3Com NJ240FX Switch User Manual


 
Troubleshooting the NJ240FX
60
Amber LED on Port 1 is
not on
Power is not being
forwarded to network
device
Make sure the cable is properly
connected to Port 1 of the IntelliJack.
Make sure the cable is properly
connected to the powered device.
Make sure the IntelliJack is configured
to match the cable - either straight
through or crossover.
Make sure the powered device is IEEE
802.3af compatible.
Make sure the power requirement for
the powered device does not exceed 7
watts. The IntelliJack can only forward
up to 7 watts.
Power LED is blinking
continuously
Unit has detected a problem.
Traffic can pass through, but
management will not work.
Contact 3Com Technical Support.
Authentication Failure Wrong password has been
entered
Confirm correct password and re-
type.
Timeout Device did not respond
within a specified period of
time
Refresh the screen after a few
seconds. If the problem persists, try to
rediscover the device.
Attributes Error Unexpected configuration
parameters
Confirm that you have specified valid
parameter values and retry the
configuration operation.
NOTE: This error should not appear to
the user under normal conditions.
General Error Something other than
authentication failure,
timeout or attributes error
has occurred
Retry the operation you were
performing.
NOTE: This error should not appear to
the user under normal conditions.
Event/Message Description Solution