Telco line

Updated: 10/17/2017 by Computer Hope

RJ-11 phone connectorTelco line is short for telecommunications line, which is a line that connects a telephone, modem, or fax machine to a telephone company to communicate with other equipment or networks. The picture shows an example of what the end of telephone line may look like and the type of port on the computer. In this example, this is an RJ-11 type connector.

Computer abbreviations, Modem terms