Insert the power supply into the opening. Slide it all the way in until it
connects to the switch. The power supply face plate will be flush with the
back face of the switch.
Figure 4-2. Power Supply Installation
Tighten the four retaining screws that hold it in place. Be careful not to
overtighten the screws.
For more detail refer to the ProCurve Switch zl Internal Power Supply
Installation Guide (5991-3787).
Replacing Power Supplies
tighten the four screws