Dahua CS4220-16GT-190 20-Port Cloud Managed Gigabit PoE Ethernet Switch

The Dahua CS4220-16GT-190 20-Port Cloud Managed Gigabit PoE Ethernet Switch is a high-performance Layer 2 managed networking solution designed for IP surveillance systems, enterprise networks, offices, schools, hotels, warehouses, and commercial installations. Featuring 16 Gigabit PoE ports, 2 Gigabit RJ45 uplink ports, and 2 Gigabit SFP uplink ports, this switch delivers high-speed connectivity and reliable power for IP cameras, wireless access points, VoIP phones, and other PoE-enabled devices. With support for IEEE 802.3af, IEEE 802.3at, Hi-PoE, and IEEE 802.3bt standards, a total PoE power budget of 190W, intelligent PoE management, cloud management via Dahua DoLynk Care, Long Distance PoE transmission up to 250 metres, and advanced Layer 2 networking features, the CS4220-16GT-190 is an ideal solution for professional security and business networking applications.

Product Features

20-Port Cloud Managed Gigabit Switch

The switch includes 16 Gigabit PoE ports, 2 Gigabit RJ45 uplink ports, and 2 Gigabit SFP uplink ports, providing flexible connectivity for surveillance systems and enterprise networks.

IEEE 802.3af/at, Hi-PoE and IEEE 802.3bt Support

The switch supports IEEE 802.3af, IEEE 802.3at, Hi-PoE, and IEEE 802.3bt standards. Ports 1 and 2 deliver up to 90W each, while Ports 3–16 provide up to 30W each. The total PoE power budget is 190W.

Cloud Management with Dahua DoLynk Care

Monitor, configure, and manage the switch remotely using the Dahua DoLynk Care cloud platform or web interface. The platform provides centralized device management, fault alarms, and remote maintenance.

Long Distance PoE Transmission

Extend Mode enables PoE transmission of up to 250 metres at 10 Mbps, making the switch suitable for large compounds, warehouses, parking areas, and long-distance IP camera installations.

Intelligent PoE Management

The switch intelligently manages PoE power allocation, supports automatic PoE restart (PoE Watchdog), overload protection, and remote PoE power control to improve network reliability.

Advanced Layer 2 Network Management

Support for IEEE 802.1Q VLAN, STP, RSTP, static link aggregation, LLDP, DHCP Client, port isolation, storm control, loop prevention, MAC and port binding, and port mirroring provides enhanced network security and stability.

High-Speed Gigabit Connectivity

All network ports operate at Gigabit speeds, ensuring fast and reliable data transmission for high-resolution IP cameras, NVRs, servers, and other network devices.

Powerful Switching Performance

With a switching capacity of 40 Gbps and a packet forwarding rate of 29.76 Mpps, the switch delivers efficient, non-blocking performance for demanding surveillance and business networks.

Durable Metal Rackmount Design

The fully enclosed metal housing offers excellent heat dissipation and durability while supporting both desktop and rackmount installation for professional environments.

Lightning and ESD Protection

Built-in 6 kV lightning protection and electrostatic discharge (ESD) protection help safeguard the switch and connected devices against electrical surges and static discharge.

Product Specifications

• Brand: Dahua
• Model: CS4220-16GT-190
• Product Type: 20-Port Cloud Managed Gigabit PoE Ethernet Switch
• Switch Type: Layer 2 Cloud Managed Switch
• PoE Ports: 16 × 10/100/1000 Mbps RJ45
• RJ45 Uplink Ports: 2 × 10/100/1000 Mbps
• SFP Uplink Ports: 2 × 1000 Mbps SFP
• PoE Standards: IEEE 802.3af, IEEE 802.3at, Hi-PoE, IEEE 802.3bt
• Maximum PoE Output: 90W (Ports 1–2), 30W (Ports 3–16)
• Total PoE Power Budget: 190W
• Switching Capacity: 40 Gbps
• Packet Forwarding Rate:76 Mpps
• MAC Address Table: 8K
• Packet Buffer: 4 Mbit
• Jumbo Frame: 15 KB
• VLAN Support: IEEE 802.1Q, Up to 32 VLANs
• Network Features: STP, RSTP, LLDP, Static Link Aggregation, Port Isolation, Storm Control, Loop Prevention, Port Mirroring, DHCP Client
• Management: Web Management, Dahua DoLynk Care Cloud Management
• Long Distance PoE: Up to 250 metres
• PoE Watchdog: Supported
• Lightning Protection: 6 kV Common Mode
• ESD Protection: 8 kV Air Discharge, 6 kV Contact Discharge
• Power Supply: Built-in 100–240V AC, 47–63 Hz
• Installation: Desktop or Rackmount
• Operating Temperature: -10°C to +55°C
• Housing Material: Metal
• Applications: IP surveillance systems, enterprise networks, offices, schools, warehouses, hotels, retail stores, wireless access points, and commercial networking