Juniper MX240 Hardware Manual page 382

MX240 3D Universal Edge Router Hardware Guide
352
Take the SCB in slot 0 offline by issuing the
10.
Verify that the control board is offline by issuing the
11.
command:
user@host> show chassis environment cb 0
CB 0 status:
State Offline
Power 1 Disabled
Power 2 Disabled
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
12.
the strap to one of the ESD points on the chassis.
Remove and replace the offline SCB on the router with the SCBE. Use the replacement
13.
procedure described in
Verify that the installation is successful and SCB0 is online by issuing the
14.
command:
environment cb 0
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.
Verify that the fabric planes come online correctly by issuing the
15.
command:
summary
user@host> show chassis fabric summary
Plane State Uptime
0 Online 2 minutes, 5 seconds
1 Online 1 minute, 55 seconds
2 Online 1 minute, 43 seconds
3 Online 1 minute, 33 seconds
Verify that the backup Routing Engine is back online by issuing the
16.
command:
routing-engine 0
user@host> show chassis routing-engine 0
Routing Engine Status:
Slot 0:
Current State Backup
Verify the alarms by issuing the
17.
user@host> show chassis alarms
Alarm Time Class Description
2011-06-01 13:26:56 EDT Major CB fabric links require upgrade/training
2011-06-01 12:10:41 EDT Major Require a fan tray upgrade
The major alarm has changed from
require upgrade/training
request chassis cb offline slot 0
"Removing an MX240 SCB" on page
show chassis alarms
CB fabrics are of mixed types
, as a switch control board requires training to change links
command.
show chassis environment cb 0
356.
show chassis
show chassis fabric
show chassis
command:
to
CB fabric links
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