Optični kabli - 1-108. del: Splošne specifikacije - Osnovni preskusni postopki za optične kable - Mehanske preskusne metode - Upogibanje, metoda E8

General Information

Status
Not Published
Public Enquiry End Date
30-Jun-2026
Technical Committee
MOC - Mobile Communications
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
15-Apr-2026
Due Date
02-Sep-2026

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oSIST prEN IEC 60794-1-108:2026

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Effective Date
09-Sep-2025
Effective Date
09-Sep-2025

Overview

oSIST prEN IEC 60794-1-108:2026 is an international standard developed by CLC and IEC for optical fibre cables. Specifically, it outlines basic optical cable test procedures with a focus on mechanical testing methods. This document introduces the flexing test (Method E8) to assess the durability and reliability of optical fibre cables under repeated flexing conditions.

Flexibility and mechanical endurance are essential for optical cables, especially in environments requiring repeated movement, such as elevator systems and other dynamic cable installations. The standard contributes to the uniform evaluation and comparison of different optical cable designs by providing a consistent testing framework.

Key Topics

  • Scope and Application: The standard applies to optical fibre cables used in telecommunications and similar devices, including hybrid cables with both optical fibres and electrical conductors.
  • Test Objective: Method E8 evaluates the ability of an optical fibre cable to withstand repeated flexing, ensuring long-term performance without structural or signal degradation.
  • Apparatus and Setup: The test uses a defined setup involving pulleys, restraining clamps, weights, and (where needed) optical monitoring equipment. The configuration ensures realistic flexing forces and conditions.
  • Testing Procedure:
    • The cable sample is routed over specified pulleys with both ends weighted to simulate operational stress.
    • The flexing process consists of a defined number of cycles at specific speeds and temperatures, with requirements detailed in the relevant specification.
    • Acceptance criteria include no loss of optical continuity, no excessive attenuation, and no visible physical damage.
  • Reporting Requirements: A comprehensive test report must detail the test setup, conditions, observed performance, as well as any deviations from procedures or physical damages.

Applications

The flexing test (Method E8) described in oSIST prEN IEC 60794-1-108:2026 is critical in the quality assurance process for optical fibre cables, particularly for products intended for environments involving dynamic movement, such as:

  • Elevator and Lifting Systems: Where cables experience frequent flexing due to continuous vertical motion.
  • Robotic and Industrial Automation: Applications with continuously moving cable tracks or articulated robotic arms.
  • Transport Systems: Installations within trains, subways, or buses where cables must endure vibration and movement.
  • Building Automation and Smart Infrastructure: Flexible optical cables for smart building solutions requiring repeated movement or repositioning.

Ensuring reliability in these environments reduces maintenance costs, guarantees network stability, and prevents costly downtimes due to cable failure.

Related Standards

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

  • IEC 60793-1-46: Outlines measurement methods and test procedures for monitoring changes in attenuation, crucial during and after flex testing.
  • IEC 60794-1-1: Provides the generic specifications and general definitions for optical fibres and cables.
  • IEC 60794-1-2: Offers a complete reference guide and general guidance on basic optical cable test procedures.
  • IEC 60794-1-21: The previous edition where Method E8 was included, now replaced by this standalone document.

Adhering to these standards ensures a harmonized approach to optical fibre cable testing, increasing confidence in mechanical performance and long-term cable reliability across global infrastructure projects.

Keywords: optical fibre cable, mechanical testing, flexing method E8, IEC 60794-1-108, cable durability, telecommunication cables, cable test procedures, optical cable reliability, cable flexibility, international standards.

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oSIST prEN IEC 60794-1-108:2026

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Frequently Asked Questions

oSIST prEN IEC 60794-1-108:2026 is a draft published by the Slovenian Institute for Standardization (SIST). Its full title is "Optical fibre cables - Part 1-108: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Flexing, method E8". This standard covers: Optical fibre cables - Part 1-108: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Flexing, method E8

Optical fibre cables - Part 1-108: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Flexing, method E8

oSIST prEN IEC 60794-1-108:2026 is classified under the following ICS (International Classification for Standards) categories: 33.180.10 - Fibres and cables. The ICS classification helps identify the subject area and facilitates finding related standards.

oSIST prEN IEC 60794-1-108:2026 has the following relationships with other standards: It is inter standard links to SIST EN 60794-1-21:2015/A1:2020, SIST EN 60794-1-21:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

oSIST prEN IEC 60794-1-108:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-junij-2026
Optični kabli - 1-108. del: Splošne specifikacije - Osnovni preskusni postopki za
optične kable - Mehanske preskusne metode - Upogibanje, metoda E8
Optical fibre cables - Part 1-108: Generic specification - Basic optical cable test
procedures - Mechanical tests methods - Flexing, method E8
Ta slovenski standard je istoveten z: prEN IEC 60794-1-108:2026
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

86A/2680/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60794-1-108 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2026-04-10 2026-07-03
SUPERSEDES DOCUMENTS:
86A/2508/CD, 86A/2676/CC
IEC SC 86A : FIBRES AND CABLES
SECRETARIAT: SECRETARY:
France Mr Laurent Gasca
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):

ASPECTS CONCERNED:
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”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Optical fibre cables - Part 1-108: Generic specification - Basic optical cable test procedures -
Mechanical tests methods - Flexing, Method E8

PROPOSED STABILITY DATE: 2029
NOTE FROM TC/SC OFFICERS:
this electronic 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, o r any part of it, for any other
purpose without permission in writing from IEC.

IEC CDV 60794-1-108 © IEC 2026
1 CONTENTS
2 CONTENTS . 1
3 FOREWORD . 2
4 INTRODUCTION . 4
5 1 Scope . 5
6 2 Normative references . 5
7 3 Terms and definitions . 5
8 4 Method E8: Flexing . 6
9 4.1 Object . 6
10 4.2 Sample . 6
11 4.3 Apparatus . 6
12 4.4 Procedure . 7
13 4.5 Requirements . 7
14 4.6 Details to be specified . 7
15 4.7 Details to be reported . 7
16 Figure 1 – Flexing apparatus . 7
IEC CDV 60794-1-108 © IEC 2026
19 INTERNATIONAL ELECTROTECHNICAL COMMISSION
20 ____________
22 OPTICAL FIBRE CABLES –
24 Part 1-108: Generic specification –
25 Basic optical cable test procedures –
26 Mechanical test method – Flexing, method E8
28 FOREWORD
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