GMOOCAGuides
Plain-language explanations of how gaming machines work and connect, written by GMOOCA for owners, operators and collectors.
- SAS, explained The serial link that lets a machine report meters, events and vouchers. Found on nearly every machine built since the late 1990s.
- G2S, explained The newer network-based standard, how it differs from SAS, and why most home machines will never use it.
What you won't find here
We write our own material. We don't republish manufacturer manuals, service documents or paid standards, and we don't cover getting around a machine's security. When an official source is the right answer, we'll point you to it.