Dahua Technology S4220-16GT-190 20-Port Managed Desktop Gigabit Switch with 16-Port PoE
Technical Specification
- Make: Dahua Technology
- Model code: S4220-16GT-190
- Switcher Type: IP
- POE: Yes
- Video inputs / ports: 20
Layer 2 network management PoE switch. Supports web, and network management software based on SNMP. Network redundancy: STP/RSTP. Supports PoE power consumption management, PoE power off management. Supports IEEE802.3af, IEEE802.3at. Port 1 and port 2 support IEEE802.3bt, and are compatible with Hi-PoE. Supports PoE watchdog. Supports 250 m long-distance transmission mode.
Read more| Make | Dahua Technology |
|---|---|
| Manufacturer | Dahua Technology USA Inc. |
| Category | Video Surveillance>Switchers & Switches |
| Model code | S4220-16GT-190 |
| Switcher Type | IP |
| POE | Yes |
| Video inputs / ports | 20 |
| Physical Specifications |
Dimensions mm: 440 x 300 x 44 Weight g: 3405 g |
| Electrical Specifications |
Voltage: 100 ~ 240 V AC Power Consumption: Full load: 190 W |
| Environmental Specifications |
Operating Temperature oC: -10 ~ +55 C (14 ~ 131 F) Operating Humidity %: 5 ~ 95 |
Product description
Product Overview
The Dahua Technology DH-S4220-16GT-190 is a 20-Port Managed Desktop Gigabit Switch, catering to the dynamic needs of the physical security industry. Featuring 16 PoE-enabled ports, this all-gigabit PoE switch supports efficient Layer 2 network management and is compatible with SNMP-based web and network management software. Engineered for optimal performance, this switch ensures low transmission delays and high reliability even under demanding conditions.
Key Features
- Comprehensive PoE Support: Ports 1 and 2 support IEEE802.3bt and Hi-PoE, delivering a maximum output of 90W per port, ideal for high-power devices.
- Effective Heat Dissipation: The all-metal construction facilitates excellent heat management, ensuring reliable operation between –10°C to +55°C.
- Enhanced Transmission: Equipped with a robust switching engine, it handles Ultra HD video streaming with reduced latency, thanks to large buffer memory.
- Intelligent Power Management: Real-time power consumption control prevents operational issues due to power fluctuations and prioritises crucial ports.
- Durability Against Elements: The switch is protected against overvoltage, EMC, and overcurrent, resisting interference from static, lightning, and voltage surges.
Ideal Use Cases
The DH-S4220-16GT-190 switch is perfect for environments requiring high reliability, such as security surveillance systems that demand seamless, high-definition video streaming. Its long-distance transmission capabilities make it suitable for expansive installations, providing robust video delivery and effective power distribution in harsh environments.

