Extreme Networks 8720 Hardware Installation Manual page 42

Attaching the Switch to a Four-Post Rack
8. On both sides, locate the sliding rails (intermediate members) in the slider
assemblies, and pull them out to their full extent. See Figure
Assembly to Fit the Rack .
Figure 12: Extending the Slider Assembly to Fit the Rack
The sliding rails remain attached to the slider assembly.
9. Screw the mounting ear thumbscrews into the rack rails to hand tightness.
10. Lift the switch into position and insert the mounting brackets into the slider
assemblies on both sides.
11. Push gently until both mounting brackets engage with the slider assemblies. See
the Figure
Figure 13: Engaging the Mounting Brackets with the Rail Assemblies
42 Extreme 8720 Switch Hardware Installation Guide
Engaging the Mounting Brackets with the Rail Assemblies .
Installing Your Device
Extending the Slider