介绍了BES Ⅲ改造工程中主触发系统与飞行时间计数器电子学系统之间的控制命令以及状态信号的远距离同步传输问题的解决方案。该电路基于高速光纤传输,采用现场可编程门阵列芯片和专用芯片,具备自动纠错和从错误中自动恢复的能力,设计可靠、灵活,通过测试证明符合北京谱仪的需求。 The solution to the control command between the main triggering system and the flight time counter electronic system in BES Ⅲ reconstruction project and the long-distance synchronous transmission of status signals are introduced. The circuit based on high-speed optical fiber transmission, the use of field programmable gate array chips and dedicated chips, with automatic error correction and automatic recovery from errors in the ability to design reliable, flexible, tested to meet the Beijing spectrometer needs.