Juniper MX960 Hardware Manual page 583

6. Ensure that the Routing Engine is powered down by issuing the show chassis routing-engine 0 command.
The slot of the Routing Engine may be 0 or 1, and is shown as 1 in this example:
user@host> show chassis routing-engine 1
Routing Engine Status:
Slot 0:
Current State
Verify that the Current State is Present, which indicates that the Routing Engine is offline or powered
down.
7. Take the first fabric plane of the backup Routing Engine offline by issuing the request chassis fabric
plane offline 1 command.
8. Verify that the fabric plane is offline by issuing the show chassis fabric summary command.
user@host> show chassis fabric summary
Plane State Uptime
1 Offline
2 Online 3 minutes, 25 seconds
Verify that the state of plane 1 is Offline.
9. Take the next fabric plane offline by issuing the request chassis fabric plane offline 0 command and
verify that the fabric plane is offline by issuing the command given in Step 2.
10. Take the SCB-MX in slot 0 offline by issuing the request chassis cb offline slot 0 command.
11. Verify that the control board is offline by issuing the show chassis environment cb 0 command:
user@host> show chassis environment cb 0
CB 0 status:
State Offline
Power 1 Disabled
Power 2 Disabled
12. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
Present
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