A modem is a device that converts digital data into analog signals for transmission over a line and converts incoming analog signals back into digital data for a computer.
A modem, short for modulator-demodulator, translates between the digital data a computer uses and the analog signals suited to transmission over a communication line. On the sending side it modulates digital information into an analog form, and on the receiving side it demodulates incoming analog signals back into digital data. This two-way conversion lets digital devices communicate across networks designed for analog transmission.
Modems have been fundamental to connecting computers and equipment to wider communication networks, adapting digital information to the characteristics of the transmission medium. The quality of the connection between a modem and the network influences the reliability and speed of the link, since signal degradation along the path can affect performance.
In commercial and industrial settings, modems and similar devices connect networked equipment to communication services, and they depend on dependable cabling for both their network and their data connections. The supporting infrastructure carrying these signals plays an important role in maintaining reliable communication.
Because the reliability and speed of the link depend on the connection between the device and the network, the supporting cabling plays a real role in performance, carrying the signals on which the conversion between digital and analog ultimately relies.
At Windy City Wire, the focus on structured low-voltage and communication cable supports the connections that networking devices such as modems rely on. Supplying dependable cable helps ensure that the links between equipment and communication services perform reliably across commercial facilities.
Modem (modulator-demodulator)