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

Certification: RoHS | Warnings: Avoid contact of the device with liquid. | Warnings: Make sure the ventilation of the equipment is not blocked. | Warnings: Follow the safety guidelines for electrical current. | Mean time between failures (MTBF): 502509 h | Password protection: Yes | Weight: 4.1 kg | Switching capacity: 100 Gbit/s | Authentication: Guest VLAN, Port-based authentication | Rack mount kit: Yes | Package height: 107 mm | VLAN support: Yes | Harmonized System (HS) code: 85176990 | Storage temperature (T-T): -40 - 70 °C | Basic switching RJ-45 Ethernet ports quantity: 44 | Height: 44 mm | Package weight: 5.25 kg | Safety: LVD, BSMI | Rate limiting: Yes | Combo SFP ports quantity: 4 | Cables included: AC | Fiber optic connector: SFP | SFP module slots quantity: 2 | IGMP snooping: Yes | Networking standards: IEEE 802.1x | Storage relative humidity (H-H): 10 - 95% | Networking standards: IEEE 802.3u | Security algorithms: SNMPv3 | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Package width: 616 mm | Networking standards: IEEE 802.1w | Power over Ethernet (PoE) ports quantity: 48 | DHCP features: DHCPv6 relay | Spanning tree protocol: Yes | Package depth: 355 mm | Flash memory: 32 MB | Copper ethernet cabling technology: 1000BASE-T | System event log: Yes | Networking standards: IEEE 802.1ab | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | MAC address filtering: Yes | Security algorithms: 802.1x RADIUS | DHCP features: DHCP snooping | Product colour: Black | Virtual LAN features: Port-based VLAN | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Power consumption (max): 474.3 W | Flow control support: Yes | Fiber ethernet cabling technology: 1000BASE-X | Noise level: 26.5 dB | Virtual LAN features: MAC address-based VLAN | Copper ethernet cabling technology: 100BASE-TX | Access Control List (ACL): Yes | Authentication type: IEEE 802.1x, RADIUS | Virtual LAN features: Private VLAN | AC input frequency: 50 - 60 Hz | Heat dissipation: 1617.36 BTU/h | Total Power over Ethernet (PoE) budget: 375 W | Quality of Service (QoS) support: Yes | Multicast support: Yes | Rack mounting: No | MAC address table: 16000 entries | Operating relative humidity (H-H): 10 - 95% | Packet buffer memory: 1.5 MB | Queue scheduling algorithms: WFQ | Virtual LAN features: IP subnet–based VLAN | Power over Ethernet (PoE): Yes | Width: 441 mm | ARP inspection: Yes | Forwarding rate: 74 Mpps | Switch type: Managed | Operating temperature (T-T): 0 - 50 °C | AC input voltage: 100 - 240 V | 10G support: No | Depth: 270 mm | Virtual LAN features: Voice VLAN | Queue scheduling algorithms: SPQ | Queue scheduling algorithms: Weighted Round Robin (WRR) | Networking standards: IEEE 802.3ad | Networking standards: IEEE 802.1s | Security algorithms: SNMP | DHCP features: DHCP client | DHCP features: DHCP relay | Networking standards: IEEE 802.1D | Networking standards: IEEE 802.3z | Internal memory: 256 MB | Virtual LAN features: Protocol-based VLAN | CPU defense: Yes | IP-MAC-Port binding: Yes | Electromagnetic compatibility: FCC 15 A, CE A, BSMI EMC