Cisco Catalyst 6880-X Installation Manual page 9

Installing the Switch
Note
Figure 4: Before adjusting the rear rack posts
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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.
Installing the Rack-Mount Shelf Kit
Catalyst 6880-X Switch Hardware Installation Guide
9