Dahua 28-Port CS4228-24GT-375 Cloud Managed Desktop Gigabit Switch with 24-Port PoE

Key Features

• Meets IEEE802.3 / IEEE802.3u / IEEE802.3x / IEEE802.3ab / IEEE802.3z standards

• Supports IEEE802.3af, IEEE802.3at, Hi-PoE, IEEE802.3bt

• Intelligent PoE with power consumption management and PoE on/off

• Full metal enclosure, fully enclosed, dust-proof

• Wide operating temperature range

• Datasheet

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Basic Specifications

• Switching Capacity: 56 Gbps

• Packet Forwarding Rate: 41.66 Mpps

• Function Slots:

  • Port 1–24: 24 × RJ-45 10/100/1000 Mbps (PoE)

  • Port 25–26: 2 × RJ-45 10/100/1000 Mbps (uplink)

  • Port 27–28: 2 × SFP 1000 Mbps uplink

• PoE Power:

  • Port 1–2 ≤ 90 W

  • Port 3–24 ≤ 30 W

  • Total ≤ 375 W

• Layer: Layer 2

• Operating Temperature: –10 °C to +55 °C

• Operating Humidity: 5%–95% RH

• Power Supply: Built-in 100–240 VAC, 47–63 Hz, max 7 A

• Power Consumption: ≤12.5 W idle; 400 W full load

• ESD Protection: Air 8 kV; Contact 6 kV

• Lightning Protection: Common mode 4 kV; Differential mode 2 kV

• Net Weight: 2.66 kg

• Dimensions: 440 × 220 × 44 mm

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Hardware

• PoE: Yes

• Ethernet Ports: 24

• Reset Button: 1

• Storage Temperature: –40 °C to +70 °C

• Storage Humidity: 5%–95% RH

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Performance

• MTBF: 67.80 years

• Packet Buffer: 4 Mbit

• Jumbo Frame: 15 KB

• MAC Table: 8K

• VLANs: 32

• Standards: IEEE802.3 / 802.3u / 802.3x / 802.3ab / 802.3z

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PoE Features

• Protocols: IEEE802.3af / 802.3at / Hi-PoE / IEEE802.3bt

• Power Management: Supported

• Pin Assignment: 1,2,4,5 (V+), 3,6,7,8 (V–)

• Long-Distance PoE: Supported

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Networking & Functions

• Loop Protection: STP / RSTP

• VLAN: Port-based VLAN

• Flow Control: IEEE 802.3x

• DHCP: DHCP Client

• Management: Web management; App management

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General

• Gross Weight: 3.26 kg

• Packaging Size: 540 × 342 × 90 mm

• Casing: Sheet metal

• Installation: Desktop or rack mount

• Certifications: CE

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Packing List

• Quick Start Guide × 1

• Legal & Regulatory Information × 1

• Power Cord × 1

• Rack-mount Kit × 1