YD/T 629.2-2022Methods for Monitoring Changes in Optical Fiber Transmission Attenuation - Part 2: Backscatter Method (English PDF)
光纤传输衰减变化的监测方法 第2部分:后向散射法
This is a limited preview
Buy now to download the full PDF (7 pages)
Need quotation for your management?
Get a formal quotation for YD/T 629.2-2022 in 30 minutes.
Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
September 30, 2022
Implementation date
January 1, 2023
Scope
YD/T 629.2-2022 is the English-translated version of 光纤传输衰减变化的监测方法 第2部分:后向散射法.
YD/T 629.2-2022 — This standard specifies the overview, samples, monitoring system, procedures and results of the backscatter monitoring method for optical fiber transmission attenuation change.
Found what you need?
Document preview — YD/T 629.2-2022
National Standard of the People's Republic of China
- Classification
- M 33
- Replacing
- YD/T 629.2-1993
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the overview, samples, monitoring system, procedures and results of the backscatter monitoring method for optical fiber transmission attenuation change. This standard applies to the monitoring of attenuation changes of silica-based single-mode and multi-mode optical fiber cables.
Document data
Chinese classification (CCS): M33.
Estimated length of the Chinese original: 9,957 words.
Supersedes the earlier edition YD/T 629.2-1993.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 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
How to Download YD/T 629.2-2022
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
YD/T 629.1-2022 — Methods for monitoring changes in optical fiber transmission attenuation - Part 1: Transmission power method
YD/T 1114-2026 — Halogen-free flame retardant optical fibre cable
YD/T 1181.1-2026 — Characteristics of non-metal reinforcement used for optical fiber cables - Part 1: Glass fiber reinforced plastic rods
Secure payment via Stripe
Payments accepted
YD/T 629.2-2022
$105.00