Huawei MT880 Manual Do Utilizador

6 

Power light is out. 

1. 

Ensure the 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, try to test with a telephone; 

3.  Check that there is no junction box before 

connecting MT880, which has such components like 
capacitors or diodes that could hinder back high 
frequency signals; 

4.  Ensure the Router and telephones are properly 

connected; 

LAN LINK light is 
out.  

1. 

Ensure you use the right cables from the Router to 
your PC; 

2. 

Ensure the connection is secured; 

3. 

Check if the NIC LED lights up; 

4.  Ensure your NIC works normally by examining 

whether the item of “Networking Device” 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; 

Can’t access the 
Internet. 

Take the most common access mode as an example, in 
which a dial-up application is installed on the user’s PC: 
1.  Ensure that any of the problems above is not the 

reason; 

2.  Ensure that the dial-up application is correctly 

installed and set on your PC; 

3.  Ensure that you have entered the right user name 

and password; 

4.  Ensure “Use Proxy Server” is set properly for IE, if 

the problem still remains even after you have log 
into successfully; 

5. 

Try more than one Web sites, in case of some Web 
server’s being in failure;