Cisco Catalyst 6880-X Installation Manual page 23

Installing the Switch
Step 6 Install all fourteen 10-32 or 12-24 screws (seven on each side) through the cable guide mounting holes,
rack-mount L bracket holes, rack post holes, and into the clip nuts to secure the cable guides and the chassis
to the rack post. Tighten the screws securely.
Step 7
Secure the chassis using fourteen screws through the holes in the L bracket and into the rack post holes.
Figure 17: Chassis in a rack with L brackets at original position
Figure 18: Chassis in a rack with L brackets at inverted position
OL-30827-02
Rack Mouting the Chassis
Catalyst 6880-X Switch Hardware Installation Guide
23