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Chapter 44. Upgrading Your Modem > Installing a Cable or DSL Modem

Installing a Cable or DSL Modem

As just stated, it is usually cheaper to purchase your cable or DSL modem rather than rent one from your provider (which isn't yours to keep after so many rental payments). You can usually purchase these devices online or from stores such as CompUSA, Best Buy, Circuit City, or Radio Shack. You don't have to purchase a modem with a lot of bells and whistles; just make sure that it conforms to the standards used by your provider—DOCSIS (Data Over Cable Service Interface Specifications) for cable broadband service or Discrete Multitone (DMT) for ADSL broadband service. Depending on your area, a DSL modem may not be for sale through anybody but your DSL provider.

Contact your broadband service provider and order the service you want. For ADSL broadband service, a visit to your home for installation is not required. DSL service can be turned on from the telephone company's central office. For cable broadband service, however, an installation visit is required because a splitter must be installed at the point where the actual coax cable enters your house to place your cable TV service and broadband service on separate cable lines inside your house. Don't worry; there is still only one cable coming to your house.


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