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