728 CHAPTER 65: P O E PSU SUPERVISION CONFIGURATIONConfiguration procedure# Enter the system view. system-view# Set the overvoltage alarm threshold of AC input for PoE PSUs to 264.0 V.[SW7750] poe-power input-thresh upper 264.0# Set the undervoltage alarm threshold of AC input for PoE PSUs to 181.0 V.[SW7750] poe-power input-thresh lower 181.0# Display the AC input state of the PoE PSUs.[SW7750] display poe-power ac-input stateDC Output AlarmThresholdConfigurationYou can set the DC output alarm thresholds for the PoE PSUs to enable the Switch7750 to monitor the DC output voltages of the PSUs in real time through Fabrics.DC Output AlarmThresholdsConfiguration TasksDC Output AlarmThreshold ConfigurationExampleNetwork requirements■ Set the overvoltage alarm threshold of DC output for the PoE PSUs to 55.0 V.■ Set the undervoltage alarm threshold of DC output for the PoE PSUs to 47.0 V.Configuration procedure# Enter the system view. system-view# Set the overvoltage alarm threshold of DC output for the PoE PSUs to 55.0 V.[SW7750] poe-power output-thresh upper 55.0# Set the undervoltage alarm threshold of DC output for the PoE PSUs to 47.0 V.[SW7750] poe-power output-thresh lower 47.0Table 587 DC output alarm thresholds configuration taskOperation Command DescriptionEnter the system view system-view -Set the overvoltage alarmthreshold of DC output (upperthreshold) for the PoE PSUspoe-power output-threshupper stringRequiredYou are recommended to setthe upper threshold to 47 Vwhen 220 VAC or 110 VAC isinput.Set the undervoltage alarmthreshold of DC output (lowerthreshold) for the PoE PSUspoe-power output-threshlower stringRequiredYou are recommended to setthe lower threshold to 55 Vwhen 220 VAC or 110 VAC isinput.
