The CMU-A5000 is a high-performance visual Internet of Things edge gateway that uses a home-made CPU (Rockchip RK3399/RK3399Pro) ,based on an embedded Linux real-time multi task system. The equipment includes video monitoring, station environment monitoring and linkage, AI security, fire alarm, access control, lighting system linkage and other functions. At the same time, the equipment has an innovative edge framework, and has a powerful integrated management function of LoRa wireless IoT equipment that conforms to the power transformation and distribution IoT protocol downward; Various management platforms such as visualization platform, dispatching platform and IoT platform can be connected upward, which is an important part of the auxiliary control system of intelligent substation/distribution room.