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9-14 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
■ 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.
The OS shutdown processing is executed for all the domains, and then the power-off
processing is executed.
4. Confirm that the power-off processing is completed by confirming that the POWER
LED (green) on the operator panel is off.
5. Switch off all main line switches for the AC section (ACS) in the power supply
system. (See Section 4.5.3, “Main Line Switch Locations” on page 4-30)
Note – If the optional three-phase 200 VAC input power supply unit is installed, the main
line switches are located on the three-phase ACS.
Note – If the dual power feed option is installed, switch off the main line switches for both
power supply units.
Caution – After stopping all the domains, be sure to switch off the main line switches in
the power supply system to completely shut off the supply of power.
6. Connect the clip of the antistatic wrist strap and of the antistatic mat to the server
grounding port. (See Section 1.4, “Antistatic Precautions” on page 1-9)
7. Ensure that the metallic underside of the wrist strap is in direct contact with your
skin.
The wrist strap should be snug around the wrist so that it does not rotate. (See Section 1.4,
“Antistatic Precautions” on page 1-9)
Caution – Before handling FRUs, be sure to connect the clip of the antistatic wrist strap
and of the antistatic mat to the server grounding port, and attach the band of the wrist strap
to one of your wrists. Place the FRUs on the grounded antistatic mat. Failure to take these
antistatic measures might result in serious damage.
8. Using a Phillips screwdriver, loosen the knob screw of the fixing bracket of the PSU
to release the bracket, and open it 180 degrees. (See
FIGURE 9-9 or FIGURE 9-10)
9. While pushing the lock lever (green) of the PSU to be replaced, raise the handle to
about 45 degrees, and pull out the PSU slowly from the slot.
10. Place the removed PSU on an antistatic mat.