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Chapter 4 Working Inside Your System
Power Share Backplane
The power share backplane distributes the power load of the system among
two or three power supplies. The backplane is mounted on two snap-on
standoffs and six threaded standoffs on the center wall inside the chassis.
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!
WARNINGS
The power button on the front panel of the system does
not turn off the AC power. To remove AC power from the
system, you must unplug the AC power cord from each
power supply or wall outlet.
Hazardous voltage, current, and energy levels are present
inside the power share backplane. There are no user
serviceable parts inside it; servicing should be done only
by technically qualified personnel.
Removing the Power Share Backplane
See Figures 4-26 and 4-27.
1. Observe the warnings and cautions on page 3, “Safety Guidelines.”
2. Unplug the AC power cord from each power supply or wall outlet.
3. Remove the right side cover (page 80).
4. Label and disconnect the power and signal cables from the power share
backplane.
5. Remove the power supplies.
6. Remove the screws that attach the backplane to the threaded stand-offs
on the inside chassis wall, and set them aside.
7. Pull the backplane toward you to unsnap it from the snap-on standoffs.
8. Remove the backplane from the system, and set it aside.