Removing And Installing Blower Modules - IBM BladeCenter T 8720 Installation And User Manual

10. If you have other modules to install at the front of the unit, do so now.

Removing and installing blower modules

The BladeCenter T unit comes with four hot-swap blowers for cooling redundancy.
The blowers are installed at the rear of the system. The blower speeds vary
depending on the ambient air temperature at the front of the BladeCenter T unit. If a
blower fails, the remaining blowers increase their speed to cool the BladeCenter T
unit and blade servers.
All flour blowers are required for redundant system operation. Power for all four
blowers is shared by all installed power modules. One failed blower creates a
nonredundant configuration.
Note: Each power module has cooling fans that are independent from the system
Important: Replace a failed blower as soon as possible to restore cooling
redundancy.
Use the instructions in this section to remove or install a blower module at the rear
of the BladeCenter T unit.
Note: Blowers on the left side of the system are installed with the release lever
secondary management module needs the time to receive initial
configuration and status information.
Otherwise reinstall the bezel assembly on the front of the BladeCenter T unit.
cooling.
Blower
pointing upward, and blowers on the right side are installed with the release
lever facing downward.
Chapter 3. Removing and installing BladeCenter T modules and options
Error LED
Power LED
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