Huawei Technologies Proprietary
87
6 Troubleshooting Guide
6.1 Quick Troubleshooting
Failures Instructions
Power light
is out.
1. Ensure power adapter is well connected.
2. Ensure the right power adapter is used.
ADSL
LINK light
is out.
1. Ensure the ADSL line is well connected.
2. Ensure the telephone line before entering the
house is valid, and try to test with a telephone.
3. Check that there is no junction box before
connecting MT882, which has such components
like capacitors or diodes that could hinder back
high frequency signals.
4. Ensure the MT882 and telephones are
connected in the right way.
LAN LINK
light is out.
1. Ensure you use the right cables from the MT882
to your PC.
2. Ensure the connection is secured.
3. Check if the NIC LED lights up.
4. Ensure your Network Adapter works normally by
examining whether the item of “Networking
Adapters” is labeled with “?” or “!”. If it is, you
may delete it and then click “Refresh” to reinstall.
Otherwise, you may try the NIC in another slot.
As a last resort, you have to replace the NIC.
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