Well, I could not get anyone to answer , but will the solution and / or explanation :
In the sound output which in my case was the P2 onboard VT2021 Ninyl after setted enabled and the MPX outputs , called a P2 -RCA cable.
On one side of the RCA cable connector used a BNC or RCA -BNC adapter and booommm ….. MPX , running pilot and stereo ……..
Simple , thank you !!!!!
I have helped in something !!!!!!