Chapter 2: Additional Information
30
z Verify that the cable modem service is Euro-DOCSIS or DOCSIS compliant by calling your
cable provider (DOCSIS on the THG520 will only work if the used frequencies are
between 112-858 MHz).
I don’t hear a dial tone when I use a telephone.
z Telephone service is not activated. If the rightmost light on the cable modem stays on
while others flash, check with your TSP or cable company.
z If the cable modem is connected to existing house telephone wiring, make sure that
another telephone service is not connected. The other service can normally be
disconnected at the Network Interface Device located on the outside of the house.
z If using the second line on a two-line telephone, use a 2-line to 1-line adapter cable.
For more Usage and Troubleshooting Tips use the web site links provided on the CD-ROM:
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