Set of RS232 null modem cable + an adapter to connect the null modem cable to a normal PC.
Note: The null modem cable (or any null modem adapter) is mandatory. Only with an RS232->USB adapter are no data transferred between the balance and the PC!
If your computer already has its own RS232 interface, the null modem cable is sufficient. You can find this individually in the shop.
Under the following link you will find detailed instructions and information on the required apps and how to edit the results on the respective device: