Juniper MX240 Hardware Manual page 403

Routing Engine Status:
Slot 1:
Current State
Verify 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:
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-MX in slot 1 offline by issuing the request chassis cb offline slot 1 command.
7. Verify that the control SCB-MX is offline:
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 SCB 1 on the router with the SCBE-MX. Use the replacement procedure described
in "Replacing an MX240 SCB-MX" on page
10. Verify that the installation is successful and the SCBE-MX is online:
Present
401.
407