Digital subscriber line and Subscriber line

Digital subscriber line noun - A generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speeds.

Subscriber line and digital subscriber line are semantically related. In some cases you can use "Subscriber line" instead a noun phrase "Digital subscriber line".

Subscriber line noun - A telephone connection.

Digital subscriber line and subscriber line are semantically related. Sometimes you can replace phrase "Digital subscriber line" with "Subscriber line", this phrases are similar.