A proprietary fiber optics signal connection system, commonly used in audio
applications. A TOSLINK connector provides a distortion-free connection between a
digital source and digital
receiver or recorder. TOSLINK is a registered trademark of
Toshiba.
TOSLINK Interconnect History & Basics TOSLINK utilizes a series of on/off pulses of a red transmitting light. Contrary to popular belief, there are no lasers used in audio optical digital transmission. The light source is a simple and inexpensive LED. Until recently a major drawback of fiber optic transmission was attenuation within the optical cable.