Troubleshooting - ADTRAN 3000 User Manual

Chapter 8
TROUBLESHOOTING GUIDELINES
This section provides troubleshooting techniques to resolve problems
that may be encountered while operating the Express 3000. 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 8-2
• PWR / LINE LED flashes, and 1 and 2 LEDs are off. See page 8-2
• PWR / LINE LED, and 1 and 2 LEDs flash green. See page 8-2
• Dial-up connection problems. See page 8-4
• Auto-detect Switch SPIDs remains at Link Down. See page 8-5
Express 3000 not detected. See page 8-6
•
• External analog modem not detected. See page 8-6
• Difficulty with 230.4 kbps operation. See page 8-7
• Dial-up networking difficulty. See page 8-7
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Troubleshooting

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