Its a copy of Cybernaught thankfully the altek running cybernaugt code works the one i had had this add on board with the game rom on it so all te operator had to do was remove te original game rom and plug the extra board in to te pins ontop of the cpu.
Also has its own soundboard and rectifier board which was also just plug and play which was very clever bally SS game
I stand corrected.
Its good that you were wrong Nino there had to be something about pinball you didn't know 
I confused myself (happens often when you get old) - I spent time looking over my Xenon in storage, and it was "fresh" in my mind. I saw the plastic tube on the playfield and I didn't think.
