This is a simple guide to connect your ADSL broadband modem that enables to use your connection both for voice & data.I have seen many people confused over whether they can use the same copper based ADSL line provided by your Telecom service provider for both.The answer is a definite YES, if your service provider supports both voice & data which most usually do.
The typical connection diagram is here under : -
The splitter used above is basically a filter that splits the low frequency voice bandwidth (200 - 400 Hz) with the high frequency data signal so that the phone & modem could be used simultaneously.
Some FAQs that might be arising in your mind after this : -
1. Can I use the same connection for connecting multiple telephone sets or fax ?
Ans : Yes.But the parallel connection should be done after the splitter as shown in the figure below.
2. Can I use multiple modems on the same line ?
Ans : No.
3. I want internet access from different devices/PCs but can't afford more that one broadband connection.What to do ?
Ans : Configure the ADSL modem in PPPoE mode in which you can use the same modem from multiple devices/PCs simultaneously to access internet.