Juniper EX8208 Hardware Manual page 155

Ensure that you have the following parts and tools available to mount the switch on a rack or cabinet:
A Phillips (+) screwdriver, number 2 or number 3, depending on the size of your rack mounting screws,
for mounting the switch on a rack or cabinet
A Phillips (+) screwdriver, number 1, to remove the power supplies from the chassis if you are mounting
the switch without using a mechanical lift
24 mounting screws appropriate for your rack
To mount the EX8208 switch on a rack or cabinet (see
1. In a four-post rack or cabinet, install the adjustable mounting brackets at the desired position (see
Installing Adjustable Mounting Brackets in a Rack or Cabinet for an EX8200 Switch).
In a two-post rack or cabinet, install the power cord tray (see Installing the Power Cord Tray in a Rack or
Cabinet for an EX8200 Switch). The power cord tray is optional for four-post rack installation.
2. Lift the chassis into the rack using a mechanical lift. For instructions on how to install the chassis using
a mechanical lift, see
page 157.
In a four-post rack, place the chassis on the adjustable mounting brackets. In a two-post rack, place
the front edge of the chassis on the lip of the power cord tray with at least three people supporting
the rear of the chassis until you can bolt the chassis into the rack.
If a mechanical lift is not available, remove all components and ensure that at least three people are
available to lift the empty chassis into the rack. For instructions on how to install the chassis without
using a mechanical lift, see
Mechanical Lift" on page
3. Insert 24 mounting screws appropriate for your rack (not provided) into the aligned holes. Use the
appropriate Phillips (+) screwdriver to tighten the screws to the rack or cabinet rail.
"Mounting an EX8208 Switch on a Rack or Cabinet Using a Mechanical Lift" on
"Mounting an EX8208 Switch on a Rack or Cabinet Without Using a
159.
Figure 42 on page 156 and Figure 43 on page 156):
155