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Troubleshooting the MX2008
IN THIS SECTION
MX2008 Troubleshooting Resources | 489
Troubleshooting the MX2008 Cooling System | 492
Troubleshooting the MX2000 Router Power System | 495
Troubleshooting the MX2008 Host Subsystems | 510
Troubleshooting the MX2008 MICs | 511
Troubleshooting the MX2008 MPCs | 512
MX2008 Troubleshooting Resources
IN THIS SECTION
Command-Line Interface | 489
Chassis and Interface Alarm Messages | 490
Alarm Relay Contacts | 490
Craft Interface LEDs | 490
Component LEDs | 491
Command-Line Interface
To troubleshoot an MX2008 router, you use the Junos OS CLI, alarms, devices connected to the alarm
relay contacts, and LEDs on both the components and craft interface.
LEDs—When the Routing Engine detects an alarm condition, it lights the red or yellow alarm LED on the
craft interface. In addition, you can also use the component-specific LEDs on the craft interface and on
the faceplate of a component to troubleshoot the routing matrix.
Alarm devices connected to the alarm relay contact—When a red or yellow alarm occurs, it trips the
corresponding alarm relay.
489
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