6. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
7. Remove and replace the SCB-MX in slot 2 on the router (SCB 2) with the SCBE. Use the procedure
described in
"Replacing an MX960 SCB" on page
8. Verify that the installation is successful and the SCBE is online:
user@host> show chassis environment cb 2
CB 2 status
State
Online
Temperature 30 degrees C / 86 degrees F
9. Verify that the fabric planes come online correctly by issuing the show chassis fabric summary command:
user@host> show chassis fabric summary
Plane
State Uptime
4 Online 2 minutes, 25 seconds
5 Online 2 minutes, 15 seconds
10. Verify the alarms:
user@host> show chassis alarms
Alarm Time
Class Description
2011-06-01 13:26:56 EDT Major CB fabrics are of mixed types
2011-06-01 12:10:41 EDT Major Require a fan tray upgrade
Because only one SCB-MX has been upgraded, the alarm indicates that the SCBs are of mixed type.
This alarm is cleared after all the control boards are upgraded.
Upgrade the SCB-MX in the Backup Routing Engine Slot 1 (SCB 1)
1. Power down the backup Routing Engine from the master Routing Engine by issuing the request system
power-off other-routing-engine command.
2. Ensure that the Routing Engine is powered down by issuing the show chassis routing-engine 1 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
561.
569