Carlson Software Knowledge Base

If you are using a plain serial to serial cable to connect your data collector to your PC, for the purposes of
transferring data, you will want to disable any "synchronization" software that you may have installed on the PC.  That
type of program will prohibit you from using your com ports for the transfer of data, through our desktop program.

Attached below is a document which describes the procedure for transferring data between a data collector and PC via
Null Modem Serial Cable.