SAS Protocol Consulting
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Frequently Asked Questions (FAQ)
SAS stands for Slot Accounting Protocol. It was introduced by IGT almost two decades ago and today it remains asl the most widely used communication protocol in the gaming industry.
SAS Protocol specification is provided by IGT to any manufacturer in the industry.
T.I.T.O. (“Ticket In Ticket Out”) is a technology used in more modern slot machines. It was originally developed circa 1992 by MGM Corporation who purchased technology from a Las Vegas firm Five Star Solutions as well as barcode ticket printing technology from Jon Yarbrough before his VGT success. They also worked with Pat Greene an inventor in Boston of Triad Company who held a patent on a Bill Validator which could read bar coded tickets as well as accept cash. MGM created a consortium of game manufacturers and developed a protocol for its custom Universal Interface Board “UIB” based on a derivative of Bally Gaming’s SDS System. They contracted local firm Applied Computer Technology, Inc. to develop the UIB, its firmware, and also facilitate the organization of the consortium. Later IGT acquired the rights to the TITO patents from MGM and began to modify their own protocol called SAS to implement TITO.