Lenovo ThinkEdge SE455 V3 User Manual page 180

2. If you are instructed to return the component or optional device, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Install the power distribution board and PDB cage
Follow the instructions in this section to install the power distribution board and PDB cage.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
About this task
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Procedure
Step 1. Install the PDB cage to the chassis.
a. Align the PDB cage with the guide pins on the chassis; then, lower the PDB cage down to the
chassis.
b. Fasten four screws to secure the PDB cage.
172 ThinkEdge SE455 V3 User Guide
and "Safety inspection checklist" on page 40
48.
to ensure that you