3Com IntelliJack NJ225 User Manual page 76

Troubleshooting the NJ225
Event/Message
Green LEDs on Ports 1-4
are not on
Amber LED on Port 4is
not on
Power LED is blinking
continuously
Authentication Failure
Timeout
Attributes Error
General Error
72
Description
Network device has no
connection to IntelliJack
Power is not being
forwarded to network
device
Unit has detected a problem.
Traffic can pass through, but
management will not work.
Wrong password has been
entered
Device did not respond
within a specified period of
time
Unexpected configuration
parameters
Something other than
authentication failure,
timeout or attributes error
has occurred
Solution
Make sure the cable is properly
I
connected to the network device.
Make sure the cable is firmly
I
connected to one of the four
IntelliJack ports labeled 1-4.
Make sure the cable is a good
I
straight-through cable.
Make sure the cable is properly
I
connected to Port 4 of the IntelliJack.
Make sure the cable is properly
I
connected to the powered device.
Make sure the IntelliJack is configured
I
to match the cable - either straight
through or crossover.
Make sure the powered device is IEEE
I
802.3af compatible.
Make sure the power requirement for
I
the powered device does not exceed 7
watts. The IntelliJack can only forward
up to 7 watts.
Contact 3Com Technical Support.
I
Confirm correct password and re-
I
type.
Refresh the screen after a few
I
seconds. If the problem persists, try to
rediscover the device.
Confirm that you have specified valid
I
parameter values and retry the
configuration operation.
NOTE: This error should not appear to
I
the user under normal conditions.
Retry the operation you were
I
performing.
NOTE: This error should not appear to
I
the user under normal conditions.