Here is the IR commands from the original IR remote for the single XM receiver from Antex. Discrete codes are found on the RS232 port only.

One user's experience repairing their DS5200 docking station, including photos of disassembly and fuse replacement. This information is also useful for other stations with the compound connector, such as the TSU6000's DS6000 and RC9200's DS9200. In Adobe PDF format.