CS4220-16GT-240-V2 - is a cloud-managed Gigabit PoE switch designed for professional networks, IP video surveillance systems and high-performance enterprise infrastructures. Equipped with 16 Gigabit PoE ports , 2 Gigabit RJ45 uplink ports and 2 Gigabit SFP ports , it offers a total PoE power of up to 240W with IEEE 802.3bt support up to 90W on dedicated ports for high-power devices. Intelligent management via DoLynk Care Cloud allows remote monitoring, quick configuration and real-time network control. Thanks to PoE Watchdog , Long Distance PoE up to 250 meters , VLAN , STP/RSTP and Link Aggregation technologies, it guarantees maximum stability, security and business continuity even in complex industrial and commercial environments. Dahua
CS4220-16GT-240-V2 | 20-Port Cloud-Managed Network Switch with 16 PoE Ports - Version 2 - Dahua

The Dahua CS4220-16GT-240-V2 is a cloud-managed Gigabit PoE switch designed for professional networks, CCTV systems and high-performance business infrastructures. Thanks to 16 RJ45 Gigabit PoE ports , 2 Gigabit uplink ports and 2 Gigabit SFP ports , it guarantees stable connectivity and high-speed data transmission. It supports a total PoE power of up to 240W with IEEE 802.3bt technology up to 90W on dedicated ports to power high-power consumption devices. Intelligent management via DoLynk Care Cloud , combined with PoE Watchdog , Long Distance PoE up to 250 meters , VLAN , STP/RSTP and Link Aggregation functions, ensures maximum reliability, security and business continuity even in complex industrial environments.
Main specifications:
- 16 RJ45 Gigabit PoE ports
- 2 Gigabit RJ45 uplink ports + 2 Gigabit SFP ports
- Total PoE power up to 240W
- Cloud and Web Management via DoLynk Care
- PoE Watchdog with automatic port reboot
- Long Distance PoE transmission up to 250 meters
- Supports VLAN, STP, RSTP and Link Aggregation
- Switching capacity up to 40 Gbps
- Surge protection up to 6 kV
- Desktop or rack mount installation
Further details
With a switching capacity of up to 40 Gbps , forwarding rate of 29.76 Mpps , Jumbo Frame support up to 15360 Bytes and 8K MAC table , the switch ensures high performance for high-traffic networks, advanced CCTV systems and professional business applications.
Technical data sheet
| PRODUCT | CS4220-16GT-240-V2 |
| Basic | |
| Layer | Layer 2 |
| Switching Capacity | 40 Gbps |
| Packet Forwarding Rate | 29.76 Mpps |
| Description of Function Slots | Port 1-16: 16 × RJ-45 10/100/1000 Mbps (PoE) Port 17-18: 2 × RJ-45 10/100/1000 Mbps (uplink) Port 19-20: 2 × SFP 1000Mbps (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 |
| Lighting Protection | Common mode: 6 kV Differential mode: 1 kV |
| Net Weight | 2.5 kg (5.51 lb) |
| Gross Weight | 3.2 kg (7.05 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; wall mount |
| Certifications | THERE IS |
| PoE | |
| PoE | Yes |
| PoE Power | Port 3-16≤30W, port 1-2≤90W, total≤240W |
| 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 1-16 and auto-restarts the PoE port when there is no traffic for 2 min. (Only works when Managed Mode is Off) Extend Mode: Ports 1-16; transmission distance up to 250 meters at 10 Mbps. (Only works when Managed Mode is Off) |
| Reset Button | 1 |
| Performance | |
| MTBF | 1,092,753 hours |
| Packet Buffer Size | 4 Mbit |
| Jumbo Frame | 15360 Bytes |
| MAC Table Size | 8K |
| Communication Standard | IEEE 802.3; IEEE 802.3u; IEEE 802.3x; IEEE 802.3ab; 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 × Quick Start Guide 1 × Legal and Regulatory Information 1 × Power Cord 1 × Power Adapter |


