Related
Documentation
Mounting a QFX3500 Device in a Rack or Cabinet on page 261•
• Installing and Connecting a QFX3500 Device on page 259
Mounting a QFX3500 Device in a Rack or Cabinet
You can mount a QFX3500 device on four posts in a 19-in. rack or cabinet by using the
mounting brackets and installation blades provided with the device. (The remainder of
this topic uses “rack” to mean “rack or cabinet.”) The front and rear rack rails must be
spaced between 28 in. (71.1 cm) and 36 in. (91.4 cm) front to back.
The holes in the mounting brackets and installation blades are placed at 1 U (1.75 in., or
4.45 cm.) apart so that the device can be mounted in any rack that provides holes spaced
at that distance.
Before you begin mounting a QFX3500 device on the rack or cabinet:
•
Ensure that you understand how to prevent electrostatic discharge (ESD) damage.
See “Prevention of Electrostatic Discharge Damage” on page 192.
•
Verify that the site meets the requirements described in “Site Preparation Checklist
for a QFX3500 Device” on page 86.
•
Place the rack in its permanent location, allowing adequate clearance for airflow and
maintenance, and secure it to the building structure.
•
Read “General Site Guidelines” on page 87, with particular attention to “Chassis Lifting
Guidelines for a QFX3500 Device” on page 176.
•
Remove the device from the shipping carton (see “Unpacking a QFX3500 Device” on
page 260).
Ensure that you have the following parts and tools available to mount the device on four
posts in a rack:
•
ESD grounding strap (provided).
•
One pair of rear installation blades. These installation blades support the rear of the
chassis, and must be installed (provided).
•
Eight screws to secure the chassis and rear installation blades to the rack (not provided).
•
Appropriate screwdriver for the mounting screws (not provided).
WARNING: The QFX3500 device must be supported at all four corners.
Mounting the chassis using only the front brackets will damage the chassis
and can result in serious bodily injury.
CAUTION: If you are installing the QFX3500 device above 60 in. (152.4 cm)
from the floor, you must remove the power supplies, fan trays, and
261Copyright © 2012, Juniper Networks, Inc.
Chapter 21: Installing a QFX3500 Node Device
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