Dahua CS4218-16ET-135 18-Port Cloud Managed PoE Ethernet Switch

The Dahua CS4218-16ET-135 18-Port Cloud Managed PoE Ethernet Switch is a professional Layer 2 networking solution designed for IP surveillance systems, enterprise networks, offices, schools, hotels, warehouses, and commercial installations. Equipped with 16 Fast Ethernet PoE ports and two Gigabit combo uplink ports (RJ45/SFP), this smart managed switch delivers reliable network connectivity and power to IP cameras, wireless access points, VoIP phones, and other PoE-enabled devices. Supporting IEEE 802.3af, IEEE 802.3at, Hi-PoE, and IEEE 802.3bt standards, intelligent PoE management, cloud management through the Dahua DoLynk platform, VLAN support, and long-distance PoE transmission, the CS4218-16ET-135 provides an efficient, secure, and scalable networking solution for demanding surveillance environments.

Product Features

18-Port Cloud Managed Switch

The switch features 16 × 10/100Mbps PoE ports and two Gigabit combo uplink ports that support both RJ45 and SFP connections, providing flexible deployment options for surveillance and business networks.

High-Power PoE and PoE++ 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 for high-power devices, while Ports 3–16 provide up to 30W each. The total PoE power budget is 135W.

Cloud Management via Dahua DoLynk

Manage the switch remotely through the Dahua DoLynk cloud platform or web interface. Monitor device status, configure settings, receive fault notifications, and manage your network from virtually anywhere.

Long-Distance PoE Transmission

The switch supports extended PoE transmission of up to 250 metres in Long Distance mode, making it suitable for connecting IP cameras across large compounds, parking areas, and industrial facilities.

Intelligent PoE Management

Advanced PoE management automatically monitors connected devices, controls power distribution, supports Green PoE, overload protection, and remote PoE power management to improve network stability.

Layer 2 Smart Switching

The CS4218-16ET-135 offers Layer 2 switching with features including IEEE 802.1Q VLAN, DHCP Client, IEEE 802.3x Flow Control, Loop Prevention, Port Isolation, MAC Binding, Storm Control, and LLDP for improved network efficiency and security.

Gigabit Combo Uplink Ports

Two Gigabit combo uplink ports allow either RJ45 or SFP fiber connections, providing flexible high-speed connectivity to NVRs, routers, core switches, or fiber backbone networks.

High Switching Performance

With a switching capacity of 7.2Gbps and a packet forwarding rate of 5.36Mpps, the switch delivers reliable, non-blocking data transmission for multiple connected devices.

Durable Metal Rackmount Design

The switch features a fully enclosed metal housing with desktop or rackmount installation options, providing excellent durability and heat dissipation for continuous operation.

Lightning and ESD Protection

Built-in lightning protection and electrostatic discharge (ESD) protection safeguard the switch and connected devices against electrical surges, ensuring reliable operation in demanding environments.

Product Specifications

• Brand: Dahua
• Model: CS4218-16ET-135
• Product Type: 18-Port Cloud Managed PoE Ethernet Switch
• Switch Type: Layer 2 Smart Managed Switch
• PoE Ports: 16 × 10/100Mbps RJ45
• Combo Uplink Ports: 2 × Gigabit RJ45/SFP Combo Ports
• 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 Budget: 135W
• Switching Capacity:2Gbps
• Packet Forwarding Rate:36Mpps
• MAC Address Table: 8K
• Packet Buffer: 4Mbit
• Jumbo Frame: 15KB
• VLAN Support: Up to 32 VLANs
• Network Management: Web Management, Dahua DoLynk Cloud Management, Mobile App
• Network Features: VLAN, DHCP Client, LLDP, Loop Prevention, Storm Control, Port Isolation, Intelligent PoE
• Long-Distance PoE: Up to 250m
• Lightning Protection: 4kV Common Mode, 2kV Differential Mode
• ESD Protection: 8kV Air Discharge, 6kV Contact Discharge
• Power Supply: Built-in 100–240V AC, 50/60Hz
• Installation: Desktop or Rackmount
• Operating Temperature: -10°C to +55°C
• Housing Material: Metal
• Applications: IP surveillance systems, enterprise networks, offices, schools, hotels, warehouses, retail stores, wireless access points, and commercial networking