The aim and significance of daily maintenance in operation of SDH optical transmission equipment for the electric power communication systems, the classification and contents of.
介绍了电力通信系统SDH光传输设备日常运行维护工作的目的及意义、维护工作的分类及内容、日常维护中应注意的一些问题。
The error-code of transmission equipment (SDH) is consisted of equality error-code. , random error-code and burst error-code.
SDH传输设备的误码是由均匀误码、随机误码和突发误码组成的。
The error-code of transmission equipment (SDH) is consisted of equality error-code. , random error-code and burst error-code.
SDH传输设备的误码是由均匀误码、随机误码和突发误码组成的。
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