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2. Will the call service and the ADSL access service influence each other?
The HG520b separates the voice from the data signals by the FDM technique. Though
being transmitted through the same telephone line, voice and data traffic do not
interfere with each other and neither of the two services will be influenced.
3. How to restore the default factory settings?
If you cannot get online, for you changed the working parameters of the HG520b, try to
restore the default settings of the HG520b as follows.
1.
Find the RESET Button of the HG520b.
2.
Use a pin to press the RESET button, and then release it after 6 seconds.