Acer AcerAltos 21000 System Manual
 System Housing2-252.5 Installing and Removing a Hot-swappableRedundant Power Supply ModuleThe power subsystem consists of a power backplane and hot-swappable power supply modules. These components are held inplace by a metal rack enclosure.The backplane and the rack allow installation of up to three 430-wattpower supply modules in a hot-swappable redundant configuration. Aredundant power configuration enables a fully-configured system tocontinue running even if one power supply fails. The remaining twopower supply modules still satisfy up to 860-watt of system powerrequirement.If fans fail to operate, the power supplymodule will shut down. The LED indicators ofthe power supply module will be turned off.If the fans are functioning properly and thepower supply fails, the fans will keepoperating.The power subsystem provides a standby current and a remote on/offfeature to support cold reboot from a remote site. See Chapter 5 foran overview of the remote diagnostic management (RDM).The power supply subsystem should supply a minimum 860W (2power supply modules) DC power to the whole system. An additionalpower supply module can also be added for fail-safe redundancy. |
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