RDK Resources
[*RDK Preferred*]
Code Management Facility
RDK Forums
[RDK Conferences]
RDK Support
Archives
Papers & Presentations Archive
...
Purchase Link - USB to Serial RPI 3B 3 Pin Diagram
The above mentioned adaptor (PL2303) will support Linux host machine ( ubuntu ) with proper connection between RPI (for both 3B and B+) as below
...