3Com Switch 7750 SeriesCommand Reference Guide – PoE Chapter 1 PoE Configuration Commands1-8DescriptionUse the poe enable command to enable the PoE feature on a port.Use the undo poe enable command to disable the PoE feature on a port.By default, the PoE feature on a port is enabled if the PoE feature is enabled on aboard.Example# Enable the PoE feature on Ethernet3/0/1.<3Com> system-viewSystem View: return to User View with Ctrl+Z.[3Com] interface Ethernet3/0/1[3Com-Ethernet3/0/1] poe enable1.1.6 poe enable slotSyntaxpoe enable slot slot-numberundo poe enable slot slot-numberViewSystem viewParameterslot-number: Number of the slot where the board resides.DescriptionUse the poe enable slot command to enable the PoE feature on a board.Use the undo poe enable slot command to disable the PoE feature on a board.By default, the PoE feature is disabled on a board.Note:z Before enabling the PoE feature on a board, you must ensure that the remainingpower output is not less than the maximum power required for the board.Otherwise, PoE cannot be enabled on the board correctly.z After PoE is enabled on a PoE board, the rated power output shall be reserved forthe slot even when the board is removed from the slot. You need to release thispower output using the undo poe enable slot command.z If you insert a board which does not support PoE into the slot for which a ratedpower output is reserved, the reserved power output shall be released.z If you insert a PoE board of another type into the slot for which a rated poweroutput is reserved, the switch still applies the former PoE configuration to the port.
