The HUAWEI PDC2000S12-B1 supports DC input of –72V to -40V or 40V to 60V. The PSU provides one output (three output modes: MV12, MV6 and SV12). The rated output power of MV12 is 2000W. The PSU is hot-swappable, equalizes current, and supports 1+1 or 2+2 or 3+3 parallel connection. The PSU provides an I2C communication function, and can report information such as the manufacturer, model, and version. It provides a black box and supports online upgrade.