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

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