5. Test SW Queries FW versions for all PCB in the stack2. Approved FW versions are loaded onto the PCBAbuse test setup1. Position stack on a flat surface with a drain nearby meant to collect runoff2. Position hose nozzle overhead of stack facing downward simulating a fire sprinkler head3. Set SOC to 100%1. All items in the correct positionVisual Inspection recorded in test SW.Connect all power and communication cabling1. Connect TCP/IP RI452. Connect AC Power Line and Neutral for Balance and Control, 3.4V3. Connect AC_Out power from String Control Box to BP14. Connect CAN RI45 from String Control Box to BP 1