TOSLINK (from Toshiba Link) is a standardized optical fiber connection system. Also known generically as an `optical audio cable` or just `optical cable`, its most common use is in consumer audio equipment (via a `digital optical` socket), where it carries a digital audio stream from components such as CD and DVD players, DAT recorders, comp...
A standard optical connection for digital audio, details ...
See 'S/PDIF'.