本文介绍了国内首次一次试飞成功的光纤数据总线的拓扑结构和系统所挂的子系统。阐述了该拓扑结构的性能、通路器的设计原理以及试飞的情况。最后给出了鉴定委员会对该总线的评价 This paper presents the first successful test of fiber optic data bus topology and the system linked to subsystems. Describes the performance of the topology, the design principle of the circuit breaker and the test flight situation. Finally, the evaluation committee gives the evaluation of the bus