Cudy GS2028PS4 Managed L2 Gigabit Ethernet (10/100/1000) Power over Ethernet (PoE) 1U Black

Uplink ports quantity: 4 | LED indicators: Power | Operating relative humidity (H-H): 10 - 95% | AC input voltage: 100 - 240 V | LED indicators: Link | LED indicators: Activity | Copper ethernet cabling technology: 10BASE-T | Operating altitude: 0 - 3048 m | VLAN support: Yes | Copper ethernet cabling technology: 1000BASE-TX | LED indicators: System | Basic switching RJ-45 Ethernet ports quantity: 24 | Flash memory: 16 MB | Copper ethernet cabling technology: 100BASE-TX | Package height: 120 mm | Web-based management: Yes | Networking standards: IEEE 802.3ad | Housing material: Metal | Networking standards: IEEE 802.3 | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | Form factor: 1U | Networking standards: IEEE 802.3u | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Power over Ethernet (PoE) power per port: 30 W | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Package width: 350 mm | Power source: AC | Networking standards: IEEE 802.3at | Depth: 445 mm | Non-operating altitude: 0 - 3048 m | Operating temperature (T-T): -20 - 55 °C | Total Power over Ethernet (PoE) budget: 300 W | Switching capacity: 56 Gbit/s | Networking standards: IEEE 802.3af | Networking standards: IEEE 802.3az | Surge protection: Yes | Height: 45 mm | Product colour: Black | Storage temperature (T-T): -40 - 85 °C | Quality of Service (QoS) support: Yes | Rack mounting: Yes | 10G support: No | Power over Ethernet (PoE): Yes | Width: 285 mm | Package depth: 470 mm | Wavelength: 1550 nm | Internal memory: 128 MB | Cable types supported: Cat3 | Multicast support: Yes | Virtual LAN features: Voice VLAN | Broadcast storm control: Yes | Surge protection voltage: 15 kV | Switch type: Managed | Spanning tree protocol: Yes | Multicast Listener Discovery (MLD) snooping: v1/2/3 | Flow control support: Yes | Queue scheduling algorithms: Weighted Round Robin (WRR) | Access Control List (ACL): Yes | Switch layer: L2 | IGMP snooping: Yes | Port mirroring: Yes | Rate limiting: Yes | Link aggregation: Yes | MAC address table: 8000 entries | Cable length detection: Yes | SSH/SSL support: Yes | Packet buffer memory: 4 MB | Gigabit Ethernet (copper) ports quantity: 24 | GARP VLAN Registration Protocol (GVRP): Yes | Cable types supported: Cat6 | Store-and-forward: Yes | Authentication: Port-based authentication | Power over Ethernet (PoE) voltage: 55 V | Number of VLANs: 4096 | Combo SFP ports quantity: 4 | Authentication type: IEEE 802.1x, TACACS+ | Queue scheduling algorithms: Strict Priority Queue (SPQ) | MAC address auto-aging supported: Yes | MAC address auto-learning supported: Yes | Fiber type: Multi-mode | Multicast features: Multicast traffic suppression | Management protocols: SSHv1/2, SNMP V1/V2/V3, RMON v1 | Transmission distance (max): 120 km | Virtual LAN features: MAC address-based VLAN | Console port: RJ-45 | DC input voltage: 52 V | Forwarding rate: 41.66 Mpps | System event log: Yes | Cable types supported: Cat5 | Cable types supported: Cat5e | Cable types supported: Cat4 | IP-MAC-Port binding: Yes | Fanless: Yes | Maximum transfer distance (Single-mode): 120000 m | Maximum transfer distance (Multi-mode): 2000 m