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Power Supply Unit; Installing A Power Supply - NEC EXPRESS5800/120Re-2 Service Manual

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This operation is necessary because installing the floppy disk drive or CD-
ROM drive clears the current settings.
7. Install the front bezel.

Power Supply Unit

Even if a single power supply unit fails, the server can continue its operation
without interruption (redundancy feature) provided that both power supplies are
installed.

Installing a Power Supply

Perform the following steps to install a power supply unit:
1. Observe the safety and ESD precautions listed under General Information
and Static Precautions at the beginning of this chapter.
2. Perform the steps in "Preparing Your System for Upgrade" described earlier
in this chapter.
3. Extend the server out of the rack, and locate the slot for installing an
optional power supply unit.
4. Squeeze and pull the handle of the blank cover. See Figure 4-65.
Figure 4-65. Removing the Power Supply Blank Cover
5. Remove the blank cover.
IMPORTANT:
4-58 Disassembly and Reassembly
The blank cover is unlocked.
Keep the removed blank cover for future use.

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