Problem Solving A-7
Problem Solving Using the LEDs
The Network Activity
LED is off.
There is low network
activity or no network
activity.
Ensure that the network
is active. If the Network
Activity LED still fails
to turn on, then turn the
unit off momentarily by
removing it from the
power supply. Check
that the Network
Activity LED blinks
momentarily during the
LED powerup self test.
The module or another
unit in the DEChub
may not be connected
to an active segment.
Connect a known active
segment to any unit in
the DEChub.
If the module is
connected to a known
active segment and the
Network Activity
LED is off, then the
module is defective.
Replace the module.
The Port LED is orange.
Diagnostics has
detected a fatal error
on the modem port.
Call your DIGITAL
representative.
Table A-3: Problem Solving Using the LEDs
Symptom
Probable Cause
Corrective Action
