Do modems connect a network to the internet?CompTIA Network+ Course

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This topic contains 1 reply, has 2 voices, and was last updated by  Paul Rouk 3 years, 3 months ago.

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    I know that a modem converts the digital signals from your router into analog signals but do they connect a home network to the internet?


    Paul Rouk

    The term modem isn’t really technically accurate anymore, but it is still a fairly commonly used term. As you mentioned, in the past it was used to convert an analog phone connection into a digital signal to connect to the network. Today almost everything is digital from end to end, so it isn’t really a modem (MODulator-DEModulator) anymore, but the term has stuck.

    The place where I see the term used most often is for a DSL modem or a cable modem. In these instances, the device does act as a gateway between your home network and the Internet. On the home side of the modem your devices will typically have an IP address in the 192.168.x.x range, while on the Internet side of the modem it will be assigned a public IP address.

    The term “router” is often used interchangeably with “modem” on these devices. Although router is probably a more accurate term, a home router is an extremely simple device compared to the more sophisticated routers which are used by businesses.

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