This expander allows to move the CT60 at the rear of the Falcon case to avoid all place problems under the keyboard with the Fan and the CT60 add-on cards...
CTEX allows too to plug a Falcon daughter card forward the CT60 without soldering some mal/mal connectors !
This board is not available here, but the Poscript et PDF files are free :
You have to find a PCB (double size with metal holes) manufacturer.
Schématics (clic to download)