ADSL is Asymmetric Digital Subscriber Line. Asl knowledge poster ADSL provides a method of data transmission with broadband, much higher speed than the traditional telephone line access protocol by dial-up access.
When transmitting bandwidth on telephone lines is divided into 2 parts, a small part is used for signals such as Phone, Fax. Most of the rest is for ADSL signal transmission. The meaning of the phrase “asymmetry” in ADSL is because the amount of data downloaded and uploaded is not equal, with the data being mostly downloaded.