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详细分析了煤矿井下各种监测监控系统分站和传感器的通信状况，讨论了矿井的综合业务数字网（ＩＳＤＮ）汇接适配器的应用价值和实现方案．通过该适配器，能将井下常用的各种监测监控系统的４类分站、符合ＭＴ２０９－９０标准的８个传感器和１路话音，汇接成标准的６４ｋｂｐｓ数字信号，接入矿井ＩＳＤＮ．矿井ＩＳＤＮ汇接适配器的应用，将改变井下通信线路重复建设、各自为政的混乱状况，提高各种数据的综合利用率．
The status of communication between sub-stations and sensors of various monitoring and control systems in coal mines is analyzed in detail. The application value and realization scheme of Integrated Services Digital Network (ISDN) tandem adapters in mines are discussed. The adapter can be used underground various monitoring and control system of the four sub-stations, in line with MT209-90 standard 8 sensors and 1 voice, convergence into a standard 64kbps digital signal, access mine ISDN. The application of mine ISDN tandem adapter will change the chaotic situation of duplicate construction and fragmentation of underground communication lines and improve the comprehensive utilization of various data.