I suggest you a test. This one depends on you having any of the software packs...
I don't have any software installed (as far as I know).
...What I wonder is if the Y cable is not broken inside...
You have given me an idea. I used a multi-meter to check the continuity and mapping of the pins on the borrowed Y cable. This first diagram is the one referred to by the " Antares Crew Member " as being correct.
tc-electronic-nova-drive-g-system-midi-y-cable.jpg 67.53K 10 downloads
This diagram was drawn by me of the mapping of the borrowed Y cable.
ScreenShot366 s.jpg 62.34K 12 downloads
The way I see it they are different. Am I interpreting this correctly?