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

Certification: RoHS | Switching capacity: 100 Gbit/s | Power consumption (max): 36.9 W | Depth: 220 mm | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Networking standards: IEEE 802.1w | Package weight: 3.97 kg | Networking standards: IEEE 802.1x | Storage relative humidity (H-H): 10 - 95% | Networking standards: IEEE 802.1ab | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Weight: 2.8 kg | MAC address filtering: Yes | Security algorithms: 802.1x RADIUS | AC input frequency: 50 - 60 Hz | Height: 44.5 mm | SFP module slots quantity: 2 | Safety: LVD, BSMI | Cables included: AC | Packet buffer memory: 1.5 MB | Operating relative humidity (H-H): 10 - 95% | Networking standards: IEEE 802.3u | Security algorithms: SNMPv3 | Product colour: Black | Operating temperature (T-T): 0 - 50 °C | Networking standards: IEEE 802.1D | Networking standards: IEEE 802.3z | Networking standards: IEEE 802.3ad | Networking standards: IEEE 802.1s | Security algorithms: SNMP | MAC address table: 16000 entries | 10G support: No | Internal memory: 256 MB | Package depth: 289 mm | Storage temperature (T-T): -40 - 70 °C | Quality of Service (QoS) support: Yes | Package width: 496 mm | Fiber optic connector: SFP | Harmonized System (HS) code: 85176990 | Power over Ethernet (PoE): No | Width: 440 mm | Rack mounting: Yes | Noise level: 26 dB | Password protection: Yes | Package height: 90 mm | Flash memory: 32 MB | Copper ethernet cabling technology: 1000BASE-T | AC input voltage: 100 - 240 V | Copper ethernet cabling technology: 100BASE-TX | VLAN support: Yes | LED indicators: Yes | Mean time between failures (MTBF): 672235 h | Warnings: Make sure the ventilation of the equipment is not blocked. | Basic switching RJ-45 Ethernet ports quantity: 44 | Warnings: Avoid contact of the device with liquid. | Warnings: Follow the safety guidelines for electrical current. | Multicast support: Yes | IGMP snooping: Yes | Heat dissipation: 125.83 BTU/h | Electromagnetic compatibility: FCC 15 A, CE A, BSMI EMC | DHCP features: DHCPv6 relay | DHCP features: DHCP snooping | DHCP features: DHCP client | DHCP features: DHCP relay | Switch type: Managed | Authentication type: IEEE 802.1x, RADIUS | Access Control List (ACL): Yes | Virtual LAN features: Voice VLAN | ARP inspection: Yes | Virtual LAN features: Port-based VLAN | Virtual LAN features: IP subnet–based VLAN | System event log: Yes | Virtual LAN features: MAC address-based VLAN | Spanning tree protocol: Yes | Virtual LAN features: Private VLAN | Virtual LAN features: Protocol-based VLAN | IP-MAC-Port binding: Yes | Forwarding rate: 74 Mpps | Queue scheduling algorithms: WFQ | Flow control support: Yes | Queue scheduling algorithms: SPQ | Queue scheduling algorithms: Weighted Round Robin (WRR) | Fiber ethernet cabling technology: 1000BASE-X | Authentication: Guest VLAN, Port-based authentication | Rack mount kit: Yes | CPU defense: Yes | Rate limiting: Yes | Combo SFP ports quantity: 4