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Troubleshooting
Chapter 8
TROUBLESHOOTING GUIDELINES
This section provides troubleshooting techniques to resolve problems
that may be encountered while operating the Express 3000 SP. If prob-
lems persist, contact ADTRAN technical support for assistance (see
the inside back cover of this manual for more information). Topics
covered in this chapter are listed below:
•
PWR / LINE LED is off. See page 8-1
•
Dial-up connection problems. See page 8-2
•
Express 3000 SP not detected. See page 8-3
Difficulty with 230.4 kbps operation. See page 8-3
•
•
Dial-up networking difficulty. See page 8-4
PWR / LINE LED is off.
This could indicate a problem with the power to the unit.
1.
Verify that the power cord is connected to the Express 3000 SP,
and that it is plugged into a working 120 volt AC electrical out-
let.
2.
If the unit is in Life Line POTS mode (powering from the span),
this represents correct operation.
61203153L3-20
Express 3000 SP User Manual
8-1
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