Routing Engine Status:
Slot 1:
Current State Present
Ensure that the Current State is Present, which indicates that the Routing Engine is
offline.
3. Take the fabric plane offline by issuing the request chassis fabric plane 4 offline
command. SCB1 has four fabric planes numbered, 4, 5, 6, and 7.
4. Verify that the fabric plane is offline by issuing the show chassis fabric summary
command.
user@host> show chassis fabric summary
Plane State Uptime
4 Offline
5 Online 1 hour, 15 minutes, 35 seconds
Verify that the State of Plane 4 is Offline.
5. Take the remaining fabric planes offline by issuing the request chassis fabric plane
5/6/7 offline command—that is, by changing the fabric plane number each time. Verify
that the fabric planes are offline by issuing the command given in Step 2.
6. Take the SCB in slot 1 offline by issuing the request chassis cb offline slot 1 command.
7. Verify that the control board is offline by issuing the show chassis environment cb 1
command:
user@host> show chassis environment cb 1
CB 1 status:
State Offline
Power 1 Disabled
Power 2 Disabled
8. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
9. Remove and replace SCB1 on the router with the SCBE. Use the replacement procedure
described in “Removing an MX480 SCB” on page 381
10. Verify that the installation is successful and the SCB is online by issuing the show
chassis environment cb 1 command:
user@host> show chassis environment cb 1
CB 1 status
State Online
Temperature 30 degrees C / 86 degrees F
Other details, such as power, are also displayed along with the state.
Copyright © 2017, Juniper Networks, Inc.404
MX480 3D Universal Edge Router Hardware Guide
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