There is another Transdisk program you can use that works also, and it has a specially written version of the (Amiga End)transfer program that is small enough to be transferred to the Amiga via the TYPE command in a shell instead of using AmigaBasic
read the f.a.q. at this page, it explains how to get it over, along with having all necessary files.
http://homepage.uibk.ac.at/homepage/c725/c72578/amiga/If you set your baud rate up to 9600 at both ends it should transfer a full ADF in about 15 minutes.