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Messages and Troubleshooting
6-6
7984-A2-GB20-10
February 1999
Table 6-2. Troubleshooting (2 of 2)
Symptom SolutionsPossible Cause
Not receiving data. H The network or data port
cables are not
connected (check front
panel LEDs for more
information).
H A test is being executed
on the unit (check the
TEST LED on the front
l)
H Check network and data port
cables.
H Run Loopback tests. Refer to
Chapter 5,
Testing
.
H Stop the test or wait for the test to
end.
TEST
LED
on
the
front
panel).
H The far-end unit is
off-line.
H The far-end unit is
running a test.
H An alarm condition exists
in the far-end unit.
H Make sure the far-end device is
on.
H Stop the far-end test.
H Check the far-end Health and
Status messages.
Power-Up Self-Test
fails. Only Power
and Alarm LEDs are
on after power-up.
The unit has detected an
internal hardware failure.
H Reset the unit and try again.
H Contact your service
representative.