Looks like it was supposed to be a DIN connector.
https://www.a1used-computers.com/fiche- ... 50835.html
I believe that is Cherry foam and foil.John Doe wrote: ↑29 Feb 2020, 02:14https://rover.ebay.com/rover/0/0/0?mpre ... 3507535820
viewtopic.php?t=17441JP! wrote: ↑01 Dec 2019, 19:53Not sure of the switches but looks familiar.
https://www.ebay.com/itm/Decision-Data- ... SwhYNd5AfG