I looked into doing this for a daughter board of a old ISDN terminal that utilized a strange, confusing, poor documented interface. After asking around, I was t

I looked into doing this for a daughter board of a old ISDN terminal that utilized a strange, confusing, poor documented interface. After asking around, I was told I was mostly out of luck unless I was willing to destroy it because it was a 4 layer board. I still haven’t figured that damn thing out and will probably have to resort to even more tedious methods.