overhead cockpitsonic need help!

Hi, I just got an overhead from cockpitsonic and im tryting to use it in FSX with PMDG FSX, i didnt find nothing about how to connect it with the sim. I install the Project magenta PMSystems and i got connection between the overhead and the pmsystems. I have installed the driver from cockpitsonic and i run it same time with the Project magenta but i CANT get any conection with the sim! Also upodate the FSUIPC to the last versión. When i push the batery in the PMDG and also in the overhead. all lights in the overhead comes on but i cant do it in the opposite way.If someone can help me I really appreciate it... im lost here and dont find nothing to can get a solution in anywhere. Thanks