* 4 x 10/100Mbps PoE Ports, 2 x 10/100Mbps RJ45 Uplink Ports
* Support 250m Extend, Port VLAN, and PD Alive function on DIP Switch
* PD Alive mode detects and reboots unresponsive PoE-powered devices automatically
* Metal housing, fanless design, create a quiet environment
* Plug and play with no configuration required