PoE is already widely adopted in the market, saving up to 50% of overall installation costs by eliminating the need to install separate electrical wiring and power outlets. The Switch can auto-transform between MDI-II orMDI-Xtype, so you can connect your network devices without worrying about using a standard or crossover Ethernet cable. Please follow the instructions in this guide to setup the Switch properly. Section 2 Connecting the Switch PoE 0-@-@ 48V Ports 1-4: These ports are PoE-