Before You Begin Rack Installation - Juniper QFX5110 Series Hardware Documentation

You can mount a QFX5110 on a four-post 19-in. rack using the mounting kit provided with the switch.
This kit contains two front-mounting rails with two matching rear-mounting blades. This configuration
allows either end of the switch to be mounted flush with the rack and still be adjustable for racks with
different depths.
Space the front and rear rack rails between 23.25in (59cm) to 30.6in (77.7cm) front-to-back.
This topic describes:

Before You Begin Rack Installation

Before you begin mounting a QFX5110 switch in the rack:
1. Ensure that you understand how to prevent electrostatic discharge (ESD) damage. See
Electrostatic Discharge Damage" on page
2. Verify that the site meets the requirements described in
page 90.
3. Place the rack in its permanent location, allowing adequate clearance for airflow and maintenance, and
secure it to the building structure.
4. Read General Site Guidelines, and the QFX5110 Installation Safety Guidelines.
5. Remove the switch from the shipping carton.
6. Ensure that you have the following parts and tools available to mount the switch in a rack:
ESD grounding strap (not provided).
Blades, rails, or brackets (provided).
For four-post installations:
One pair of rear mounting blades. These mounting blades support the rear of the chassis and
must be installed (provided).
One pair of front mounting rails. The mounting blades slide into the mounting rails to support
the switch (provided).
Twelve screws to secure the mounting rails to the chassis (provided).
Eight screws to secure the chassis and rear installation blades to the rack (not provided).
Appropriate screwdriver for the mounting screws (not provided).
Two power cords with plugs appropriate to your geographical location (provided).
242.
"QFX5110 Site Preparation Checklist" on
265
"Prevention of