Dahua · DH-CS4220-16GT-240
Product Overview This switch is an all-gigabit solution featuring 20 ports total, with 16 dedicated to Power over Ethernet (PoE). It is built with a robust metal casing and is designed to be managed either locally via a web interface or remotely through the DoLynk Care cloud platform, allowing for real-time network monitoring and maintenance. Key Features Intelligent PoE Management: Supports PoE 2.0, which includes a "PoE Watchdog" that automatically detects non-responsive cameras and restarts their respective ports to restore connectivity. High Power Output: Features two "red ports" that support 90W Hi-PoE (802.3bt), ideal for power-hungry devices like high-speed PTZ cameras. Long-Distance Transmission: Includes an "Extend Mode" that can supply power up to 250 meters away, though bandwidth is limited to 10 Mbps in this mode. Cloud Management & Visualization: Compatible with the DoLynk Care app, which can generate network topologies to help technicians quickly identify and troubleshoot issues. Durable Design: Enclosed in a dust-proof metal casing with professional-grade surge protect