Dahua DH-CS4218-16ET-135 – 18-Port Cloud Managed PoE Switch, 16× PoE, 135 W, 2× Gigabit Combo

The Dahua DH-CS4218-16ET-135 is an 18-port managed switch with 16 PoE ports and cloud management, suitable for desktop or rack mounting. It is designed to power and connect IP cameras, access points and other network devices in video surveillance systems. The switch supports local web management as well as centralized cloud management through the DoLynk app, which monitors the network in real time.

Key features

• Ports: 16× RJ45 10/100 Mbps (PoE), 2× RJ45 10/100/1000 Mbps (combo), 2× SFP 1000 Mbps (combo)
• PoE: 135 W total budget; IEEE 802.3af/at on all PoE ports, plus IEEE 802.3bt and Hi-PoE (up to 90 W) on the marked ports
• Long-distance PoE: up to 250 m, plus PoE Watchdog to automatically restart unresponsive devices
• DIP switch: quickly turns cloud management mode, PoE Watchdog and long-distance PoE on or off
• Performance: 7.2 Gbps switching capacity, 5.36 Mpps packet forwarding rate, 4 Mbit packet buffer
• MAC table: 8K entries; 15K byte jumbo frames
• L2 functions: VLAN (up to 32), loop protection that raises an alarm and prevents broadcast storms
• Management: web interface and DoLynk Care cloud, network topology view, automatic device detection and setup
• Power: built-in power supply 100–240 VAC, 47–63 Hz; idle consumption ≤ 6 W, full load 154 W
• Protection: protection against overvoltage, overcurrent, static electricity and lightning strikes
• Environment: –10 °C to 55 °C operating temperature, metal housing with good heat dissipation
• Dimensions and weight: 440 × 220 × 44 mm, net weight 2.23 kg
• MTBF: 87.10 years

With its large PoE budget, Gigabit uplink ports and simple cloud management, the DH-CS4218-16ET-135 is a reliable choice for mid-size video surveillance projects in offices, retail stores and warehouses.