Standard Number: YD/T 3570.1-2019(YD/T3570.1-2019)
Chinese:通信用偏振保持光纤测量方法 第1部分：拍长
English:Measurement Methods for Communication Polarization-Holding Fibers Part 1: Beat Lengths
Effective Date:2020-01-01
Standard Applicability:This part applies to gateway equipment using wired wireless converged access technology in broadband customer networks based on public telecommunication networks.
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