The same coaxial cable coming into the house or office also ... assigned to the modem to prevent Web hosting (see DDNS). Cable modems typically connect to a computer or router via Ethernet ...

Connect the modem to a wall outlet with a coax cable and plug the modem into an electrical outlet. Connect devices to the modem wirelessly, or with an ethernet cable to a LAN outlet on the modem.

The modem is wired to the Internet via the cable company's coaxial cable, the telephone company's DSL phone line, Verizon's FiOS network or a satellite modem. The router is wired to the modem.