Telco line
Telco
line is a shortened term for telephone line, which is a line that is
used to connect a telephone, modem, or fax machine to a telephone company in
order to communicate with other equipment or networks. In the picture to the
right, is an example of what the end of telephone line may look like. In this
example, this is a RJ-11 type connector.
Also see: Fax, Modem, RJ-11, Telephone