Dahua CS4220-16GT-190 20-Port Cloud Managed Desktop Gigabit Switch (DH-CS4220-16GT-190)

The Dahua CS4220-16GT-190 is a 20-port cloud-managed desktop Gigabit switch designed for high-performance network environments with 16 PoE ports. Supporting IEEE802.3af/at, Hi-PoE, and IEEE802.3bt standards, it provides intelligent PoE power management for devices such as IP cameras, access points, and VoIP phones. The switch features a fully enclosed metal casing, wide operating temperature range from –10°C to 55°C, and robust surge protection, making it suitable for both office and industrial settings. With flexible uplink options via RJ45 and SFP ports, VLAN, flow control, and long-distance PoE transmission, this switch ensures efficient, stable, and secure network performance.

Product Features

Cloud Management and Web/App Control

Allows centralized monitoring and configuration through web interface or mobile app, providing real-time insights into network performance.

Intelligent PoE

Delivers a total of 190 W across 16 PoE ports, with Ports 1–2 supporting up to 90 W and Ports 3–16 up to 30 W, compatible with IEEE802.3af/at, Hi-PoE, and IEEE802.3bt standards.

Flexible Connectivity

Includes 16 × RJ45 10/100/1000 Mbps PoE ports, 2 × RJ45 10/100/1000 Mbps uplink ports, and 2 × 1 Gbps SFP uplink ports for fiber connections and extended network deployment.

Industrial-Grade Durability

Operates reliably in temperatures from –10°C to 55°C with high humidity tolerance (5–95% RH) and full metal enclosure for dust and environmental protection.

Advanced Networking Features

Supports Layer 2 switching, VLAN segmentation, spanning tree protocol (STP/RSTP), IEEE 802.3x flow control, DHCP client, and MAC address learning with 8K entries for optimized network management.

Reliable Protection

Equipped with static protection (8 kV air discharge, 6 kV contact discharge) and lightning protection (4 kV common mode, 2 kV differential mode) to safeguard connected devices.

Product Specifications

• Model: DH-CS4220-16GT-190
• Ethernet Ports: 16 × RJ45 10/100/1000 Mbps PoE, 2 × RJ45 10/100/1000 Mbps uplink, 2 × SFP 1000 Mbps uplink
• PoE Power: Ports 1–2 ≤ 90 W, Ports 3–16 ≤ 30 W, Total ≤ 190 W
• PoE Protocol: IEEE802.3af / IEEE802.3at / Hi-PoE / IEEE802.3bt
• Switching Capacity: 40 Gbps
• Packet Forwarding Rate: 29.76 Mpps
• Packet Buffer Size: 4 Mbit
• Jumbo Frame: 15K Byte
• MAC Table Size: 8K entries
• VLAN Support: 32 VLANs
• Layer: Layer 2
• Communication Standards: IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3ab, IEEE802.3z
• Spanning Tree Protocol: STP/RSTP
• Operating Temperature: –10 °C to +55 °C
• Storage Temperature: –40 °C to +70 °C
• Operating Humidity: 5%–95% RH, non-condensing
• Power Supply: Built-in 100–240 VDC, 47–63 Hz, max 4 A
• Power Consumption: Idling ≤ 8.3 W; Full Load 212 W
• Static Protection: 8 kV air discharge; 6 kV contact discharge
• Lightning Protection: 4 kV common mode; 2 kV differential mode
• Net Weight: 2.32 kg
• Gross Weight: 2.97 kg
• Product Dimensions: 440 mm × 220 mm × 44 mm
• Packaging Dimensions: 540 mm × 342 mm × 90 mm
• Casing Material: Sheet metal
• Installation: Desktop mount; rack mount