Operation Manual – PoEH3C S9500 Series Routing Switches Chapter 2 PoE PSU Supervision Configuration2-32.3 Displaying PoE Supervision InformationTo do… Use the command… RemarksDisplay the basicinformation about the PoEPSUs.displaysupervision-moduleinformationAvailable in any viewDisplay detailed alarminformation about the PoEPSUs.display poe-poweralarm Available in any viewDisplay the number andcurrent state of AC powerdistribution switches ofthe PSUs.display poe-powerswitch state Available in any view2.4 PoE PSU Configuration Example2.4.1 AC Input Alarm Thresholds Configuration ExampleI. Network requirementsz Set the overvoltage alarm threshold of AC input for PoE PSUs to 264.0 V.z Set the undervoltage alarm threshold of AC input for PoE PSUs to 181.0 V.II. Configuration procedure# Enter system view. system-view# Set the overvoltage alarm threshold of AC input for PoE PSUs to 264.0 V.[H3C] poe-power input-thresh upper 264.0# Set the undervoltage alarm threshold of AC input for PoE PSUs to 181.0 V.[H3C] poe-power input-thresh lower 181.0# Display the information about the AC input for the PoE PSUs.[H3C] display poe-power ac-input state2.4.2 DC Output Alarm Thresholds Configuration ExampleI. Network requirementsz Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.z Set the undervoltage alarm threshold of DC output for the PoE PSUs to 45.0 V.II. Configuration procedure# Enter system view.