What is DSL (Digital Subscriber Line)? Definition
What does DSL stands for? The acronym DSL stands for Digital Subscriber Line.
What is DSL? Definition: DSL is a way for connecting to Internet and transfer data over regular phone lines. However, like a cable modem, a DSL circuit is much faster than a regular phone connection, even though the wires it uses are copper like a phone line.
DSL speeds are based on the distance between the customer and phone central office.
There are two main categories odf DSL: Asymmetric DSL (ADSL) is used for Internet access, where fast downstream is required, but slow upstream is acceptable.
Symmetric DSL (SDSL, HDSL) is designed for connections that require high speed in both directions download/upload.