The UPEUe is responsible for power management within the BBU5900 base station. It provides power supply and distribution functions, ensuring reliable and efficient power delivery to different components of the base station. The UPEUe serves as an interface between the base station and the power supply system. It connects to the AC (Alternating Current) or DC (Direct Current) power sources to convert and regulate the power supply for the base station's components. The UPEUe includes environmental monitoring capabilities to track and manage the operating conditions of the base station. It measures parameters such as temperature, humidity, and air quality to ensure optimal performance and longevity of the equipment.