38 Installing Enclosure Components
Removing and Installing the Midplane
  CAUTION: Only trained service technicians are authorized to remove the enclosure cover and access any of the 
components inside the enclosure. Before performing any procedure, see your Product Information Guide for 
complete information about safety precautions, working inside the enclosure and protecting against 
electrostatic discharge.
The enclosure midplane contains the connectors for the drives, EMMs, control panel, and power 
supply/cooling modules. 
1
Complete the "Removing the Control Panel" steps as shown in "Removing and Installing the Control 
Panel."
2
Remove the EMMs from the 
enclosure
. (See "Removing and Installing an EMM.")
3
Remove both power supply/cooling modules from the 
enclosure
. (See "Removing and Installing the 
Power Supply/Cooling Fan Module.")
4
Remove the four Phillips screws holding the EMM/power supply cage in the 
enclosure
 (see Figure 3-9).
Figure 3-9. Removing and Replacing the EMM/Power Supply Cage
1 Phillips screws (4) 2 EMM/power supply cage
2
1