Connecting The Qfx10002 To Ground - Juniper QFX10002 Hardware Manual

Connecting the QFX10002 to Ground

Copyright © 2019, Juniper Networks, Inc.
To ensure proper operation and to meet safety and electromagnetic interference (EMI)
requirements, you must connect the QFX10002 to earth ground before you connect it to
power. You must use the protective earthing terminal on the side of the switch chassis
to connect the device to earth ground.
For installations that require a separate grounding conductor to the chassis, you must
attach a grounding cable with a grounding lug to the QFX10002 (see
NOTE: A ground connection to the protective earthing terminal is not required
for an AC-powered switch. The AC power cords provide adequate grounding
when you connect the power supply in the switch to a grounded AC power
outlet by using the AC power cord appropriate for your geographical location.
See "AC Power Cord Specifications for a QFX Series Device" on page
CAUTION: If an external ground connection is required, ensure a licensed
electrician has attached an appropriate cable lug to the groundingr cable
that your supply. A cable with an incorrectly attached lug can damage the
switch (for example, by causing a short circuit).
NOTE: Mount your switch in the rack or cabinet before attaching the grounding
lug to the switch. See
Ensure that you have the following parts and tools available:
Grounding cable for your QFX10002 device—The grounding cable must be 8 AWG (8.4
mm²), minimum 90° C wire, or as permitted by the local code.
Grounding lug for your grounding cable—The grounding lug required is a Panduit
LCD6-14BH-L or equivalent.
Two #10-32 UNF screws and washers.
Screwdriver appropriate for the #10-32 UNF screws.
To connect earth ground to a QFX10002:
Connect one end of the grounding cable to a proper site earth ground, such as the
1.
rack in which the switch is mounted.
Place the grounding lug, which is attached to the grounding cable, over the protective
2.
earthing terminal on the chassis. See
Chapter 3: Initial Installation and Configuration
"Mounting a QFX10002 in a Rack" on page
Figure 37 on page 98.
Figure 37 on page 98).
57.
92.
97