You will need to buy a new modem that is designed for your DSL modem. This is due to the fact that the modem is designed to use the dsl signal opposed to the cable modem.
Yes, DSL requires a DSL modem as well as an Ethernet port to your PC or laptop.
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No, a cable modem connects to a cat5 coax cable and a DSL modem connects to a standard phone line.
It's not that it makes the Internet respond, it makes your DSL modem respond. Occasionally DSL and Cable modems will become unresponsive for whatever reason. Disconnecting and reconnting the Internet connection cable is one way to "wake up" the modem. Often that doesn't work and you have to reboot the computer or power-cycle the modem. Annoying but sometimes necessary. The way my ISP, who gave me my DSL modem to use, explained it is that, like a computer, every now and then, the modem just needs to be reset or rebooted, much like your computer
The comcast modem is a cable modem not a DSL modem so they cant be compared.
The cable modem allows the cable provider to plug their service into the back of the modem(coaxial cable) versus the DSL modem allows the phone company to plug their service into the back of the modem(phone line). The DSL service typically requires you to have a separate phone number from your main land line.
The short answer is that you don't. Sure, you can plug a fax modem into a phone line that supports DSL, but it is just using the dial-up capabilities of the line and not the DSL capabilities. A regular modem like that functions like a telephone and transmits in the audible frequency range and not the higher DSL frequencies. With DSL, you'd use a DSL modem (with or without an included router), not a dial-up modem.
You do not need a dial-up modem. However, you will need to either purchase or rent a DSL modem, which works differently from a dial-up modem, and is usually outside the computer.
The Mediacom cable modem is just as fast as the Comcast DSL modem.
The DSL modem that qwest provides to each customer is going to be the best modem because it is up to date in software.
A DSL modem is connected to an Ethernet port (looks like a over-sized phone jack)