Unless there are issues, we recommend this simplified version, as it can be installed in either direction. As an even simpler solution, many have simply taken a normal rs232 DE-9F to DE-9M cable and ...

I originally made this with EasyEDA, the project can be found here. This is a KiCAD PCB only export of the EasyEDA project. Parts needed are only a male DB25 and a female DB9 solder typ connector that ...