描述
UPS电源备用时间检查。UPS电源充电完成后,切断供电电源,使热工自备UPS电源切至电池供电,直到计算机系统自动执行关机程序,最后确认计算机完全并正确地关机。检查热工自备UPS电源电池,应小于说明书规定的备用时间。
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