When using the Smart Copier, the converter does not require a power supply. The Run LED flashes in normal operation. The error LED flashes when there are faults e.g. communication error). Parameters can easily be copied / loaded from the converter to the Smart Copier using the control panel and vice versa. Firmware and parameters stored in the Smart Copier can be transferred to the inverter I / O as well as the Control section can be downloaded.Firmware can be downloaded from a PC using a USB cable will. R45 cable (included in the purchase of the smart copier)