Zyxel GS2220-28HP-EU0101F network switch Managed L2 Gigabit Ethernet (10/100/1000) Power over Ethernet (PoE) Black

Certification: LVD, BSMI FCC 15 A, CE EMC A, BSMI ENC RoHS A | Power over Ethernet (PoE): Yes | Width: 441 mm | Networking standards: IEEE 802.3at | Security algorithms: SNMPv2 | Networking standards: IEEE 802.1x | Storage relative humidity (H-H): 10 - 95% | Networking standards: IEEE 802.1w | Security algorithms: SSH-2 | Networking standards: IEEE 802.1ab | Security algorithms: SSL/TLS | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Cables included: AC | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Web-based management: Yes | MAC address filtering: Yes | Package weight: 4.97 kg | Storage temperature (T-T): -40 - 70 °C | Quality of Service (QoS) support: Yes | Package width: 616 mm | Operating temperature (T-T): 0 - 50 °C | Networking standards: IEEE 802.3u | Security algorithms: SNMPv3 | Networking standards: IEEE 802.1D | Networking standards: IEEE 802.3z | Networking standards: IEEE 802.3ad | Networking standards: IEEE 802.1s | Security algorithms: SNMP | AC input voltage: 100 - 240 V | Package depth: 355 mm | Product colour: Black | Power consumption (max): 463.5 W | Weight: 3.8 kg | Package height: 107 mm | Firmware upgradeable: Yes | Networking standards: IEEE 802.3af | Networking standards: IEEE 802.3az | Noise level: 49.8 dB | Operating relative humidity (H-H): 10 - 95% | AC input frequency: 50 - 60 Hz | 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. | DHCP features: DHCP snooping | Switch layer: L2 | Spanning tree protocol: Yes | Broadcast storm control: Yes | Link aggregation: Yes | DHCP features: DHCPv6 relay | System event log: Yes | Total Power over Ethernet (PoE) budget: 375 W | Harmonized System (HS) code: 85176990 | Rate limiting: Yes | Combo SFP ports quantity: 4 | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | IGMP snooping: Yes | DHCP features: DHCPv6 client | 10G support: No | Authentication: Guest VLAN, MAC-based authentication | Packet buffer memory: 1.5 MB | Flow control support: Yes | DHCP features: DHCP client | DHCP features: DHCP relay | Depth: 270 mm | Copper ethernet cabling technology: 10BASE-TX | Height: 44 mm | VLAN support: Yes | MAC address table: 16000 entries | Basic switching RJ-45 Ethernet ports quantity: 24 | Internal memory: 256 MB | Multicast support: Yes | Access Control List (ACL): Yes | Switch type: Managed | Rack mounting: Yes | Flash memory: 32 MB | Copper ethernet cabling technology: 1000BASE-T | Mean time between failures (MTBF): 693245 h | Heat dissipation: 1580.535 BTU/h | Switching capacity: 56 Gbit/s | Power over Ethernet (PoE) ports quantity: 24 | Configuring Location Settings (CLI): Yes | Virtual LAN features: Protocol-based VLAN | Virtual LAN features: Private VLAN | Virtual LAN features: Port-based VLAN | Virtual LAN features: Voice VLAN | Authentication type: IEEE 802.1x, RADIUS | Forwarding rate: 42 Mpps