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Dahua SG4028LP Cloud Managed Gigabit Switch – 24 PoE Ports, 240 W, 2 SFP

Product "Dahua SG4028LP Cloud Managed Gigabit Switch – 24 PoE Ports, 240 W, 2 SFP"

Dahua SG4028LP is a 28-port cloud managed gigabit switch: 24 PoE ports on a 240 W budget, two gigabit uplinks and two SFP slots. Ports 1 and 2 deliver up to 90 W under 802.3bt, enough for a PTZ or a heated housing. Manage it from the web interface or the DoLynk Care app.

Key Advantages and Features:

  • 24 PoE ports and 240 W: all 24 ports deliver PoE to 802.3af/at; ports 1 and 2 also support 802.3bt and Hi-PoE up to 90 W per device. The total budget is 240 W.
  • Cable up to 250 metres: long-distance PoE carries power and data 250 metres. At that distance the link drops to 10 Mbps — enough for a camera on a long cable.
  • Managed from the web or the cloud: a local web interface plus the DoLynk Care app in the cloud. LLDP draws the network topology, so a fault can be located without driving to the site.
  • PoE Watchdog: the switch watches port status and restarts a hung port by itself. A camera that would otherwise need a power cycle on site comes back on its own.
  • The network features are there: VLAN, STP, RSTP and link aggregation. Switching capacity 56 Gbps, packet forwarding 41.66 Mpps.
  • Metal, desk or rack: the sheet metal housing cools passively and runs from −10 °C to +55 °C. 8 kV static and 4 kV surge protection.

Technical Specifications:

ParameterSpecification
Ports24 × RJ-45 10/100/1000 Mbps PoE; 2 × RJ-45 10/100/1000 Mbps uplink; 2 × SFP 1000 Mbps uplink
PoE budget240 W total; ports 1–2 up to 90 W, ports 3–24 up to 30 W
PoE standardsIEEE 802.3af, 802.3at, 802.3bt, Hi-PoE
PoE reachup to 250 m (10 Mbps at that distance)
LayerLayer 2
Switching capacity56 Gbps
Packet forwarding41.66 Mpps
Network featuresVLAN, STP, RSTP, link aggregation, PoE Watchdog, LLDP topology
Managementweb interface and DoLynk Care cloud management
Powerbuilt-in supply, 100–240 VAC, 47–63 Hz, max 4 A
Power consumptionidle up to 8.3 W; full load 265 W
Protectionstatic 8 kV air / 6 kV contact; surge 4 kV common mode, 2 kV differential mode
Operating temperature−10 °C to +55 °C, humidity 5–95%
Housingsheet metal; desktop or rack mount
Dimensions440 × 220 × 44 mm
Weight2.5 kg, 3.15 kg packed

Suited to a site with up to a couple of dozen cameras and no server room — the switch sits on a desk or in a rack. ⚠️ The total PoE budget is 240 W: work it out against your cameras, especially if you use the 90 W ports.

Properties "Dahua SG4028LP Cloud Managed Gigabit Switch – 24 PoE Ports, 240 W, 2 SFP"
PoE: With PoE
Ports: 24
Port speed: Gigabit
Datasheets
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Manufacturer "Dahua"

Dahua Technology – Enabling a Safer Society and Smarter Living

Dahua Technology is a world-leading video-centric AIoT (Artificial Intelligence of Things) solution and service provider. Dedicated to technological innovation, Dahua offers reliable security systems and smart video solutions tailored for residential users, commercial enterprises, and the public sector alike.

Why Choose Dahua?

  • Cutting-Edge Innovation: Dahua invests heavily in Research & Development (R&D) each year, consistently bringing highly accurate AI-driven video surveillance technology to the global market.

  • Comprehensive Security Ecosystem: Their extensive product portfolio includes high-resolution IP and analog cameras, smart video recorders, access control systems, video intercoms, intrusion alarms, and smart home solutions.

  • Proven Global Reliability: Trusted in over 180 countries, Dahua products are renowned for their exceptional build quality, outstanding image clarity, and user-friendly operation.

Through continuous innovation and world-class video technology, Dahua helps create a safer environment and streamlines daily operations for businesses and communities worldwide.

Videovalve is Dahua's official distributor in Estonia. See Dahua's official partner list (dahuasecurity.com)

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