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电总试验接入网邮电部电信总局与门个省、市、自治区邮电管理局及１３家中外厂商的代表在北京签署了（关于接人网试验的技术合作备忘录）。ＶＳ．ｌ／ＶＳ．２接口是试验的主要内容。该接口标准由欧洲电信标准化协会（ＥＴＳＩ）提出，已为国际电联接受。参加试验的厂商提...
General Test Access Network The Ministry of Posts and Telecommunications (DGTT) signed the Memorandum of Technical Cooperation on Access Network Testing in Beijing with the representatives of the departments of provinces, municipalities and autonomous regions, the postal administrations and 13 Chinese and foreign manufacturers. VS. l / VS. 2 interface is the main content of the experiment. This interface standard was proposed by the European Telecommunications Standards Institute (ETSI) and accepted by the ITU. Test manufacturers to mention ...