I can't speak for all of them, but I can say that the MiniDIN6 version is the same, and the jumper block is too.
It is hard to say for certain about the rest as neither TigerTronics nor MFJ publish the wiring diagrams.
Which one are you thinking about using?
73 - Mark - K8MHW
'A RigPi Enthusiast!' - I am not otherwise affiliated with MFJ or RigPi