Removal and replacement procedures  34 
To replace the component, reverse the removal procedure. 
 
Power supply blank 
 
 
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless 
all bays are populated with either a component or a blank. 
 
To remove the component: 
1.  Access the rear panel ("Access the product rear panel" on page 30). 
 
 
WARNING: To reduce the risk of personal injury from hot surfaces, allow the power supply or 
power supply blank to cool before touching it. 
 
2.  Remove the power supply blank. 
 
To replace the component, reverse the removal procedure. 
 
Power supply 
To remove the component: 
1.  Power down the server (on page 29). 
2.  Remove all power: 
a.  Disconnect each power cord from the power source. 
b.  Disconnect each power cord from the server. 
3.  If the server is using a DC power supply: 
a.  Remove the safety cover. 
b.  Remove the power ring tongues from the terminal block. 
c.  Remove the ground (earthed) wire. 
 
 
WARNING: To reduce the risk of personal injury from hot surfaces, allow the power supply or 
power supply blank to cool before touching it.