Paradyne Hotwire 8774 User Manual page 65

M/sdsl termination unit with dsx-1 interface
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Troubleshooting
8774-A2-GB20-10
This 8774 Termination Unit is designed to provide you with many years of
trouble-free service. If a problem occurs, however, refer to Table 6-2 for possible
solutions.
Table 6-2. Troubleshooting (1 of 2)
Symptom
Possible Cause
Alarm LED is on.
A system failure has
occurred.
Cannot access the
The terminal is not set up
8774 Termination
for the correct rate or data
Unit via the ATI.
format, or the 8774
Termination Unit is
configured so it prevents
access.
Device Fail appears
The 8774 Termination Unit
on the System and
detects an internal
Test Status screen
hardware failure.
under Self-Test
results.
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.
December 1998
Messages and Troubleshooting
Solutions
Refer to Table 4-1,
Health and
Status
Messages, for
recommended action.
H
Check the cable and
connections.
H
Ensure that the 8774 Termination
Unit is configured properly in the
DSLAM. Verify its IP address.
H
Reset the 8774 Termination Unit.
H
Reset the 8774 Termination Unit.
H
Contact your service
representative.
Check that the power cord is
securely attached at both ends.
H
Check the wall receptacle power
by plugging in some equipment
that is known to be working.
H
Check the circuit breaker.
H
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.
6-5

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