User Service Guide, Third Edition - HP Integrity cx2620 Server

Figure 3-6 Hot-Swappable Power Supplies
3. When the power supply is fully inserted into the server chassis, tighten the two mounting
screws to secure the power supply in place.
4. Press up on the two lower tabs on the terminal barrier strip cover to snap off the cover.
WARNING! Always check that the power cable is not connected to a power source before
attempting to connect the power cable to power supply terminals. Failure to observe this
warning can result in injury.
5. Connect the power cable leads to the power supply terminals (Figure 3-7).
For -48V, the most positive wire is 0V.
For -48V, the most negative wire is -48V.
62 Installing the System