Juniper MX480 Hardware Manual page 413

Plane State Uptime
0 Offline
1 Online 3 minutes, 45 seconds
Verify that the state of plane 0 is Offline.
9. Take the remaining fabric planes offline by issuing the request chassis fabric plane 1/2/3 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 4.
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:
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.
13. Remove and replace the offline SCB-MX on the router with the SCBE-MX. Use the replacement
procedure described in
14. Verify that the installation is successful and SCB 0 is online by issuing the show chassis environment
cb 0 command:
user@host> show chassis environment cb 0
CB 0 status
State Online
Temperature 30 degrees C / 86 degrees F
Other details, such as power, are also displayed along with the state.
15. Verify that the fabric planes come online correctly by issuing the show chassis fabric summary command:
user@host> show chassis fabric summary
"Replacing an MX480 Switch Control Board" on page 408.
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