YD/T 629.2-1993Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method (English PDF)
光纤传输衰减变化的监测方法 后向散射监测法
YD/T 629.2 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| YD/T 629.2-2022 | Monitoring method of optical fiber transmission attenuation - Part 2: Backscattering method | Valid |
| YD/T 629.2-1993 | Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method | Obsolete |
YD/T 629.2-1993 is obsolete. It has been replaced by YD/T 629.2-2022. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
Ministry of Posts and Telecommunications
Level / Type
National · Recommended
Issue date
June 18, 1993
Implementation date
December 1, 1993
Scope
YD/T 629.2-1993 is the English-translated version of 光纤传输衰减变化的监测方法 后向散射监测法.
YD/T 629.2-1993 is the Chinese industry standard "Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method". It was issued on June 18, 1993 by the Ministry of Posts and Telecommunications, and took effect on December 1, 1993. It is obsolete: it has been replaced by YD/T 629.2-2022.
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Document preview — YD/T 629.2-1993
National Standard of the People's Republic of China
Issued by: Ministry of Posts and Telecommunications
Contents
- Document data
1 Document data
Sector: Telecom (industry standard).
Issuing body: Ministry of Posts and Telecommunications.
Date of issue: 1993-06-18.
Date of implementation: 1993-12-01.
Status: obsolete, replaced by YD/T 629.2-2022.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/Z 41287.1-2022Optical fiber telecommunication cable for use in premises cabling - Part 1:Optical fibre cables for duct and directly buried application
- GB/Z 41287.2-2022Optical fibre telecommunication cables for use in premises cabling - Part 2:Optical fibre cables for self-supporting aerial application
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Related Standards
YD/T 629.1-1993 — Monitoring method of attenuation changes in optical fiber transmission Transmission power monitoring method
YD/T 629.1-2022 — Methods for monitoring changes in optical fiber transmission attenuation - Part 1: Transmission power method
YD/T 629.2-2022 — Methods for Monitoring Changes in Optical Fiber Transmission Attenuation - Part 2: Backscatter Method
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YD/T 629.2-1993
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