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Blowers
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 (see Figure 21).
All four 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. A failing blower must be replaced as soon as possible
to avoid potential thermal problems.
Note: Each power module has cooling fans that are independent of the system
Figure 21. BladeCenter T blower module
cooling.
Blower
Error LED
Power LED
Chapter 2. BladeCenter T unit components
37
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