To export DBF link and node tables from a network you can use a Network program in CUBE Voyager.
1. Enter the Network program in your application
2. Connect you input network (from GDB or NET file) as input Link/Net 1
3. Define an output Link file with DBF extension
4. Define an output Node file with DBF extension
The program box will look like below in AM:
Without the need to add any additional script, running the program will create the Link and Node DBF tables.