Related
Documentation
M120 Router Chassis Description on page 7•
• M120 Router Physical Specifications on page 82
• M120 Chassis Lifting Guidelines on page 321
• General Safety Warnings for Juniper Networks Devices on page 314
Installing the M120 Router Without Using a Mechanical Lift
If you cannot use a mechanical lift to install the router (the preferred method), you can
install it manually.
Before installing the router manually:
1. Read the safety information in “M120 Chassis Lifting Guidelines” on page 321.
2. Prepare your site and review the guidelines in “M120 Site Preparation Checklist” on
page 81
3. Remove the router from the shipping container as described in “Unpacking the M120
Router” on page 113.
4. Install the mounting hardware as described in “Installing the Mounting Hardware for
a Front-Mount Four-Post Rack or Cabinet” on page 119, “Installing the Mounting
Hardware for a Front-Mount Open-Frame Rack” on page 121, or “Installing the Mounting
Hardware for a Center-Mount Open-Frame Rack” on page 123.
5. Remove components from the chassis.
To install the router in the rack (see Figure 40 on page 141):
CAUTION: If you are installing two or three routers in one rack, install the
lowest one first. Installing a router in the upper position in a rack or cabinet
requires a lift.
CAUTION: Before front mounting the router in a rack, have a qualified
technician verify that the rack is strong enough to support the router'sweight
and is adequately supported at the installation site.
CAUTION: Lifting the chassis and mounting it in a rack requires three people.
The empty chassis weighs approximately 110 lb (49 kg).
139Copyright © 2018, Juniper Networks, Inc.
Chapter 18: Installing the M120 Without a Mechanical Lift
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