A DSL modem, or digital subscriber line, sends digital signals over telephone lines in order for users to access the Internet. Find out how DSL modems convert Internet signals and provide cable ports for a router or Ethernet cable with information from a certified computer technician in this free video on computers.

Expert: Jonathan Ayres
Bio: Jonathan Ayres has more than 25 years of computer industry experience with all types of computer hardware and operating systems.
Filmmaker: Todd Green