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本文对分组无线网中的关键设备——终端节点控制器(TNC)的硬件体系、工作过程、各部分的主要功能进行了论述;并就分组无线网发展至今的几个有代表性的TNC产品作了介绍和分析;在此基础上指出了TNC产品硬件体系的发展趋势和我国在研究、开发TNC产品时的立足点及所应注意的问题。
In this paper, the hardware system, working process and the main functions of each part of the key equipment in the packet radio network, such as the terminal node controller (TNC), are discussed. And several representative TNC products Introduced and analyzed; on this basis, pointed out the development trend of TNC product hardware system and the foothold of our country in the research and development of TNC products and the problems that should be noticed.