Removal and replacement procedures 26
These symbols, on power supplies or systems, indicate that the equipment is supplied
by multiple sources of power.
WARNING:
To reduce the risk of injury from electric shock, remove all power cords
to completely disconnect power from the system.
Pre-installation instructions
Perform the steps below before you open the server or before you remove or replace any component:
1.
Turn off the server and all the peripherals connected to it.
2.
Refer to the Powering down the server section in this chapter for detailed instructions on how to
completely power down the server.
3.
Unplug all cables from power outlets to avoid exposure to high energy levels that may cause
burns if parts are short-circuited by metal objects such as tools or jewelry. If necessary, label
each cable for reassembly.
4.
Disconnect telecommunication cables to avoid exposure to shock hazard from ringing voltages.
5.
Open the server according to the instructions described in the System covers section in this
chapter.
6.
Follow the ESD precautions listed previously in this chapter when handling a server component.
WARNING:
Failure to properly turn off the server before you open it or before you start
installing/removing components may cause serious damage as well as bodily harm.
Post-installation instructions
Observe the following items after installing or removing a server component:
1.
Make sure that you install all components according to the described step-by-step instructions.
2.
Make sure not to leave loose tools or parts inside the server.
3.
Reinstall any expansion board(s), peripheral(s), board cover(s), and system cable(s) that have
previously been removed.
4.
Reinstall the system covers.
5.
Connect all external cables and the AC power cord to the system.
6.
Press the power button on the front panel to turn on the server.
CAUTION:
Do not operate the server for more than 10 minutes with the access panel and drives
removed. Otherwise, improper cooling airflow may damage system components.
Powering down the server
To power down the server:
1.
Shut down the server as directed by the operating system documentation.
2.
If necessary, press and hold the power button until the server shuts off.
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