ADTRAN 3000 - Manual (Page 91)

61203153L2-20 Express 3000 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. 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