Ethernet Switch 4 Port Managed Gigabit PoE+ Switch with 3 Uplink Ports(2RJ45+1SFP), 2 Ports 90W PoE BT, VLAN Isolation, 6KV Surge Protection, Metal Case for Home Security & Office

Flexible uplink and fiber optic connectivity: Equipped with 2 Gigabit RJ45 uplink ports and 2 Combo ports (RJ45 or SFP), it allows for flexible connection to routers, NVRs, or fiber optic backbone networks, easily integrating into existing network architectures and offering greater deployment flexibility. Plug and play, simple and convenient: Simply connect the device and power it on; no complex configuration or software settings are required. Supports auto-negotiation and automatic MDI/MDI-X, making installation easy for both professionals and home users

• Up to 90W Power - Equipped with 4 PoE+ Gigabit RJ45 ports (compliant with IEEE 802.3af/at/bt), with a maximum power output of 90W and a total PoE power budget of 150W. Two ports support BT 90W high-power output
• Up to 820FT Transmission Distance - Enabling the Extend Mode DIP switch reduces the PoE port speed to 10Mbps, extending the transmission distance to 250 meters (820 feet). Ideal for large-scale surveillance camera deployments in large-area scenarios such as warehouses, parking lots, or industrial parks
• Automatic Recovery - Enabling PoE Watchdog Mode allows the switch to automatically monitor connected devices. If the powered device (PD) does not interact with data within 2-3 minutes, the switch will restart the corresponding PoE port, restoring normal device operation and minimizing downtime for unattended devices
• Port Isolation - With VLAN mode enabled, each PoE port is isolated from the others and can only communicate with the uplink port. This effectively controls network storms and improves information security—suitable for public networks, rental properties, or multi-tenant scenarios
• Surge Protection - Equipped with 6KV port surge protection, protecting your expensive PoE equipment from voltage spikes, lightning strikes, and power grid fluctuations. This improves system reliability and reduces equipment failure rates in outdoor or harsh environments
• Rack Design - Featuring a durable metal casing, this rack-mount design is specifically designed for long-term reliable operation in harsh environments. Built-in fan cooling ensures stable operation under high power loads, suitable for server rooms, offices, and industrial environments