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Chapter 25 Addition, Deletion, and Upgrade of FRU 25-3
■ Press and hold the POWER switch on the operator panel for at least four seconds.
■ From a console that is connected to XSCF, log in to XSCF, and execute the
poweroff -a command.
3. Switch off all main line switches for the AC section (ACS) in the power supply
system.
4. Add the FRUs.
Perform the same operation as the mounting steps of a FRU replacement. For details, see
the appropriate chapter on FRU replacement.
Note – In addition of an IOU, mount the CMU and IOU in the proper location. Otherwise,
the added IOU may not operate after power-on.
5. Switch on all main line switches for the AC section (ACS) in the power supply
system.
6. Confirm that the XSCF STANDBY LED (green) on the operator panel remains lit.
If it is blinking, wait until it remains lit.
7. Use one of the following methods to start (power on) all domains at once.
■ Press and hold down (for less than four seconds) the POWER switch on the operator
panel.
■ From a console that is connected to XSCF, execute the poweron -a command of
XSCF.