Power Supply Unit - NEC 140He User Manual

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Power Supply Unit

Even if one of three power supply units fails, the server can continue its operation without interruption when an
additional power supply unit is installed (in the redundant configuration).
If the four power supply units are used, AC power can be divided into two lines with a pair of power supply units. With
the AC power redundant configuration, the server can continue its operation without power interruption even if either of
AC power line fails.
Installation
Install a power supply unit as follows:
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Remove the screw securing the blank cover.
3.
Remove the blank cover.
IMPORTANT:
Keep the removed blank cover for future use.