The digital controller USES certain data from said plurality of data with respect to an actual switched operating mode for continuous adjusting begin and end of a switching operation.
Telecommunication: a number of telecommunication networks as optical fiber, digital microwave, satellite, program control switching, data and multimedia cover the whole zone.
通讯：光纤、数字微波、卫星、程控交换、数据与多媒体等多种通信网络覆盖全区。
3
Both transmission device and switching device are entirely digital, it's easily to control system and search data with multimedia computer which could reduce cost and improve performance.