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苏联共产党中央委员会和苏联部长会议决议《关于进一步改善农村居民的住宅和社会文明条件的办法》规定农村电话通信网(CTC)的总容量将增加到330万门。要完成这个任务在很大程度上将借助于在农村电话网中运用数字传输系统H1(M一15、《,ona—15》、《paRaH—2》、尤其要运用专门为农村研制的传输系统HKM—30C。新的30路脉码设备HKM—30C具有一系列优点:如建设一条电路的投资费用很小;线路系统和终端设备具有监测系统,由于基本采用现代元件而有很高的运转可靠性,电气特性符合CCITT建议,可以传输数据信息,同时也能在有人中继站实现数字电路的分路和转接。通信距离达110公里。
The Resolution of the Central Committee of the Soviet Communist Party and the Soviet Council of Ministers on “Measures to Further Improve the Residential and Social Civilization of Rural Residents” stipulates that the total capacity of rural telephone communications network (CTC) will increase to 3.3 million. The task to be accomplished to a large extent will be through the use of digital transmission systems H1 (M-15 “, ona-15”, “paRaH-2”) in rural telephone networks and, in particular, transmission systems developed specifically for rural areas HKM-30C. The new 30-channel pulse code device HKM-30C has a number of advantages: a small investment cost for building a circuit, a monitoring system for the wiring system and terminal equipment, high reliability due to the basic use of modern components Sexual and electrical characteristics comply with the CCITT recommendations, can transmit data information, but also in some manned relay stations to achieve digital circuit shunt and transfer. Communication distance of 110 km.