关于再定时对于E1时钟传送性能影响的测试及分析

摘要

阐述了SDH的E1支路“再定时”功能，指出目前业内基本不采用的现实情况，并通过实际测试验证“再定时”对于提高时钟信号质量的效果，详细介绍了测试的步骤和方法，并提出明确的建议。%Elaborated on SDH E1 tributary "retiming" feature, basically do not use the industry that the current reality, and through the actual test validation"re-timed"to improve the quality of the clock signal effect, detailing the testing procedures and methods, and make clear recommendations.