The significant objective of this article is to know about toslink. The term Toslink originates beginning Toshiba-link, an visual fiber connectivity method, originally developed by Toshiba to be worn for CD players. From then, it has developed into the de facto yardstick for extra CD player manufacturers. But it was never incomplete only to CD players as it is at present largely used for factory automation, office automation, car audio and navigation method and numerous more.