HP ProLiant DL380p User Manual page 67

If you are not using an optional HP input cable, with the ground cable disconnected from the 48V power
2.
source, crimp the ring tongues to the power and ground cables coming from the 48V source.
IMPORTANT:
are not interchangeable.
Remove the safety cover from the terminal block on the front of the power supply.
3.
Remove the screws from the terminal block.
4.
IMPORTANT:
mm (0.138 in); the diameter of a screw type terminal must be 4.0 mm (0.157 in).
The power supply uses two power ring tongues and one ground ring tongue. They
The minimum nominal thread diameter of a pillar or stud type terminal must be 3.5
Hardware options installation 67