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根据 ITU关于 SDH技术体制的建议 ,本文讨论了 STM- 1和 STM- 4开销处理、STM- 4的复用和解复用较易实现的方案。利用电路 CAD软件的仿真结果以及硬件测试结果都证明文中讨论的实现方案是正确的。
According to the ITU recommendations on the SDH technology architecture, this article discusses the STM-1 and STM-4 overhead processing, STM-4 multiplexing and demultiplexing easier to implement. The simulation results of circuit CAD software and hardware test results prove that the implementation scheme discussed in this paper is correct.