![]() ![]() When a private device requests information, it will be directed to the router’s private IP. Routers have a public and private IP address. Private IP Address: Exclusive IP addresses only known to your router and your home devices.Public IP Address: Used by routers and devices directly connected to the modem.As a result, the information won’t be lost or delivered to the incorrect device. The purpose of an IP address is to establish a location on the internet, providing computers and devices a way of finding each other when sending and receiving information. One of the router's most important jobs is to assign IP addresses to every connected device. It reads all of the data packets being received, allowing wanted information to enter your private network and blocking unwanted information. A firewall is your private network’s bodyguard. The internet is a public wide area network (WAN) that is full of hackers. Routers act as a firewall between the internet and your virtual private network (VPN). To protect you from online attacks, routers do a lot more behind the scenes. If you prefer to wire some of your devices, additional ports are available on the back of the router. They broadcast radio waves to communicate with the wireless adapters in your connected devices. The antennas on the router are what make WiFi signal possible. Once the router is connected, you can wirelessly connect your devices to the WiFi network, or you can use ethernet cables to wire your devices to the router. This allows the router to send and receive information from the internet. Typically, wireless routers use an ethernet cord to connect to the internet or WAN port on the back of the modem. For example, if you have a computer and a printer connected to the router, you could print a file without having to physically connect to the printer. In addition, they facilitate a line of communication between all of the connected devices in your home. ![]() They manage all of the incoming and outgoing information and direct it to the correct location. Routers are mostly known as the device that gives you WiFi.Ī router is a small box that helps “route” traffic between the connected devices (wired or wireless) in your local area network (LAN) and the internet. Wireless devices, such as tablets and smartphones, will not be able to access the internet through a modem. Thus, the file will be displayed on the receiving computer screen.ĭevices that have an ethernet port (laptops, desktops, and smart TVs) can use ethernet cables to connect to the modem for internet access. Once the analog waves reach their destination, they will be met with another modem who will demodulate (decode) the file back to digital signals. When a file is being sent out, the modem will modulate (code) the information into analog waves to push the file through the phone or cable lines. The modem acts as a translator when sending and receiving information. On the other hand, phone lines and cable lines use analog waves. Computer information is processed through digital signals. Computers, cable, and telephones use different languages to send and receive information. These modems are almost totally phased out these days.Ī modem will either be connected to phone or cable lines to tap into the internet. Unfortunately, with Dial-Up, you are unable to access the internet when the phone is being used. Compared to the other modems, they are slower in speed. Dial-Up:ĭial-Up modems also use phone lines to access the internet. With DSL, you can talk on the phone and access the internet at the same time. One end of the phone cable will connect to the phone port on the wall, and the other end will connect to the DSL port on the back of the modem. DSL (Digital Subscriber Line):ĭSL modems use phone lines to connect to the internet. One end of the cable connects to the back of the cable box or the wall, and the other end connects to the back of the modem. There are three types of modems: Cable:Ĭable modems use coaxial cables to connect to the internet. Modems will differ based on the type of internet connection you have. Modems are used to convert signals into the appropriate language needed for information to travel through a telephone line or cable line. ![]() Learn more or call us for a free consultation: 1-80 What is a Modem?Ī modem (modulator-demodulator) is a networking device that communicates with the internet through a broadband connection that’s provided by your internet service provider (ISP) - Comcast, AT&T, Suddenlink, Verizon Fios, etc.ĭepending on the type of internet you have (cable, DSL, satellite, or fiber optic internet) will determine if your modem will use telephone lines or cable lines to connect to the internet. Take advantage of our system design and installation services. ![]()
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