Help for 2X6 interface

[chuckying]

As shown in the picture, it is the interface to the right of the 2X6 JVS interface. Do any friends know what interface it is? Is it an audio interface? I'm not sure. What's her pin definition? Ask for advice from friends who know. Thank you!

 

[nem]

It's for serial communication.

https://www.arcade-projects.com/thr...ngles-from-retail-hardware.31828/#post-446993

 

[chuckying]

thank you for your help！nem