Here are some pictures to help.
2470 Is the Orion Control head and remote mount bracket
2474 Is the Orion control board and the faceplate of the M7100
2476 Is the Orion remote cable and the rear of the M7100
So from these i dont see how these will just fit at all
Unless i rig up my own cable to connect from the orion to the m7100 to make it a remote setup
And guess i would need that convert thing for the faceplates. Even if i cant get the orion system control head onto the M7100 thats ok. I can deal witht eh scan M7100 head as a remote. Just anyway i can make the front into a remote is all i want really..