Ground The Chassis - Extreme Networks 9920 Installation Manual

Install the Device and the Components
6. Insert the Extreme 9920 into the rack or cabinet.
Figure 14
Figure 14: Inserting the Extreme 9920 into the rack
a. Pull the middle rails, and the raceways inside them, to full extension from the rack so that they
lock into place.
b. Align the sliding rails that are attached to the Extreme 9920 with the middle rails on the rack and
slide the device along the rails until it reaches the extension latch.
c. Toggle the extension latch on the inner rails and finish sliding the device into the rack.
d. Secure the mounting brackets to the rack by screwing the thumbscrews on the mounting
brackets into the installed M5 cage nuts.

Ground the Chassis

Ground the chassis before you install power supplies or connect power and network cables to the
system.
1. Locate the grounding point at the rear of the chassis, which is marked by the international symbol
for earth ground.
2. Insert a retaining screw into the grounding point, but do not tighten the reataining screw completely.
3. Strip the insulation to expose 1/2 inch (12 mm) of bare wire at one end of the grounding wire.
4. Use a straight-tip torque screwdriver to tighten the retaining screw to 20 in‑lb (2.25 N m).
5. Connect the other end of the grounding wire to a known reliable earth ground point at your site.
illustrates how to insert the Exteme 9920 into the rack.
9920 Network Packet Broker Hardware Installation Guide

Ground the Chassis

37