User`s guide

Upgrading Your Server 9-19
POWER SUPPLY UNIT
Your server contains one or two power supply units.
The second power supply unit is optional and provides a redundant configuration that ensures continued operation of the
system in the unlikely event one of the power supply unit fails.
Power supply
slot (standard)
Power supply
slot (option)
Installation
Take the following steps to install a power supply unit:
1. See the section "Preparing for Installation and Removal" described earlier.
IMPORTANT: Be sure to turn off the power. Failure to do so causes the server to malfunction or
fail.
2. Remove the blank cover.
IMPORTANT: Keep the removed blank cover for future use.