You need the Gemstar eBook Librarian v2.0.244 not the RocketLibrarian v1.3.222 to communicate with the REB1100.
You can get the Gemstar eBook Librarian v2.0.241 from the original Install CD here
. An update to v2.0.244 can be found here
You can also use REBComm 0.4
to communicate with/transfer to the REB1100. A better/updated REBComm v18.104.22.168 is mentioned in this post