Paradyne 7110 User Manual page 65

Messages and Troubleshooting
6-6
Table 6-2. Troubleshooting (2 of 2)
Symptom Possible Cause
No power, or the The power cord is not
LEDs are not lit.
securely plugged into the
wall receptacle and into the
rear panel connection.
The wall receptacle has no
power.
Power supply has failed.
An LED is not lit. LED is out.
Not receiving data. The network or data port
cables are not
connected (check front
panel LEDs for more
information).
A test is being executed
on the unit (check the
TEST LED on the front
panel).
The data port is not
assigned to the network.
The far-end device is
off-line.
Power-Up Self-Test The DSU/CSU has
fails. Only Alarm detected an internal
LED is on after hardware failure.
power-up.
June 1997
Solutions
Check that the power cord is
securely attached at both ends.
Check the wall receptacle power
by plugging in some equipment
that is known to be working.
Check the circuit breaker.
Verify that your site is not on an
energy management program.
Replace power supply.
Run the Lamp test. If the LED in
question does not flash with the
other LEDs, then contact your
service representative.
Check network and data port
cables.
Run Loopback tests. Refer to the
Testing, Chapter 5.
Stop the test or wait for the test
to end.
Check the Cross Connect Status
screen. If the data port is not
assigned to any network
timeslots, use the Cross Connect
Assignment screen (under the
Config menu) to connect the port
to the network.
Make sure the far-end device is
on.
Reset the DSU/CSU and try
again.
Contact your service
representative.
7110-A2-GB20-00