Appendix A - Troubleshooting; Using Leds To Diagnose Problems; Problem: Power Led Doesn't Light Up; Problem: Ethernet Led Doesn't Light Up - E-data DSL-2120 Series User Manual

Appendix A - Troubleshooting

This chapter covers potential problems and the corresponding remedies.
A.1 Using LEDs to Diagnose Problems
The Light-Emitting Diodes (LED) are useful aides for finding the possible causes of
problems.
A.1.1 Problem: POWER LED Doesn't Light Up
The Power (PWR) LED on the front panel does not light up.
STEPS
1 Make sure that the DSL-2120/2120W's power adaptor is connected to the
DSL-2120/2120W and plugged in to an appropriate power source. Use only the
supplied power adaptor.
2 Check that the DSL-2120/2120W and the power source are both turned on and the
DSL-2120/2120W is receiving sufficient power.
3 Turn the DSL-2120/2120W off and on.
4 If the error persists, you may have a hardware problem. Contact your vendor.
A.1.2 Problem: ETHERNET LED Doesn't Light Up
The LAN LED on the front panel does not light up.
STEPS
1 Check the Ethernet cable connections between your DSL-2120/2120W and the
computer or hub.
2 Check for faulty Ethernet cables.
3 Make sure your computer's Ethernet card is working properly.
4 If the error persists, contact your local distributor for assistance.
A.1.3 Problem: DSL LED Doesn't Light Up
The DSL LED on the front panel does not light up.
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Apr. 23, 2008