My guess is that you are talking about IGT's proprietary SAS - Slot Accounting System - protocol for casino gaming machines. Of course it is better if you volunteer this info up front so that we don't have to guess at all.

It looks to me like these guys are pretty tight lipped about the details of the protocol. A gaming machine manufacturer has to sign some form of NDA (Non Disclosure Agreement). That wouldn't happen if this was a "open" protocol. Anyway, I have no clue about any details of this protocol. Where did you get this SAS documentation?

I am hoping that you have some 2nd hand machine that was bought on the open market and you want to play with it. I would contact the manufacturer of that machine and see what help they can give you (if any).

parity adjustment seems straight forward:
From the docs:

$PortObj->baudrate(9600);
$PortObj->parity("odd");
$PortObj->databits(8);
$PortObj->stopbits(1);

[download]
Of course Wiki for Serial Ports will get you up to speed on the lingo. Parity is probably "odd" or "even". I doubt "none" or "mark" or "space" would be used in an app like this.

update: Read IGT's doc above. It talks about GSA (Gaming Standards Association) and their adoption of this protocol as a standard. I leave searching around on the net for documentation to you - I don't think anybody here cares - that should be part of your work.

In reply to Re: SAS protocol by Marshall
in thread SAS protocol by MarSkv267

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