This paper introduces the method of design and development for conference television controller subsystem in the integrated service optical fiber dual bus LAN. The subsystem is not only a distributed multi-cpu control system, but also a data communication subnetwork. 介绍了综合业务光纤双总线局域网中,会议电视(CTV)控制子系统的设计、研制方法,该子系统实际上是一分布式多CPU控制系统,也是一数据通信子网。