What is “LINE” on a Fax Machine?

LAST UPDATE: April 23rd, 2019

Definition

A ‘LINE’ port on a fax is where the telephone line connects.

It is found either on its own or near an ‘EXT‘ port (used to connect a phone extension).

Usage

Fax machines and fax modems have a ‘LINE’ port to connect the fax to a landline phone jack.