Removal and replacement procedures 36
6.
Replace the safety cover.
7. Insert the power supply into the power supply bay until it clicks into place.
8. Route the power cord. Use best practices when routing power cords and other cables. A cable
management arm is available to help with routing. To obtain a cable management arm, contact a
Hewlett Packard Enterprise authorized reseller.
9. Make sure the 48V DC power source is off or the PDU breaker is in the off position, and then connect
the power cord to the 48V DC power source or PDU.
10. Turn on the 48V power source or switch the PDU breaker to the on position to supply 48V to the
power supply.
Be sure that the green power supply LED is on.
Drive cage assembly
The hard drive cage assembly includes the Systems Insight Display ("Systems Insight Display LEDs" on
page 80), front panel LEDs and buttons (on page 74), drive backplane, and cables.