Korg RE1 editor

Hi,
Just bought a Korg RE1 editor from Daddys Rock Auction. I assumed you could use with a M1, but to my surprise the din/midi looking plug that the RE1 has, doesn't seem to have a connector on the M1. I even took apart the M1 hoping to see something inside the M1 but no luck? Any help is appreciated.
Thanks Ugmold

Ohh sorry...

I never heard of the RE1 working with a M1.

I think you should send it back. Unless you have a M1r like no other that I have ever seen.

It only works will sound modules like the
M3r
Wavestation SR