Specifies the number of consecutive AC line status samples (indicate a power loss) must be received before the device concludes that a power failure has occurred. When the device concludes that power has failed, the device begins an orderly shutdown process. The process used for determining whether a power failure has occurred protects the device from shutting down during short power failures or certain brownout conditions. Using default values, a power failure of less than 5 seconds does not prompt a device shutdown.
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