Installing An Mx240 Scb; Figure 157: Removing An Scb - Juniper MX240 Hardware Manual

Installing an MX240 SCB

Copyright © 2017, Juniper Networks, Inc.

Figure 157: Removing an SCB

To install an SCB (see Figure 107 on page
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
1.
ESD points on the chassis.
Carefully align the sides of the SCB with the guides inside the chassis.
2.
Slide the SCB into the chassis until you feel resistance, carefully ensuring that it is
3.
correctly aligned.
Grasp both ejector handles, and rotate them simultaneously clockwise until the SCB
4.
is fully seated.
Place the ejector handles in the proper position, vertically and toward the center of
5.
the board.
Check the LEDs on the SCB faceplate to verify that it is functioning normally.
6.
The green LED should light steadily a few minutes after the SCB is installed.
OK/FAIL
If the LED is red, remove and install the SCB again. If the
OK/FAIL
lights steadily, the SCB is not functioning properly. Contact your customer support
representative.
Check the status of the SCB using the
7.
user@host> show chassis environment cb
CB 0 status:
State
Chapter 27: Replacing Switch Fabric Components
262):
show chassis environment cb
Online Master
LED still
OK/FAIL
command:
357