IEC 60794-2-30:2019 is available as \/2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60794-2-30:2019 is a family specification which covers indoor optical fibre ribbon cables for use in terminated cable assemblies. The requirements of the sectional specification IEC 60794-2 are applicable to cables covered by this document. The requirements of this document are written to define flat ribbon cables. This document can be applicable to other cable constructions. Parts of IEC 60794-3 which are applicable for ribbon tests are the subject of IEC 60794-1-31. Annex B contains requirements that supersede the normal requirements in case the cables are intended to be used in installation governed by the MICE table of ISO 11801-3.This third edition cancels and replaces the second edition published in 2008. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: a) removal of Annex C; b) reference to the most recent fibre standards; c) reference to IEC 60794-1-21, IEC 60794-1-22, IEC 60794-1-23 and IEC 60794-1-24. This standard is to be used in conjunction with IEC 60794-1-1, IEC 60794-1-2 and IEC 60794-2. Keywords: indoor optical fibre ribbon cables, flat ribbon cables<\/p>\n
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| 2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3 Terms and definitions 4 Construction 4.1 General 4.2 Optical fibres and primary coating <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.3 Buffer 4.4 Ruggedized fibre 4.5 Slotted core 4.6 Tube 4.7 Stranded loose tube 4.8 Ribbon structure 4.9 Strength and anti-buckling members 4.10 Ripcord 4.11 Sheath 4.12 Sheath marking 4.13 Identification <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.14 Example of cable construction 5 Dimensions 5.1 Optical fibres and primary coating 5.2 Ribbon structural geometry 5.3 Optical fibre ribbon cable Figures Figure 1 \u2013 Example of identification by means of colour coding and positioning <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6 Tests 6.1 General 6.2 Dimensions 6.3 Mechanical requirements 6.3.1 Cable tensile performance Tables Table 1 \u2013 Dimensions of optical fibre ribbon cables <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.3.2 Cable crush 6.3.3 Cable impact 6.3.4 Cable bending 6.3.5 Cable repeated bending 6.3.6 Cable bending under tension 6.3.7 Cable bending at low temperature <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 6.3.8 Cable flexing 6.3.9 Cable torsion 6.3.10 Cable kink 6.4 Environmental requirements \u2013 Temperature cycling Table 2 \u2013 Temperature cycling conditions <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 6.5 Transmission requirements 6.5.1 General 6.5.2 Single mode optical fibres 6.5.3 Single-mode dispersion unshifted optical fibre (B1.1) 6.5.4 Single-mode dispersion unshifted optical fibre (B1.2) Table 3 \u2013 Common single-mode fibre requirements Table 4 \u2013 Cabled attenuation requirements for B1.1 optical fibre Table 5 \u2013 Cabled attenuation requirements for B1.2 optical fibre <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6.5.5 Single-mode dispersion unshifted optical fibre (B1.3) 6.5.6 Single-mode dispersion shifted optical fibre (B2) 6.5.7 Single-mode non-zero dispersion optical fibre (B4) 6.5.8 Single-mode wide band non-zero dispersion optical fibre (B5) Table 6 \u2013 Cabled attenuation requirements for B1.3 optical fibre Table 7 \u2013 Cabled attenuation requirements for B2 optical fibre Table 8 \u2013 Cabled attenuation requirements for B4 optical fibre Table 9 \u2013 Cabled attenuation requirements for B5 optical fibre <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 6.5.9 Single-mode bending loss insensitive optical fibre (B6) 6.5.10 Multimode fibres 6.6 Fire performance Table 10 \u2013 Cabled attenuation requirements for B6 optical fibre Table 11 \u2013 Requirements for multimode optical fibre (A1a and A1b) <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Annex A (informative) Example of cable construction Figure A.1 \u2013 Example of cross-section of a four-fibre ribbon cable <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Annex B (informative) Family specification indoor cables \u2013 Optical fibre ribbon cables B.1 Blank detail specification B.1.1 Cable description Table B.1 \u2013 Cable description <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | B.1.2 Cable element B.1.3 Cable construction B.1.4 Installation and operating conditions Table B.2 \u2013 Cable element Table B.3 \u2013 Cable construction <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | B.1.5 Mechanical, environmental and fire performance tests B.2 Cables subject to the MICE environmental classification (ISO 11801-3 and related standards) Table B.4 \u2013 Installation and operating conditions Table B.5 \u2013 Tests applicable <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Optical fibre cables – Indoor cables. Family specification for optical fibre ribbon cables for use in terminated cable assemblies<\/b><\/p>\n |