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Database: 189759 (26 Oct 2025)
YD/T 4020.2-2023 English PDF
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YD/T 4020.2-2023
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(Single-fiber bidirectional wavelength division multiplexer for metropolitan area access - Part 2: CWDM)
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YD/T 4020.2-2023
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Basic data
Standard ID
YD/T 4020.2-2023 (YD/T4020.2-2023)
Description (Translated English)
(Single-fiber bidirectional wavelength division multiplexer for metropolitan area access - Part 2: CWDM)
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
M33
Classification of International Standard
33.180.01
Date of Issue
2023-12-20
Date of Implementation
2024-04-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the terms and definitions of single-fiber bidirectional coarse wavelength division multiplexer (hereinafter referred to as BiDi-CWDM) for metro access, and specifies the interface, wavelength allocation, optical characteristics, environmental adaptability, and environmental protection compliance of BiDi-CWDM. Safety and other technical requirements, describing the corresponding test methods, reliability tests, inspection rules, marking, packaging, transportation and storage, etc. This standard applies to the design, development, production, testing and inspection of single-fiber bidirectional coarse wavelength division multiplexers for metro access.
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