Key points of JIS draft
Key points of JIS draft
The outline of the JIS draft in the following table is at the public opinion acceptance stage. They may be changed or corrected depending on the results of deliberation of JIS drafting & deliberation Committee instituted in the Accredited Standards Developing Organization.
| Standard number | C61280-4-1 |
|---|---|
| Standard title | Fiber-optic communication subsystem test procedures - Part 4-1: Installed cabling plant - Multimode attenuation measurement |
| Objective |
This standard is established to standardize attenuation measurements for installed optical fiber cable plants using multimode optical fiber， streamlining their production and use and improving their quality. The main provisions are as follows: 1. Scope 2. Normative References 3. Terms， Definitions， Graphical Symbols， and Abbreviations 4. Test Methods 5. Uncertainty Summary 6. Test Equipment 7. Test Procedures 8. Calculations 9. Measurement Documentation and Records 10. Annex A (normative) 1-Code Method 11. Annex B (normative) 3-Code Method 12. Annex C (normative) 2-Code Method 13. Annex D (normative) Equipment Code Method 14. Annex E (normative) Optical Time Domain Reflectometer 15. Annex F (normative) Light Source Characteristics Requirements 16. Annex I (normative) Use of Reference Grade Test Cords |
| The number and equivalent nature sign of an international standard which were used as the foundation | IDT IEC 61280-4-1:2019， Fibre-optic communication subsystem test procedures-Part 4-1: Installed cabling plant－Multimode attenuation measurement ＋ Amendment 1:2021 |
| International classification for standard, ICS | 33.180.01 |
