TP-Link 28-Port Gigabit Easy Smart Switch with 24-Port PoE+

Certification: CE, FCC, RoHS | Power over Ethernet (PoE): Yes | Product colour: Black | Storage temperature (T-T): -40 - 70 °C | Operating temperature (T-T): 0 - 50 °C | Package weight: 3.94 kg | AC input voltage: 100 - 240 V | AC input frequency: 50 - 60 Hz | Operating relative humidity (H-H): 10 - 90% | Networking standards: IEEE 802.3 | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Security algorithms: SNMP | Web-based management: Yes | Networking standards: IEEE 802.3at | Security algorithms: SNMPv2 | Networking standards: IEEE 802.3u | Security algorithms: SNMPv3 | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Networking standards: IEEE 802.3af | Power source: AC | Depth: 220 mm | SFP module slots quantity: 2 | Switching capacity: 56 Gbit/s | Power consumption (max): 1039.03 W | Total Power over Ethernet (PoE) budget: 250 W | Power over Ethernet (PoE) power per port: 30 W | Number of fans: 2 fan(s) | Rack mounting: Yes | Width: 440 mm | Height: 44 mm | Auto MDI/MDI-X: Yes | Harmonized System (HS) code: 85176990 | Jumbo frames support: Yes | Package width: 336 mm | Cables included: AC | Storage relative humidity (H-H): 5 - 90% | Quality of Service (QoS) support: Yes | Form factor: 1U | User guide: Yes | Package depth: 528 mm | Power supply included: Yes | Basic switching RJ-45 Ethernet ports quantity: 26 | Copper ethernet cabling technology: 10BASE-T | Copper ethernet cabling technology: 1000BASE-T | Copper ethernet cabling technology: 100BASE-TX | VLAN support: Yes | Package height: 100 mm | Gigabit Ethernet (copper) ports quantity: 26 | Jumbo frames: 10000 | Switch layer: L2 | Rack mount kit: Yes | Flow control support: Yes | Store-and-forward: Yes | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Broadcast storm control: Yes | Number of VLANs: 32 | Link aggregation: Yes | Cable types supported: Cat5 | Cable types supported: Cat5e | Virtual LAN features: Tagged VLAN | Fiber ethernet cabling technology: 1000BASE-X | Power over Ethernet plus (PoE+) ports quantity: 24 | Cable types supported: Cat6 | Forwarding rate: 41.7 Mpps | Multicast support: Yes | 10G support: No | IGMP snooping: Yes | Cable types supported: Cat4 | Rate limiting: Yes | Cable types supported: Cat3 | Virtual LAN features: Port-based VLAN | MAC address table: 8000 entries | Auto-negotiation: Yes | Packet buffer memory: 4.1 MB | Port mirroring: Yes | Switch type: Managed | Number of queues: 4 | Warnings: Do not open the case or try to repair it yourself.