Description
Technical Specifications
| DHCP Function | DHCP Client |
|---|---|
| Equipment Management | Web management; App management |
| Included Power Adapter | Yes |
| PoE | Yes |
| Ethernet Port | 24 |
| Ethernet Port Speed | 10/100/1000 Mbps |
| Optical Port Speed | 1000 Mbps |
| Ethernet Port Uplink Speed | 10/100/1000 Mbps |
| Optical Port Uplink Speed | 1 Gbps |
| Description of 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) |
| Reset Button | 1 |
| Power Supply | Built-in power supply: 100-240 VDC, 47-63 Hz, max 7 A |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
| Operating Humidity | 5%–95% (RH), non-condensing |
| Storage Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Storage Humidity | 5%–95% (RH), non-condensing |
| Power Consumption | Idling: ≤12.5 W ; Full load: 400 W |
| Statics Protection | Air discharge: 8 kV; Contact discharge: 6 kV |
| Lighting Protection | Common mode: 4 kV; Differential mode: 2 kV |
| Net Weight | 2.66 kg (5.85 lb) |
| Gross Weight | 3.26 kg (7.17 lb) |
| Product Dimensions | 440 mm × 220 mm × 44 mm (17.32″ × 8.66″ × 1.73″) (L × W × H) |
| Packaging Dimensions | 540 mm × 342 mm × 90 mm (21.26″ × 13.46″ × 3.54″) (L × W × H) |
| Casing Material | Sheet metal |
| Installation | Desktop mount; rack mount |
| Type | Part Number |
| PoE Switch | DH-CS4228-24GT-375 |
| Layer | Layer 2 |
| Management Type | Yes |
| Smart Managed Switch | Yes |
| MTBF | 67.80 years |
| Switching Capacity | 56 Gbps |
| Packet Forwarding Rate | 41.66 Mpps |
| Packet Buffer Size | 4 Mbit |
| Jumbo Frame | 15K Byte |
| MAC Table Size | 8K |
| VLAN Number | 32 |
| Communication Standard | IEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab; IEEE802.3z |
| PoE Protocol | IEEE802.3af; IEEE802.3at; Hi-PoE; IEEE802.3bt |
| PoE Power | Port 1-2 ≤ 90 W, Port 3-24 ≤ 30 W, total ≤ 375 W |
| PoE Power Consumption Management |
Yes |
| PoE Pin Assignment | 1,2,4,5（V+）,3,6,7,8（V-） |
| Long Distance PoE Transmission |
Yes |
| Spanning Tree Protocol | STP/RSTP |
| VLAN Function | Port-based VLAN |
| IEEE 802.3x Flow Control | Yes |
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