Lenovo ThinkSystem SD550 V3 User Manual page 108

Figure 49. Removal of the drive cage assembly
Step 3. Lay the drive cage on a flat, static-protective surface.
After this task is completed
1. Install a replacement unit (see
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.
Remove the drive backplane
Follow instructions in this section to remove the drive backplane.
About this task
To avoid potential danger, make sure to read and follow the safety information.
Attention: Read "Installation Guidelines" on page 43
sure that you work safely.
Procedure
Step 1. Make preparations for this task.
a. Power off the node (see
from the node.
Note: If necessary, press the release clip with a flat-head screwdriver to remove an external
network cable from the rear of a 2U node.
ThinkSystem SD550 V3 User Guide
98
"Install a drive cage assembly" on page
and "Safety inspection checklist" on page 44
"Power off the node" on page
101).
53); then, disconnect all external cables
to make