Installing An M120 Routing Engine; Figure 72: Removing An M120 Routing Engine - Juniper M120 Hardware Manual

M120 Multiservice Edge Router Hardware Guide
148

Figure 72: Removing an M120 Routing Engine

Installing an M120 Routing Engine

To install a Routing Engine into a CB (see Figure 73 on page 149):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Ensure that the ejector handles are not in the locked position. If necessary, press the
2.
red tabs and flip the ejector handles outward.
Place one hand underneath the Routing Engine to support it. With the other hand,
3.
grasp one of the ejector handles on the faceplate.
Carefully align the sides of the Routing Engine with the guides inside the opening on
4.
the CB.
Slide the Routing Engine into the CB until you feel resistance, then press the Routing
5.
Engine's faceplate until it engages the connectors.
Press both the ejector handles inward to seat the Routing Engine.
6.
The Routing Engine might require several minutes to boot.
After the Routing Engine boots, verify that it is installed correctly by checking the
7.
and LEDs on the craft interface. If the router is operational and the Routing Engine
RE1
is functioning properly, the green
steadily instead, remove and install the Routing Engine again. If the red
lights steadily, the Routing Engine is not functioning properly. Contact your customer
support representative.
To check the status of the Routing Engine, use the CLI command:
user@host> show chassis routing-engine
Routing Engine status:
Master ...
For more information about using the CLI, see the Junos OS documentation.
OK LED lights steadily. If the red
Slot 0: Current state
Copyright © 2010, Juniper Networks, Inc.
RE0
FAIL LED lights
LED still
FAIL