Dahua CS4228-24GT-375 Switch gerido PoE Gigabit de 24 portas, 2x Gigabit RJ45 + 2x uplinks SFP, orçamento PoE de 375 W, Layer 2

The Dahua CS4228-24GT-375 is a Layer 2 managed switch with 24 Gigabit PoE RJ-45 ports, 2 Gigabit RJ-45 uplink ports and 2 Gigabit SFP uplink ports. It provides a total PoE budget of up to 375 W and supports IEEE 802.3af/at on all PoE ports and 802.3bt on a designated red port.

Key features

• 24 × RJ-45 10/100/1000 Mbps PoE ports
• 2 × RJ-45 Gigabit uplink ports
• 2 × SFP Gigabit uplink ports
• PoE budget up to 375 W
• IEEE 802.3af/at on all PoE ports, 802.3bt on a designated red port
• VLAN, STP, RSTP and link aggregation support
• Web and cloud management (DoLynk app) with real-time monitoring
• Automatic network detection and configuration

Specifications

• Brand: Dahua
• MPN: CS4228-24GT-375
• Layer: Layer 2
• Switching capacity: 56 Gbps
• Packet forwarding rate: 41.66 Mpps
• Ports: 1–24: 24 × RJ-45 10/100/1000 Mbps (PoE); 25–26: 2 × RJ-45 (uplink); 27–28: 2 × SFP (uplink)
• Operating temperature: –10 °C to +55 °C
• Operating humidity: 5%–95% (non-condensing)
• Storage temperature: –40 °C to +70 °C
• Storage humidity: 5%–95% (non-condensing)
• Power supply: built-in 100–240 V AC, 47–63 Hz, max. 7 A
• Power consumption: idle ≤12.5 W; full load 400 W
• Fans: 2
• Airflow direction: left to right
• ESD protection: air discharge 8 kV; contact discharge 6 kV
• Surge protection: common mode 4 kV; differential mode 2 kV
• Net weight: 2.66 kg
• Device dimensions: 440 × 220 × 44 mm
• Housing material: metal (sheet)
• Mounting: desktop or rack
• PoE support: yes
• PoE power: ports 1–2 ≤90 W; ports 3–24 ≤30 W; total ≤375 W
• PoE standards: IEEE 802.3af, 802.3at, Hi-PoE, 802.3bt
• PoE management: consumption control, PoE on/off, overload protection
• PoE pin assignment: 1,2,4,5 (V+); 3,6,7,8 (V-)
• Long-distance PoE: yes
• PoE watchdog: yes
• Switch type: fixed (non-modular)
• Number of Ethernet ports: 24
• Reset button: 1
• IP camera support: up to 24 channels 4 MP
• MTBF: 67.8 years
• Packet buffer: 4 Mbit
• Jumbo frame: 15 KB
• MAC table: 8K
• Static MAC addresses: 16
• Flash memory: 16 MB
• RAM: 256 KB
• Communication standards: IEEE 802.3, 802.3u, 802.3x, 802.3ab, 802.3az, 802.3z, 802.3ad
• Number of VLANs: 32
• Traffic limit granularity: 1 Mbps
• LLDP: yes
• Loop protection: STP/RSTP
• VLAN: IEEE 802.1Q
• Link aggregation: static
• Port functions: flow control, unicast limiting, storm control (multicast/broadcast), MAC+port binding, loop prevention
• Mirroring: N:1, local port mirroring
• Reliability: LLDP
• DHCP: DHCP client
• Security: port isolation
• Management: web, cloud, logs, error alarms