RJ-11 phone cable connector and connectionMore commonly known as a modem port, phone connector, phone jack or phone line, the RJ-11 is short for Registered Jack-11 and is a four or six wire connection primarily used for telephones and computer modem connectors in the United States. The picture is an example image of what the RJ-11 phone cable and connection looks like.

Note: Although this cable can be used to connect your modem to the Internet it should not be confused with the RJ-45 connector, which is used with your network card.

Related pages

Also see: Connection, Modem, Modem terms, RJ-45, Splitter, Telephone