Troubleshooting The M7I Fic Or Pics - Juniper M7i Hardware Manual

Related
Documentation

Troubleshooting the M7i FIC or PICs

Problem
Solution
Copyright © 2019, Juniper Networks, Inc.
For more information about cooling-related alarms, see
Messages" on page 200.
To troubleshoot the fans:
If the red alarm LED on the craft interface lights, use the
to determine the source of the problem. The display reports the number of alarm
conditions and the source of each alarm. For a list of messages, see
Interface Alarm Messages" on page
Issue the
show chassis alarms
alarm condition.
If both power supplies have failed, the system temperature might have exceeded the
threshold, causing the system to shut down. See
System When the LEDs on All M7i Power Supplies Are Blinking or Off" on page
If the fan tray has failed, it must be replaced for the router to operate normally. For
replacement instructions, see
about returning a faulty component to Juniper Networks, see
Support" on page 211.
M7i Power System Description on page 59
M7i Router Power Requirements on page 79
Maintaining the M7i Power Supplies on page 194
Powering On the M7i Router on page 125
Description: The FIC or PICs are not functioning normally.
To troubleshoot the FIC or PICs:
To check the status of each port on a FIC or PIC, look at the LED located on the
faceplate. For information about the meaning of LED states on different PICs, see the
M7i Multiservice Edge Router Interface Module Reference.
To check the status of an interface, issue the
The following example specifies an FPC slot number (
user@host> show chassis fpc pic-status 0
Slot 0 Online PIC 0
OC-3 ATM, MM
For further description of the output from the command, see the
Chapter 29: Troubleshooting Components
200.
command for more information about the source of an
"Troubleshooting the M7i Power
"Replacing the M7i Fan Tray" on page
show chassis fpc pic-status
2x OC-3 ATM, MM PIC 1
"Hardware and Interface Alarm
show chassis alarms command
"Hardware and
206.
137. For instructions
"Contacting Customer
command.
), which is optional.
0
2x CT3-NxDS0 PIC 2
CLI Explorer .
2x
205