Serial connector: Connect a
SAS connector: Connect a
Server power features
When the server is connected to a power source but is not turned on, the operating system does not run, and all core logic except for the service processor (the baseboard management controller or optional Remote Supervisor Adapter II SlimLine) is shut down; however, the server can respond to requests from the service processor, such as a remote request to turn on the server. The
Turning on the server
Approximately 5 seconds after the server is connected to power, the
The server also can be turned on in any of the following ways:
vIf a power failure occurs while the server is turned on, the server will restart automatically when power is restored.
Turning off the server
When you turn off the server and leave it connected to power, the server can respond to requests from the service processor, such as a remote request to turn on the server. While the server remains connected to power, one or more fans might continue to run. To remove all power from the server, you must disconnect it from the power source.
Some operating systems require an orderly shutdown before you turn off the server. See your
Statement 5:
CAUTION:
The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
2 
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12ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide