Juniper M120 Hardware Manual page 152

M120 Multiservice Edge Router Hardware Guide
126
Remove the router from the shipping container as described in
3.
Router" on page 113.
Install the mounting hardware as described in
4.
a Front-Mount Four-Post Rack or Cabinet" on page
Hardware for a Front-Mount Open-Frame Rack" on page
Hardware for a Center-Mount Open-Frame Rack" on page
CAUTION: Before front mounting the router in a rack, have a qualified
technician verify that the rack is strong enough to support the router's weight
and is adequately supported at the installation site.
To install the router using a lift (see
Ensure that the rack is in its permanent location and is secured to the building. Ensure
1.
that the installation site allows adequate clearance for both airflow and maintenance.
For details, see "M120 Clearance Requirements for Airflow and Hardware Maintenance"
on page 85.
Load the router onto the lift, making sure it rests securely on the lift platform.
2.
Using the lift, position the router in front of the rack or cabinet, centering it in front of
3.
the mounting shelves.
Lift the chassis approximately 0.75 in. above the surface of the mounting shelves and
4.
position it as close as possible to the shelves.
Carefully slide the router onto the mounting shelves so that the bottom of the chassis
5.
and the mounting shelves overlap by approximately two inches.
Slide the router onto the mounting shelves until the mounting brackets or
6.
front-mounting flanges contact the rack rails or spacer bars (depending on your type
of installation). The shelves ensure that the holes in the mounting brackets and the
front-mounting flanges of the chassis align with the holes in the rack rails.
Move the lift away from the rack.
7.
If you are installing the router in a four-post rack or cabinet, install a mounting screw
8.
into each of the holes aligned with the threaded holes in the spacer bars. If you are
"Installing the Mounting Hardware for
119, "Installing the Mounting
121, or
Figure 31 on page 127):
Copyright © 2018, Juniper Networks, Inc.
"Unpacking the M120
"Installing the Mounting
123.