Installing A Routing Engine; Figure 45: Removing A Routing Engine - Juniper MX240 Hardware Manual

NOTE: To maintain proper airflow through the chassis, do not leave an SCB installed
in the chassis without a Routing Engine for extended periods of time. If a Routing
Engine is removed, a replacement Routing Engine should be installed as soon as
possible.

Figure 45: Removing a Routing Engine

Installing a Routing Engine

To install a Routing Engine into an SCB (see Figure 46 on page 104):
1.
2.
3.
4.
5.
6.
The Routing Engine might require several minutes to boot.
After the Routing Engine boots, verify that it is installed correctly by checking the
RE0
Engine is functioning properly, the green
LED lights steadily instead, remove and install the Routing Engine again (see
"Removing a Routing Engine" on page 102 and "Installing a Routing
Engine" on page 103). If the red
not functioning properly. Contact your customer support representative.
To check the status of the Routing Engine, use the CLI command:
Ensure that the ejector handles are not in the locked position. If necessary, flip
the ejector handles outward.
Place one hand underneath the Routing Engine to support it.
Carefully align the sides of the Routing Engine with the guides inside the opening
on the SCB.
Slide the Routing Engine into the SCB until you feel resistance, and then press
the Routing Engine's faceplate until it engages the connectors.
Press both of the ejector handles inward to seat the Routing Engine.
Tighten the captive screws on the left and right of the Routing Engine.
and LEDs on the craft interface. If the router is operational and the Routing
RE1
Chapter 13: Replacing Hardware Components
ONLINE LED lights steadily. If the red
LED still lights steadily, the Routing Engine is
FAIL
Replacing a Routing Engine
FAIL
103