SpeedStream PPPoE Modem
17
Troubleshooting
Connection problems usually occur when the modem’s software configuration contains incomplete or
incorrect information. The modem’s diagnostic tools can help you identify and solve many of these
problems.
Basic Troubleshooting Steps
Before contacting Technical Support, you should attempt to resolve the issue by following these steps:
1. Check the LEDs on the front panel to diagnose the possible problem.
2. Check specific issues addressed in this chapter, and follow the instructions for resolving the problem.
3. Reboot the modem. Any settings you have configured will be saved.
4. Reset the modem only as a last resort. You will lose any settings you have configured.
Interpreting the LED Display
The LED indicators on the front of the modem give you a visual clue to the modem activity. When the
modem is configured and working correctly, all LED indicator lights turn a solid green. The following
table shows the possible states indicated by the LEDs. If the LEDs indicate a problem, refer to Resolving
Specific Issues.
LED pwr dsl usb enet
Off
No power to modem - No power to modem
- DSL signal not
detected
- No power to modem
- No USB device
connected
- USB driver not
installed or installed
incorrectly
- No power to modem
- No Ethernet device
connected
- Wrong Ethernet
cable used (cross-
over instead of
straight-through)
Green
Normal system
operation
Connected and ready
for data traffic
Normal USB
operation, link okay,
no user traffic
Normal Ethernet
operation, link okay,
no user traffic
Blinking
Green
N/A
Steady blinking:
DSL attempting to
connect
Sporadic blinking:
DSL connected and
user traffic flowing
USB user traffic
flowing in either
direction
Ethernet user traffic
flowing in either
direction
Blinking
Red/Green
Flash Write in
progress
N/A N/A N/A
Red
- POST tests in
progress (first 30 sec.
after powering on or
rebooting)
- POST error occurred
N/A N/A N/A
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