. I have a Python script that communicates with the slot machine; I would like to know how Python does this and how to transfer it to Perl. My boss wants that the machine isn't playable if the player card isn't inserted. The following table shows SAS — The SAS protocol only supports a limited subset of the GAT protocol. SAS protocol consists of 3 layers of physical layer, link layer, and application layer. GAME TO SYSTEM (G2S) VERSUS SLOT ACCOUNTING SYSTEM (SAS). Download the article here. HOME. SAS (Slot Accounting System) is. Slot Accounting System (SAS) Serial Communication Protocol, version , with The SAS Protocol Specification document is the property of. 08/ proprietary SAS based slot machines. GSA Protocol Driving New Innovative Gaming Products of Today and Tomorrow. Resources · SAS Protocol Overview · IGT Voucher Layout · Latest SAS Game Identification Codes (Table C-1). The physical layer leverages RS at kbps of 1 start bit, 8 data. SAS is a serial protocol with RS or in some cases TTL levels. SAS protocol consists of 3 layers of physical layer, link layer, and application layer. 40ms when EGM support RTE (real time event) mode.