Cisco Catalyst 6880-X - Page 9

We recommend to assemble the shelf brackets rear flanges with rear rack posts by using four EA
screws (two EA screws on each side) to avoid the shelf brackets from overhanging at the ends.
Note
Figure 4: Before adjusting the rear rack posts
Catalyst 6880-X Switch Hardware Installation Guide
OL-30827-02 9
Installing the Switch
Installing the Rack-Mount Shelf Kit