摘要
TDM系统是针对电信网络中的各种网络单元设备和电路数据资料的管理任务而设计研制的大型数据库信息管理系统。主要功能有存储管理本地网PDH数字传输系统设备和电路的各种数据资料，可进行多种查询任务，并可根据数字传输网工程变动随时对数据库增删改，系统还具有多种资料数据的汇总计算的功能。为便于用户使用，该系统还采用了联网能力很强的CLIENT／SERVER方式和TCP／IP网络协议，用户可通过局域网LAN或拨号线采用PPP协议联网查询数据。
TDM2 - 1 is a big database management system designed for management of network units and line data in telecommunication net works, its main feature consist of: store and manage of PDH equipment and line data information in local telephone network, provide different inquiry functions, add, delete or modify data base, collect and calculate data. System equipped with powerful client/server and TCP/IP protocol,user can inquire information through LAN or dial line by using PPP protocol.
