Dahua CS4228-24GT-240 28-Port Cloud Managed Gigabit PoE Switch
28-port cloud-managed desktop gigabit PoE switch with 24 PoE ports and 240 W budget. Has a DIP switch for cloud mode, PoE watchdog and long-distance PoE.
Product Specifications
| Basic | |
|---|---|
| Layer | Layer 2 |
| Switching Capacity | 56 Gbps |
| Packet Forwarding Rate | 41.664 Mpps |
| 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) |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
| Operating Humidity | 10%–90% (RH), non-condensing |
| Storage Temperature | -40 °C to +75 °C (-40 °F to +167 °F) |
| Storage Humidity | 5%–95% (RH), non-condensing |
| Power Supply | Built-in power supply: 100–240 VAC, 47–63 Hz, max 4 A |
| Power Consumption | Idling: 11.8 W; Full load: 253.5 W |
| Statics Protection | Air discharge: 8 kV Contact discharge: 6 kV |
| Lightning Protection | Common mode: 6 kV Differential mode: 1 kV |
| Net Weight | 2.55 kg (5.62 lb) |
| Gross Weight | 3.25 kg (7.17 lb) |
| Product Dimensions | 440 mm × 228.81 mm × 43.65 mm (17.32" × 9.01" × 1.72") (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 |
| Certifications | CE |
| PoE | |
| PoE | Yes |
| PoE Power | Port 5-24≤30 W, port 1-4≤90 W, total≤240 W |
| PoE Protocol | IEEE 802.3af; IEEE 802.3at; Hi-PoE; IEEE 802.3bt |
| PoE Power Consumption Management | PoE power consumption management; PoE power on/off; turns off PoE if overload is detected |
| PoE Pin Assignment | Port 1-2: 1,2,4,5 (V+),3,6,7,8 (V-) Port 3-16: 1,2, (V+), 3,6, (V-) |
| Long Distance PoE Transmission | Yes |
| Hardware | |
| DIP Switch | Managed Mode: On by default for both local web and cloud management. Off for Unmanaged Mode. PoE Watchdog: Monitors ports 1-24 and auto-restarts the PoE port when there is no traffic for 2 min. (Only works when Managed Mode is Off) Extend Mode: Ports 1-24; transmission distance up to 250 meters at 10 Mbps. (Only works when Managed Mode is Off) |
| Reset Button | 1 |
| Performance | |
| MTBF | 967,753 hours |
| Packet Buffer Size | 4 Mbit |
| Jumbo Frame | 15360 Byte |
| MAC Table Size | 8K |
| Communication Standard | IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; IEEE 802.3z; IEEE 802.3az; IEEE 802.3ad |
| VLAN Number | 32 |
| Feature | |
| Ethernet Loop Protection | STP; RSTP |
| VLAN Function | IEEE 802.1Q VLAN |
| Link Aggregation | Static Aggregation |
| Port Feature | IEEE 802.3x Flow Control Unknown Unicast Suppression Multicast Storm Control Broadcast Storm Control MAC+Port Binding Loop Prevention |
| Mirror | Local Port Mirroring N:1 Mirroring |
| Reliability | LLDP |
| DHCP Function | DHCP Client |
| Security | Port Isolation |
| Equipment Management | Web Management Cloud Management Logs Fault Alarm |
| General | |
| Packing List | 1 × User Manual 1 × Legal and Regulatory Information 1 × Power Cord 1 × Rack-mounting Kit |
| Ordering Information | |
| Type | Model |
| SFP module | GSFP-1310T-20-SMF |
| GSFP-1310R-20-SMF | 1.25G 1550/1310nm,20km,LC, Single-mode |
| GSFP-1310-20-SMF | 1.25G 1310nm,20km,LC, Single-mode |
| GSFP-850-MMF | 1.25G 850nm,550m,LC, Multi-mode |
| Switch power supply voltage 54V. CAT6. Max. DC resistance |
|
| Cable(m) | Load Capacity(W) |
| IEEE802.3bt 90 W | |
| 100 | 71.3 |
| 150 | 62 |
| 200 | 51 |
| 250 | 40 |
| Hi-PoE 60 W | |
| 100 | 46 |
| 150 | 42 |
| 200 | 37 |
| 250 | 32 |
| IEEE802.3at 30 W | |
| 100 | 25.5 |
| 150 | 25.5 |
| 200 | 25.5 |
| 250 | 24 |
Product Datasheet
Source: official manufacturer datasheet.
About brand
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