摘要
本文介绍了基于电话网和Ｘ．２５网的多种ＬＡＮ的扩展方案及其相应的软硬件接口，并给了各种方案的拓扑结构。
This paper intruduces the extending schemes and its relating hard ware-software interfaces for many LAN base on telephone network and x.25 network, meanwhile it also gives the network construction for these schemes. they are of more strong application value.
出处
《延安大学学报（自然科学版）》
1997年第2期41-46,共6页
Journal of Yan'an University：Natural Science Edition
