Part 2: Ground The Chassis And Connect Power - Juniper QFX5220-128C Quick Start Manual

12. Continue to support the switch while sliding the two mounting blades into the two mounting rails. Secure the mounting
blades to the rack using the eight remaining mounting screws (and cage nuts and washers if your rack requires them).
Tighten the screws. See
Figure 4: Slide Mounting Blade into Mounting Rail
13. Ensure that the switch chassis is level by verifying that all the screws on the front of the rack are aligned with the
screws at the back of the rack.
14. We recommend that you insert dust covers in any unused ports.

Part 2: Ground the Chassis and Connect Power

To connect earth ground to a QFX5220-128C:
1. Use two 10-32 x 0.25 screws with #10 split-lock washers (not provided) to secure the grounding lug and attached
cable (not provided) to the FRU panel of the chassis. The posts on the grounding lug should point to the right. See
Figure 5.
Figure 4.
5