Dahua 18-Port Cloud Managed Desktop Switch (DH-CS4218-16ET-135)

The Dahua DH-CS4218-16ET-135 is a high-capacity 18-port cloud managed Layer 2 switch designed for advanced surveillance and enterprise network deployments. It features 16 PoE-enabled Fast Ethernet ports alongside Gigabit uplink and SFP combo ports, delivering both power and high-speed data connectivity for IP cameras, access points, and other network devices. With support for IEEE 802.3af/at, Hi-PoE, and IEEE 802.3bt standards, it provides strong power delivery for demanding devices such as PTZ cameras. Its cloud and web-based management capabilities allow remote configuration, monitoring, and intelligent PoE control, making it suitable for large-scale, centralized network installations.

Product Features

Cloud and Web-Based Network Management

The switch supports intelligent cloud management and web-based configuration, allowing administrators to remotely monitor network performance, manage devices, and control PoE power distribution in real time.

16-Port PoE Connectivity

It includes 16 × 10/100 Mbps PoE ports that deliver both power and data to connected devices, simplifying deployment of large IP surveillance systems and reducing cabling complexity.

Gigabit and SFP Combo Uplink Support

Ports 17 and 18 function as Gigabit RJ45 uplinks or 1 Gbps SFP fiber ports, providing flexible high-speed backbone connectivity for network expansion and long-distance transmission.

High-Power PoE Support with IEEE 802.3bt

The switch supports IEEE 802.3bt alongside Hi-PoE, enabling high-power output up to 90W on ports 1–2, making it suitable for advanced devices such as PTZ cameras and high-performance wireless equipment.

Intelligent PoE Power Management

Built-in PoE management allows centralized control of power consumption, including power scheduling, port-level on/off control, and overload protection for improved system stability.

VLAN and Network Segmentation

Supports port-based VLAN configuration, enabling network segmentation to improve security, isolate traffic, and optimize bandwidth usage across connected devices.

Reliable Industrial-Grade Design

Constructed with a fully enclosed metal casing, the switch is dust-proof and durable, ensuring stable operation in challenging environments with a wide temperature range.

Long-Distance PoE Transmission

Supports extended PoE transmission capabilities, making it suitable for large buildings, campuses, and distributed surveillance networks.

Product Specifications

• Ports: 16 × RJ45 10/100 Mbps PoE ports, 2 × Gigabit RJ45/SFP combo uplink ports
• Uplink Speed: 10/100/1000 Mbps RJ45; 1 Gbps SFP
• Switching Capacity: 7.2 Gbps
• Packet Forwarding Rate: 5.36 Mpps
• Layer: Layer 2
• PoE Standards: IEEE 802.3af, IEEE 802.3at, Hi-PoE, IEEE 802.3bt
• PoE Budget: Total 135 W
  • Ports 1–2 ≤ 90 W
  • Ports 3–16 ≤ 30 W
• Power Supply: Built-in 100–240 V AC, 47–63 Hz
• Power Consumption: Idle ≤ 6 W; Full load 154 W
• MAC Address Table: 8K
• Packet Buffer Size: 4 Mbit
• Jumbo Frame Support: Up to 15K bytes
• VLAN Support: Up to 32 VLANs (port-based VLAN)
• Communication Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z
• Operating Temperature: –10 °C to +55 °C
• Storage Temperature: –40 °C to +70 °C
• Operating Humidity: 5%–95% RH non-condensing
• Surge Protection: Air discharge 8 kV; contact discharge 6 kV
• Lightning Protection: Common mode 4 kV; differential mode 2 kV
• MTBF: 87.10 years
• Installation Type: Desktop or rack mount
• Casing Material: Sheet metal
• Dimensions: 440 mm × 220 mm × 44 mm
• Weight: Net 2.23 kg; Gross 2.88 kg
• Management: Web management and app-based cloud management
• Included Accessories: Quick start guide, regulatory information, and installation accessories