Figure 23: Access panel removal
Powering off the server
WARNING:
To reduce the risk of personal injury, electric shock, or damage to the equipment, remove the power
cord to remove power from the server. The front panel Power On/Standby button does not
completely shut off system power. Portions of the power supply and some internal circuitry remain
active until AC power is removed.
NOTE:
If installing a hot-plug device, you do not have to power off the server.
Procedure
1. Back up the server data.
2. Shut down the operating system as directed by the operating system documentation.
NOTE:
If the operating system automatically places the server in Standby mode, omit the next step.
3. Press the Power On/Standby button to place the server in Standby mode. When the server activates
Standby power mode, the system power LED changes to amber.
NOTE:
Pressing the UID button illuminates the blue UID LEDs on the front and rear panels. In a rack
environment, this feature facilitates locating a server when moving between the front and rear of
the rack.
4. Disconnect the power cords.
The system is now without power.
138 Powering off the server
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