JUNOS Internet Software Network Operations Guide: Hardware
80 ! Using the Basic Monitoring Method
Table 27 lists the alarms that the chassis components can generate on a T640
routing node.
Table 27: T640 Routing Node Chassis Component Alarm Conditions
Chassis
Component
Alarm Condition Remedy
Alarm
Severity
Air filter Change the air filter. Change the air filter. ------------------------
Alternative media The router boots from
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 an empty slot.
Yellow
A Control Board temperature
sensor alarm has 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 has 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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