50 - 60 Hz | Authentication type: IEEE 802.1x, RADIUS | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Flash memory: 32 MB | Copper ethernet cabling technology: 1000BASE-T | VLAN support: Yes | Networking standards: IEEE 802.3ad | Storage temperature (T-T): -40 - 70 °C | Quality of Service (QoS) support: Yes | Networking standards: IEEE 802.1x | Queue scheduling algorithms: WFQ | Product colour: Black | Networking standards: IEEE 802.3u | Security algorithms: SNMPv3 | Networking standards: IEEE 802.1w | Networking standards: IEEE 802.1ab | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Authentication: Guest VLAN, Port-based authentication | Rack mount kit: Yes | Storage relative humidity (H-H): 10 - 95% | Networking standards: IEEE 802.1D | Networking standards: IEEE 802.3z | MAC address filtering: Yes | Security algorithms: 802.1x RADIUS | Networking standards: IEEE 802.1s | Security algorithms: SNMP | Basic switching RJ-45 Ethernet ports quantity: 24 | Flow control support: Yes | Queue scheduling algorithms: SPQ | Queue scheduling algorithms: Weighted Round Robin (WRR) | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Password protection: Yes | Package height: 79 mm | Copper ethernet cabling technology: 100BASE-TX