There is a collection of different modules that perform different options as addons to the Concord that function over the SuperBus200. I can’t say for sure if the automation is only doing a direct bridge between RS485 and RS232 because I never bothered to try and verify the bits going into or coming out of the module on the panel side.
The only real risk you take is making sure you join the RS485 network correctly, it looks like the panel should assign a unit number to you automatically, and that GE could be using a proprietary data format different then what is described in the automation module documentation.
If you have the time and spare 485 sitting around, I say you go ahead and hook it up and see what you see. I would actually really like to know how different, if at all, the bus protocol is from the advertised automation interface.
More importantly, what are you actually trying to accomplish? This forum is specifically for SmartThings and the code provided above is to create an interface from the Alarm Panel into that Home Automation system. Both the SmartThings Shield and the IP Bridge is for that purpose. I have seen your posts on other forums and it appears you are after some confirmation on how to interface with the panel. If that is the case, then the automation module documentation is accurate and does describe the data to use the Automation Module interface, also the best place to start if you decided to go RS485 directly.
Both a link to the Automation Module IDD and a python script to display some of the data can be found on the github link as well.