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

Flash memory: 16 MB | Copper ethernet cabling technology: 100BASE-TX | Cable types supported: Cat3 | Rate limiting: Yes | Rack mounting: Yes | IGMP snooping: Yes | Copper ethernet cabling technology: 10BASE-T | VLAN support: Yes | Copper ethernet cabling technology: 1000BASE-TX | LED indicators: Link | Basic switching RJ-45 Ethernet ports quantity: 24 | Cable types supported: Cat6 | Networking standards: IEEE 802.3 | Networking standards: IEEE 802.3ab | Networking standards: IEEE 802.1p | LED indicators: Power | Web-based management: Yes | Networking standards: IEEE 802.1Q | Networking standards: IEEE 802.3x | Cable types supported: Cat5 | Cable types supported: Cat5e | Surge protection voltage: 15 kV | Authentication type: IEEE 802.1x, TACACS+ | Operating altitude: 0 - 3048 m | Broadcast storm control: Yes | AC input voltage: 110 - 240 V | Store-and-forward: Yes | Networking standards: IEEE 802.3u | Housing material: Metal | Multicast features: Multicast traffic suppression | LED indicators: Activity | Access Control List (ACL): Yes | Power source: AC | Cable types supported: Cat4 | Link aggregation: Yes | Power over Ethernet (PoE) voltage: 48 - 55 V | Package height: 120 mm | Fiber type: Multi-mode | Packet buffer memory: 4 MB | GARP VLAN Registration Protocol (GVRP): Yes | Gigabit Ethernet (copper) ports quantity: 24 | MAC address auto-learning supported: Yes | Width: 285 mm | Networking standards: IEEE 802.3ad | Spanning tree protocol: Yes | Multicast Listener Discovery (MLD) snooping: v1/2/3 | Surge protection: Yes | Switch type: Managed | Non-operating altitude: 0 - 3048 m | LED indicators: System | Virtual LAN features: Voice VLAN | Virtual LAN features: MAC address-based VLAN | Networking standards: IEEE 802.3at | Multicast support: Yes | Networking standards: IEEE 802.3af | Networking standards: IEEE 802.3az | System event log: Yes | Height: 45 mm | Flow control support: Yes | Queue scheduling algorithms: Weighted Round Robin (WRR) | Port mirroring: Yes | Form factor: 1U | Queue scheduling algorithms: Strict Priority Queue (SPQ) | Maximum transfer distance (Multi-mode): 2000 m | Console port: RJ-45 | Wavelength: 1550 nm | 10G support: No | MAC address table: 8000 entries | Internal memory: 128 MB | Product colour: Black | Combo SFP ports quantity: 4 | Operating relative humidity (H-H): 10 - 95% | Management protocols: SSHv1/2, SNMP V1/V2/V3, RMON v1 | Authentication: Port-based authentication | Operating temperature (T-T): -20 - 55 °C | Package width: 350 mm | Switch layer: L2 | DC input voltage: 52 V | Uplink ports quantity: 4 | Maximum transfer distance (Single-mode): 40000 m | Total Power over Ethernet (PoE) budget: 400 W | Depth: 445 mm | Power over Ethernet (PoE) power per port: 30 W | Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000) | Cable length detection: Yes | SSH/SSL support: Yes | IP-MAC-Port binding: Yes | Fanless: Yes | Package depth: 470 mm | Transmission distance (max): 120 km | MAC address auto-aging supported: Yes | Storage temperature (T-T): -40 - 85 °C | Quality of Service (QoS) support: Yes | Number of VLANs: 4096 | Forwarding rate: 41.66 Mpps | PoE+ support: Yes | Switching capacity: 56 Gbit/s