kSIST FprEN IEC 60794-1-302:2026

• Status: Not Published
• Public Enquiry End Date: 31-Jul-2024
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: MOC - Mobile Communications
• Current Stage: 5020 - Formal vote (FV) (Adopted Project)
• Start Date: 22-Sep-2026
• Due Date: 10-Nov-2026
• Ref Project: FprEN IEC 60794-1-302:2026 - Optical fibre cables - Part 1-302: Generic specification - Basic optical cable test procedures - Cable element test methods - Ribbon dimensions and geometry – Visual method, Method G2

• Splited From: SIST EN IEC 60794-1-23:2020 - Optical fibre cables - Part 1-23: Generic specification - Basic optical cable test procedures - Cable element test methods (IEC 60794-1-23:2019)
• Effective Date: 09-Jun-2026

Overview

kSIST FprEN IEC 60794-1-302:2026 specifies the basic optical cable test procedures for assessing the dimensions and geometry of optical fibre ribbons using a visual method, known as Method G2. Developed by SIST and aligned with IEC standards, this document establishes consistent requirements for evaluating the physical structure of optical fibre ribbons. The standard is applicable to ribbon structures in optical fibre cables used for telecommunications, as well as cables combining optical fibres and electrical conductors, including edge-bonded, encapsulated, or partially bonded ribbons.

Monitoring the width, height, and fibre alignment is essential to ensure the quality and consistent performance of optical fibre cables in high-speed data and communication networks. The visual test method defined here supports manufacturing process control and type testing, contributing to global interoperability and reliability in fibre optic infrastructure.

Key Topics

This standard covers:

• Test Objectives: Measurement of ribbon geometry, specifically width, height, and fibre alignment, to validate manufacturing processes.
• Applicability: Relevant for optical fibre ribbons used in telecommunication systems and mixed cable types.
• Sample Selection: Methods for choosing representative and statistically independent samples for testing.
• Measurement Apparatus: Use of microscopes or profile projectors for precise dimension analysis.
• Procedure Details:
  • Preparation and handling of test samples to avoid altering ribbon structure.
  • Two alternative visual methods (Method 1 and Method 2) for examining cross-sections or stripped ribbon ends.
• Measurement Parameters:
  • Width and Height: The smallest rectangle enclosing the ribbon cross-section.
  • Fibre Alignment: Measurement of planarity and horizontal separation between fibres.
• Specification Requirements: Guidance on permissible values, sample quantity, and reporting of results.

Applications

Adhering to IEC 60794-1-302 delivers practical benefits across various stages of the optical cable lifecycle:

• Quality assurance: Enables manufacturers to maintain strict control over the geometrical properties of fibre ribbons, directly influencing performance such as splicability and ease of handling.
• Type testing: Provides standardized procedures for verifying new cable designs before mass production or deployment, ensuring global alignment and reducing risks of incompatibility in international projects.
• Process control: Supports ongoing monitoring in production environments, helping to detect process deviations early and refine manufacturing settings.
• Interoperability: Ensures cables meet recognized geometric standards, which is crucial when combining components from multiple suppliers in large-scale fibre optic networks.
• Research and development: Facilitates the design and assessment of advanced cable and ribbon structures by offering clear testing benchmarks.

Related Standards

For a comprehensive approach to optical fibre cable performance and testing, consider the following related standards:

• IEC 60794-1-2: General guidance on basic optical cable test procedures, offering foundational instructions referenced by this standard.
• IEC 60794-1-31: Specific test procedures for optical fibre ribbons, providing detailed methods and requirements for ribbon elements.
• IEC 60794 Series: A family of standards covering various aspects of optical fibre cable design, performance, and testing.
• ISO/IEC directives: Governing documents that outline procedures and terminology for international standardization.

By implementing kSIST FprEN IEC 60794-1-302:2026, organizations ensure globally recognized quality and compatibility for optical fibre ribbon geometry, supporting reliable, high-performance broadband and communication networks.

SLOVENSKI STANDARD
oSIST prEN IEC 60794-1-302:2024
01-julij-2024
Optični kabli - 1-302. del: Splošna specifikacija - Osnovni preskusni postopki za
optične kable - Preskusne metode za kabelske elemente - Mere in geometrija traku
- Vizualna metoda, metoda G2
Optical fibre cables - Part 1-302: Generic specification - Basic optical cable test
procedures - Cable element test methods - Ribbon dimensions and geometry - Visual
method, Method G2
Câbles à fibres optiques - Partie 1-302: Spécification générique - Procédures
fondamentales d’essais des câbles optiques - Méthodes d'essai des éléments de câbles
- Dimensions et géométrie du ruban - Méthode visuelle, méthode g2
Ta slovenski standard je istoveten z: prEN IEC 60794-1-302:2024
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
oSIST prEN IEC 60794-1-302:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 60794-1-302:2024

oSIST prEN IEC 60794-1-302:2024

86A/2447/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60794-1-302 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-05-10 2024-08-02
SUPERSEDES DOCUMENTS:
86A/2343/CD, 86A/2444/CC
IEC SC 86A : FIBRES AND CABLES
SECRETARIAT: SECRETARY:
France Mr Laurent Gasca
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of CENELEC,
is drawn to the fact that this Committee Draft for Vote (CDV) is
submitted for parallel voting.
The CENELEC members are invited to vote through the CENELEC
online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses to be
included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC c lauses.
(SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Optical fibre cables - Part 1-302: Generic specification - Basic optical cable test procedures - Cable element
test methods - Ribbon dimensions and geometry – Visual method, Method G2

PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions. You may not copy
or "mirror" the file or printed version of the document, or any part of it, for any other purpose without permission in writi ng from IEC.

oSIST prEN IEC 60794-1-302:2024
86A/2447/CDV – 2 – IEC CDV 60794-1-302 © IEC 2024

CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 General requirements . 6
5 Method G2: Ribbon dimensions and geometry – Visual method . 6
5.1 Object . 6
5.2 Sample . 6
5.3 Apparatus . 6
5.4 Definitions of ribbon dimensions and geometry . 6
5.4.1 General . 6
5.4.2 Width and height. 7
5.4.3 Basis line . 7
5.4.4 Fibre alignment . 7
5.5 Procedure . 7
5.5.1 General . 7
5.5.2 Method 1 . 7
5.5.3 Method 2 . 8
5.6 Requirements . 8
5.7 Details to be specified . 8
Bibliography . 9

Figure 1 – Cross-sectional drawing illustrating fibre ribbon geometry . 6

oSIST prEN IEC 60794-1-302:2024
IEC CDV 60794-1-302 © IEC 2024 – 3 – 86A/2447/CDV
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL FIBRE CABLES
Part 1-302: Generic specification
– Basic optical cable test procedures Cable element test
methods -
– Ribbon dimensions and geometry – Visual method, Method G2

FOREWORD
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