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众所周知,调解器是几乎所有数字通信系统必不可少的重要组成部分之一。因此,随着通信系统的日益增多,特别是随着各种数字通信网的建立和扩充,调解器这一行业也得以不断发展。仅以美国的有线调解器为例,其制造厂家林立,产品种类繁多,数量惊人,产值可观。据报导,根据Yankee Group的远非完全的统计,仅从七九年上半年至八一年下半年这两年半的时间里,美国就有近70
It is well known that mediators are an integral part of almost all digital communications systems. Therefore, with the increasing number of communication systems, and in particular with the establishment and expansion of various digital communication networks, the industry of mediators has also been continuously developed. Only the United States cable modem, for example, its manufacturers everywhere, a wide range of products, an alarming number of significant output. According to reports, far from complete statistics by the Yankee Group, in the two and a half years between the first half of 1979 and the second half of 1981, the United States had nearly 70