304.3 Configuration4.3.1 UPS parametersIn order to change UPS parameters (Output Voltage, Number of EBM, ....)please use UPS Configuration Tool (download available here:http://pqsoftware.eaton.com).4.3.2 Communication portsOn the back of the UPS (see UPS Views), the following communicationports are present: RS232 connector, USB connector, Slot for optionalconnectivity cards.RS232 or USB communication portsThe RS232 and USB communication ports cannot operate simultaneously.1. Connect the RS232 or USB communication cable to the serial or USBport on the computer.2. Connect the other end of the communication cable to the RS232 orUSB communication port on the UPS.The UPS can now communicate with EATON power management software.