Specifications

61203153L3-20 Express 3000 SP User Manual 8-1
Chapter 8
Troubleshooting
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.