Hi I just purchased a 1997 supermax YCM-40 with M-400 centroid control cnc 7 software v8.23 the control works and can program from control but need to run 3D parts from bobcadcam using predator dnc but can't get control to talk to pc don't have password to get in and configer dnc do any of you no if there is a standared pass word or what the baud rate and setting are .