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

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