Command Manual – PoEH3C S7500 Series Ethernet Switches Chapter 1 PoE Configuration Commands1-9Examples# Enable the PoE feature on the PoE board in slot 3. system-viewSystem View: return to User View with Ctrl+Z.[H3C] poe enable slot 31.1.7 poe legacy enable slotSyntaxpoe legacy enable slot slot-numberundo poe legacy enable slot slot-numberViewSystem viewParametersslot-number: Number of the slot where the board resides.DescriptionUse the poe legacy enable slot command to enable the board to performPoE-compatibility detection for the remote PDs.Use the undo poe legacy slot command to disable PoE-compatibility detection for theremote PDs.By default, PoE-compatibility detection for PDs is disabled on the board.Through the PoE-compatibility detection, the switch can detect the PDs incompatiblewith IEEE802.3af and supply power to them.Caution:PoE-compatibility detection process is very slow and has impact on the systemperformance, so the PoE-compatibility detection is not recommended if all PDsconnected are IEEE802.3af-compatible ones.Examples# Enable PoE-compatibility detection on the PoE board in slot 2. system-viewSystem View: return to User View with Ctrl+Z.