宽带数字交叉连接系统B- DCS ？
本文主要叙述了数字交叉连接系统的功能、与数字交换机的区别、基本组成、各种类型的应用范围，以及发展前景。
This paper describes the functions of digital crass-connect system and distinctions from the digital switch. Basic configurations, various applications and its development trend also discussed.
本文主要叙述了数字交叉连接系统的功能、与数字交换机的区别、基本组成、各种类型的应用范围，以及发展前景。
This paper describes the functions of digital crass-connect system and distinctions from the digital switch. Basic configurations, various applications and its development trend also discussed.
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