Zyxel XGS2220-30HP Managed L3 Gigabit Ethernet (10/100/1000) Power over Ethernet (PoE) Black

Switch layer: L3 | Installed SFP+ modules quantity: 4 | Package height: 95 mm | DHCP features: DHCP relay | Package weight: 5.77 kg | Networking standards: IEEE 802.3z | Networking standards: IEEE 802.3ae | Rack mounting: Yes | Security algorithms: SNMP | Depth: 330 mm | Multicast support: Yes | IGMP snooping: Yes | Power over Ethernet (PoE): Yes | Width: 441 mm | Height: 44 mm | DHCP features: DHCP server | AC input frequency: 50 - 60 Hz | Operating relative humidity (H-H): 10 - 95% | Power supply included: Yes | Power over Ethernet (PoE) ports quantity: 26 | Networking standards: IEEE 802.1ab | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Networking standards: IEEE 802.3at | Security algorithms: SNMPv2 | Web-based management: Yes | Networking standards: IEEE 802.1x | Networking standards: IEEE 802.3bt | Packet buffer memory: 2 MB | MAC address table: 32000 entries | Storage temperature (T-T): -40 - 70 °C | Quality of Service (QoS) support: Yes | Total Power over Ethernet (PoE) budget: 400 W | Networking standards: IEEE 802.3an | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Product colour: Black | Networking standards: IEEE 802.3af | Networking standards: IEEE 802.3az | Operating temperature (T-T): -20 - 50 °C | 10G support: Yes | Weight: 4.35 kg | Package depth: 503 mm | Internal memory: 1024 MB | Routing entries: 64 | LED indicators: Yes | AC input voltage: 100 - 240 V | Power source: AC | Switch type: Managed | Mean time between failures (MTBF): 268.305 h | Basic switching RJ-45 Ethernet ports quantity: 24 | Heat dissipation: 1626.57 BTU/h | Flash memory: 64 MB | Package width: 580 mm | Security algorithms: SNMPv3 | Storage relative humidity (H-H): 10 - 90% | Switching capacity: 168 Gbit/s | Power consumption (max): 477 W | Jumbo frames support: Yes | Compliance certificates: RoHS | Compliance certificates: CE | Compliance certificates: Low Voltage Directive (LVD) | Compliance certificates: Federal Communications Commission (FCC) | Warnings: Follow the safety guidelines for electrical current. | Warnings: Make sure the ventilation of the equipment is not blocked. | Warnings: Avoid contact of the device with liquid. | 10G Ethernet (copper) ports quantity: 2 | Forwarding rate: 125 Mpps | Static route: Yes | Authentication type: IEEE 802.1x, RADIUS, TACACS+ | IGMP proxy: Yes | ARP inspection: Yes | BPDU filtering/protection: Yes | GARP VLAN Registration Protocol (GVRP): Yes | Cloud-managed: Yes | Multicast Listener Discovery (MLD) snooping: MLD v1/v2