IPN- 10 is widely used in China Navy's new large and medium-sized surface ships. The system adopts MHIDAS multi-channel advanced integrated distribution structure system. The bus system adopts modular structure and is divided into main line and branch line. The main line can reach 50 meters, and the longest distance between two terminal devices can reach 400 meters. The data transmission rate of the bus can reach 10Mbps/ s, and the maximum number of users can reach 256, which can meet the requirements of medium and large ships for transmission distance, transmission rate and number of terminals.