本文介绍我厂自行研制的可程控网络分析仪的接口系统的部分线路。该接口系统配有源挂钩功能、讲功能、受者挂钩功能、听功能、服务请求功能、远地/本地功能等六种功能。其初级接口部分严格按照IEC-625文本的规定进行设计,具有通用性。本接口与美国生产的HP-59401A 型母线分析仪联机调试、两者完全相容、接口电路工作稳定可靠。 This article describes the factory-developed programmable network analyzer interface system part of the line. The interface system with the source hook function, speaking function, the recipient hook function, listening function, service request function, remote / local features six functions. Its primary interface part of the strict accordance with the provisions of IEC-625 text design, with versatility. The interface and the United States produced HP-59401A bus analyzer on-line debugging, the two are fully compatible, the interface circuit is stable and reliable.