A special Y-cable, available from Alvarion, enables to connect a a portable PC directly to the IDU COM port of the SU-A/E-ODU. This enables the installer to perform the entire process of configuring basic parameters, aligning the antenna and verifying proper operation of the unit right after completing the installation, minimizing the number of times the installer must climb to the roof. It also enables simpler configuration/performance monitoring during various maintenance/testing actions.