Cisco Firepower 4110 Hardware Installation Manual page 54

Rack-Mount the Chassis
Figure 36: Attach the Inner Rail to the Side of the Chassis
1 Front of chassis
M3 x 6-mm screw (one per side)
3
Step 3
Open the front securing plate on both slide-rail assemblies. The front end of the slide-rail assembly has a spring-loaded
securing plate that must be open before you can insert the mounting pegs into the rack-post holes.
On the outside of the assembly, push the green arrow button toward the rear to open the securing plate.
Figure 37: Front Securing Mechanism Inside the Front End
Cisco Firepower 4110, 4120, 4140, and 4150 Hardware Installation Guide
50
Rack-Mount and Ground the Chassis
2 Inner rail