Lenovo ThinkSystem DE Series Installation Instructions Manual page 24

4. Secure the shelf.
Secure the shelf to the rack as directed in the instructions for the rack-mounting hardware.
For more information, see the instructions for the rack-mounting hardware.
• Insert screws into the first and third holes from the top of the shelf on both sides to secure
it to the front of the cabinet.
• Place two back brackets on each side of the upper rear section of the shelf. Insert screws
into the first and third holes of each bracket to secure the back of the cabinet.
21