•
SCB LEDs—Two LEDs, OK and FAIL, indicate the status of each SCB. Green indicates
OK and red indicates a failure. The SCB LEDs are located on the left of the craft interface
along the bottom.
•
Fan LEDs—Two LEDs indicate the status of the fans. Green indicates the fans are
functioning normally and red indicates a fan has failed. The fan LEDs are located on
the upper left of the craft interface.
Component LEDs
The following LEDs are located on various router components and display the status of
those components:
•
DPC LED—One LED labeled OK/FAIL on eachDPC faceplateindicatesthe DPC's status.
For more information, see the MX Series Interface Module Reference.
•
FPC LED—One LED labeled OK/FAIL on each FPC faceplate indicates the FPC's status.
•
MPC LED—One LED labeled OK/FAIL on each FPC faceplate indicates the FPC's status.
•
MIC LED—One LED labeled OK/FAIL on each MIC faceplate indicates the MIC's status.
For more information, see the MX Series Interface Module Reference.
•
PIC LED—One LED labeled OK/FAIL on each PIC faceplate indicates the PIC's status.
For more information, see the MX Series Interface Module Reference.
•
SCB LEDs—Three LEDs, labeled FABRIC ACTIVE, FABRIC ONLY, and OK/FAIL, on each
SCB faceplate indicate the status of the SCB. If no LEDs are lit, the master RE might
still be booting or the SCB is not receiving power.
•
Routing Engine LEDs—Four LEDs, labeled MASTER, HDD, ONLINE, and FAIL on each
Routing Engine faceplate indicate the status of the Routing Engine and hard disk drive.
•
Power supply LEDs—Two LEDs on each power supply faceplate indicate the status of
that power supply.
Juniper Networks Technical Assistance Center
If you need assistance during troubleshooting, you can contact the Juniper Networks
Technical Assistance Center (JTAC) by using the Web or by telephone.
Related
Documentation
Troubleshooting the MX480 Cooling System on page 442•
• Troubleshooting the MX480 DPCs on page 442
• Troubleshooting the MX480 FPCs on page 444
• Troubleshooting the MX480 PICs on page 449
• Troubleshooting the MX480 MPCs on page 447
• Troubleshooting the MX480 MICs on page 446
• Troubleshooting the MX480 Power System on page 449
441Copyright © 2017, Juniper Networks, Inc.
Chapter 30: Troubleshooting Components
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