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

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