BX400 S1 Operating Manual 123
Hot-plug components
8.5 Hot-plug fan modules
The PSU bays of the BX400 S1 system unit can alternatively be fitted with hot-
plug fan modules.
Figure 45: Fan module
I The unoccupied PSU bays must be fitted with fan modules to ensure that
the system components are properly cooled.
Fan modules are removed and installed in the same way as power supply units,
see "Replacing the power supply unit" on page 121.