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Chapter 14
Maintaining the Fan Units and Fan
Backplane Unit
This chapter describes the maintenance procedures for the FANUs and FANBPU
mounted in the SPARC M12.
Locations of the FANUs and FANBPU
■
Before Maintenance on a FANU or the FANBPU
■
Removing a FANU or the FANBPU
■
Installing a FANU or the FANBPU
■
14.1
Locations of the FANUs and FANBPU
A FANU consists of two cooling fans, and a FANBPU houses eight FANUs.
If one of the cooling fans fails during system operation, the redundant configuration
enables the system to continue operation, and the XSCF firmware detects the failure.
Figure 14-1
shows the mounting locations of the FANUs and FANBPU.
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