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4-14 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
4.4.3 Powering the Server Off Manually
1. Notify users that the server is being powered off.
2. Back up the system files and data to tape, if necessary.
3. Place the keyswitch in the Service position.
4. Press and hold the Power switch on the operator panel for four seconds or
longer to initiate the power off.
5. Verify the state of the status POWER LED on the operator panel is off.
6. Disconnect all power cables from the input power source.
Caution – There is an electrical hazard if the power cords are not disconnected. All
power cords must be disconnected to completely remove power from the server.
4.4.4 Powering the Server On Manually
1. Make sure that the server has enough power supply units to run the desired
configuration.
2. Connect all power cables to the input power source.
3. Make sure the XSCF STANDBY LED is On.
4. Turn the keyswitch on the operator panel to the desired mode position (Locked
or Service).
5. Press the Power switch on the operator panel.
After a delay the following activities occur:
■ The operator panel POWER LED lights.
■ The system executes the power-on self-test (POST).
Then, the server is completely powered on.
Note – If the Solaris automatic booting is set, using the sendbreak -d domain_id
command after the display console banner is displayed but before the system starts
booting the operating system to get the ok prompt.