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本文介绍美国电报电话公司在遥测网络和通讯网络之间的接口上应用的一种专用协议—遥测异步成组串行通讯协议(TABS)这个协议主要用于传输设备的远距支持。文中叙述了协议的层次结构(物理和电气层、数据链层和应用层);给出了协议的有限态自动机表示法;性能分析给出了不同操作环境下与性能有关的有用信息。TABS正被美国电报电话公司广泛地应用在大容量数字系统的维护接口上。
This article describes a proprietary protocol used by AT & T at the interface between telemetry networks and communications networks - Telemetry Asynchronous Grouping Serial Communications Protocol (TABS) This protocol is primarily for telemetry remote support. In this paper, the protocol hierarchy (physical and electrical layers, data link layer and application layer) is described. The finite state automata representation of the protocol is given. The performance analysis gives useful performance-related information under different operating environments. TABS is being used by AT & T’s broad range of digital system maintenance interfaces.