Digital Outputs:
DVD and CD players have an Optical Digital Output, a Coaxial Digital Output, or both. Connect one or both outputs to the appropriate digital input on the back of the receiver or amplifier.
From Gary Altunian, former About.com Guide
Digital Outputs:
DVD and CD players have an Optical Digital Output, a Coaxial Digital Output, or both. Connect one or both outputs to the appropriate digital input on the back of the receiver or amplifier.