• Supported Platforms
• M120 Routers

• Related Topics
• M120 Router Chassis Description
• Installation Safety Warnings for M Series, MX Series, and T Series Routers
• M120 Chassis Lifting Guidelines

M120 Router Installation Summary

To install the M120 router:

1. Prepare your installation site.

   See M120 Site Preparation Checklist.

2. Review the safety guidelines.

   See General Laser Safety Guidelines for the M120 Router.

3. Unpack the router and verify the parts.
   • Unpacking the M120 Router
   • Verifying M120 Parts Received
4. Install the mounting hardware.
   • Installing the Mounting Hardware for a Front-Mount Four-Post Rack or Cabinet
   • Installing the Mounting Hardware for a Front-Mount Open-Frame Rack
   • Installing the Mounting Hardware for a Center-Mount Open-Frame Rack
5. Install the router.
   • Installing the M120 Router Using a Mechanical Lift
   • Installing the M120 Router Without Using a Mechanical Lift
6. Connect cables to the network and external devices.

   See Connecting the M120 Router to Management and Alarm Devices.

7. Connect the grounding cable.

   See Connecting the Grounding Cable to the M120 Router.

8. Connect the AC power cord or DC power cables:
   • Connecting Power to an AC-Powered M120 Router
   • Connecting Power to a DC-Powered M120 Router
9. Power on the router.

   See Powering On the M120 Router.

10. Perform the initial system configuration.

    See Initially Configuring JUNOS Software on the M120 Router.