Extreme Networks ExtremeSwitching 5720 Series Hardware Installation Manual page 58

Four-Post Rack Mount
Figure 27: Attaching the Outer Rail to the Rack
3. Attach the inner rail to a side of the switch using the M4 screws.
Figure 28: Attaching the Inner Rail to a Side of the Switch
4. Install the switch in the rack.
a. To install the switch in the front of the rack, attach a mounting bracket (ear) to a side of the
switch, using #6-32 screws, so that the mounting ear is flush with the front of the rack.
58 ExtremeSwitching 5720 Series Hardware Installation Guide
Install Your Switch