1. Secure the provided protective earthing terminal bracket to the threaded post on the
QFX3500 device left front mounting bracket with the nut provided. The posts on the
protective earthing terminal bracket should point to the left. See Figure 76 on page 265.
Figure 76: Connecting a Grounding Cable to a QFX3500 Device
2. Connect one end of the grounding cable to a proper earth ground, such as the rack in
which the device is mounted.
3. Place the grounding lug attached to the grounding cable over the protective earthing
terminal on the protective earthing terminal bracket.
4. Secure the grounding lug to the protective earthing terminal with two nuts.
5. Dress the grounding cable and ensure that it does not touch or block access to other
device components and that it does not drape where people could trip over it.
Related
Documentation
General Safety Guidelines and Warnings on page 161•
• Grounded Equipment Warning on page 183
• Connecting AC Power to a QFX3500 Device on page 265
• Connecting DC Power to a QFX3500 Device on page 267
Connecting AC Power to a QFX3500 Device
The power supply in a QFX3500 device is a hot-removable and hot-insertable
field-replaceable unit (FRU) located on the front panel. You can remove and replace it
without powering off the device or disrupting device functions.
Ensure that you have a power cord appropriate for your geographical location available
to connect AC power to a QFX3500 device.
Before you begin connecting AC power to a QFX3500 device:
•
Ensure that you havetaken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see “Prevention of Electrostatic Discharge Damage” on page 192).
•
Ensure that you have connected the device chassis to earth ground.
265Copyright © 2012, Juniper Networks, Inc.
Chapter 21: Installing a QFX3500 Node Device
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