IBM x3650 - System M2 - 7947 User Manual page 104

To install an ac power supply, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Remove the power-supply blank from the empty power-supply bay by pinching
3. Slide the ac power supply into the bay until the retention latch clicks into place.
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System x3650 M2 Type 7947: Installation and User's Guide
on page 36.
the side clip and pulling the power-supply blank from the bay. Save the
power-supply blank in case you remove the power supply at a later time.
Important: During normal operation, each power-supply bay must contain either
a power supply or power-supply blank for proper cooling.