JUNOS Internet Software Network Operations Guide: Hardware
74 ! Using the Basic Monitoring Method
Table 25 lists the alarms that the chassis components can generate on an M320
router.
Table 25: M320 Router Chassis Component Alarm Conditions
Chassis
Component
Alarm Condition Remedy
Alarm
Severity
Air filters Change the air filter. Change the air filter. ------------------------
Alternative media The router boots from an
alternate boot device: the hard
disk. Typically, the router
boots from the flash drive
. If
you configure your router to
boot from the hard disk,
ignore this alarm condition.
For technical support,
open a support case
using the Case Manager
link at
http://www.juniper.net
/support/
or call
1-888-314-JTAC (within
the United States) or
1-408-745-9500 (outside
the United States).
Yellow
Control Board A Control Board was removed. Insert a Control Board
into the empty slot.
Yellow
A Control Board temperature
sensor alarm failed.
Replace the failed
Control Board.
Yellow
A Control Board failed. Replace the failed
Control Board.
Red
CIP A CIP is missing. Insert a CIP into an
empty slot.
Red
Craft interface The craft interface failed. Replace the failed craft
interface.
Red
Fan trays One fan tray was removed
from the chassis.
Install the missing fan
tray.
Yellow
Two or more fan trays were
removed from the chassis.
Install the missing fan
trays.
Red
One fan in the chassis is not
spinning or is spinning below
the required speed.
Replace the fan tray. Red
FPC An FPC has an out of range or
invalid temperature reading.
Replace the failed FPC. Yellow
An FPC microcode download
has failed.
Replace the failed FPC. Red
An FPC failed. If this occurs,
the FPC attempts to reboot. If
the SCB sees that an FPC is
rebooting too often, it shuts
down the FPC.
Replace the failed FPC. Red
Too many hard errors in FPC
memory.
Replace the failed FPC. Red
Too many soft errors in FPC
memory.
Replace the failed FPC. Red
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