kSIST FprEN IEC 60794-1-122:2026

Optical fibre cables - Part 1-122: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Buffered fibre movement under compression in optical fibre cables for use in patch cords, Method E22

Lichtwellenleiterkabel – Teil 1-122: Fachgrundspezifikation - Grundlegende Prüfverfahren für Lichtwellenleiterkabel - Mechanische Prüfverfahren - Bewegung von ummantelten Fasern unter Komprimierung in Lichtwellenleiterkabeln zur Verwendung in Patchkabeln, Verfahren E22

Câbles à fibres optiques - Partie 1-122: Spécification générique - Procédures fondamentales d’essais des câbles optiques - Méthodes d’essais mécaniques - Mouvement des fibres sous revêtement protecteur sous l’effet d’une compression dans les câbles à fibres optiques utilisés comme cordons de brassage, Méthode E22

Optični kabli - 1-122. del: Splošna specifikacija - Osnovni preskusni postopki za optične kable - Mehanske preskusne metode - Premik zaščitenih vlaken pod pritiskom v optičnih kablih za uporabo v preveznih vrvicah, metoda E22

General Information

• Status: Not Published
• Public Enquiry End Date: 31-May-2025
• ICS: 33.180.10 - Fibres and cables
• Technical Committee: MOC - Mobile Communications
• Current Stage: 5020 - Formal vote (FV) (Adopted Project)
• Start Date: 24-Mar-2026
• Due Date: 12-May-2026
• Completion Date: 31-Mar-2026
• Ref Project: FprEN IEC 60794-1-122:2026 - Optical fibre cables - Part 1-122: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Buffered fibre movement under compression in optical fibre cables for use in patch cords, Method E22

Relations

• Splited From: SIST EN 60794-1-21:2015/A1:2020 - Optical fibre cables - Part 1-21: Generic specification - Basic optical cable test procedures - Mechanical tests methods (IEC 60794-1-21:2015/A1:2020)
• Effective Date: 09-Sep-2025
• Splited From: SIST EN 60794-1-21:2015 - Optical fibre cables -- Part 1-21: Generic specification - Basic optical cable test procedures - Mechanical tests methods (IEC 60794-1-21:2015)
• Effective Date: 09-Sep-2025

Overview

kSIST FprEN IEC 60794-1-122:2026 specifies a standardized test procedure for evaluating the mechanical behavior of buffered fibre movement under compression in optical fibre cables designed for use in patch cords. Published by CLC and IEC, this standard establishes a consistent methodology (Method E22) to determine both the attenuation change and the reaction force when an axial compression is applied. The document aims to ensure the quality, reliability, and performance of optical fibre patch cords, critical components in modern telecommunications and data networks.

Key Topics

• Buffered Fibre Movement under Compression
  This standard defines the process for testing how buffered optical fibres within cables behave when subjected to axial compression, which is vital for patch cord durability.

• Attenuation Change Measurement
  The procedure includes monitoring attenuation changes during compression, ensuring minimal signal loss in patch cords.

• Reaction Force Assessment
  Reaction forces experienced by the fibre are measured to ensure mechanical robustness and avoid physical damage during handling or installation.

• Sample Preparation and Test Method
  A defined process for sample preparation, apparatus setup, and step-by-step test procedures ensures repeatability and accuracy across labs and manufacturers.

• Reporting and Documentation
  Comprehensive reporting requirements guarantee that all pertinent details - from measured values to deviations - are logged for traceability and quality assurance.

Applications

• Telecommunication Patch Cords
  The primary application is for optical fibre cables used in patch cords, which are essential for high-speed, reliable connections within communication systems.

• Data Centers and Network Infrastructure
  Provides assurance that patch cords meet mechanical reliability demands in environments where frequent connection and disconnection can induce stress on cables.

• Optical Fibre Cable Manufacturing
  Manufacturers use the standard to qualify products, optimize cable design, and demonstrate compliance with international mechanical performance criteria.

• Quality Assurance and Compliance Testing
  Enables systematic evaluation of cable designs for organizations seeking to comply with international fiber optic cable standards or customer specifications.

• Product Development and Design Validation
  Engineers can use results from this test method (Method E22) to refine buffer construction and materials to enhance durability and minimize signal loss.

Related Standards

• IEC 60794-1-1
  Generic specification for optical fibres, providing general requirements and definitions relevant to fibre optic cables.

• IEC 60794-1-2
  General guidance and reference for basic optical cable test procedures, complementing the mechanical methods described in this document.

• IEC 60793-1-46
  Outlines measurement methods for monitoring changes in attenuation in optical fibres, which is integral for the test methodology in IEC 60794-1-122.

• Other parts of IEC 60794 Series
  The IEC 60794 series deals broadly with optical fibre cable specifications and testing, supporting comprehensive quality and performance assessments.

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kSIST FprEN IEC 60794-1-122:2026 is vital for manufacturers, network operators, and quality assurance professionals who require standardized, reliable test methods for evaluating patch cord optical fibre cables, ensuring optimum network reliability, and consistent international quality in optical communications infrastructure. By establishing clear procedures, it promotes global harmonization and trust in fibre optic component performance.

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN IEC 60794-1-122:2025
01-maj-2025
Optični kabli - 1-122. del: Splošna specifikacija - Osnovni preskusni postopki za
optične kable - Mehanske preskusne metode - Premik zaščitenih vlaken pod
pritiskom v optičnih kablih za uporabo v preveznih vrvicah, metoda E22
Optical fibre cables - Part 1-122: Generic specification - Basic optical cable test
procedures - Mechanical tests methods - Buffered fibre movement under compression in
optical fibre cables for use in patch cords, Method E22
Câbles à fibres optiques - Partie 1-122: Spécification générique - Procédures
fondamentales d’essais des câbles optiques - Méthodes d’essais mécaniques -
Mouvement des fibres sous revêtement protecteur sous l’effet d’une compression dans
les câbles à fibres optiques utilisés comme cordons de brassage, Méthode E22
Ta slovenski standard je istoveten z: prEN IEC 60794-1-122
ICS:
33.180.10 (Optična) vlakna in kabli Fibres and cables
oSIST prEN IEC 60794-1-122:2025 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 60794-1-122:2025

oSIST prEN IEC 60794-1-122:2025
86A/2545/CDV
COMMITTEE DRAFT FOR VOTE (CDV)

PROJECT NUMBER:
IEC 60794-1-122 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-03-21 2025-06-13
SUPERSEDES DOCUMENTS:
86A/2476/CD, 86A/2543/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 1-122: Generic specification - Basic optical cable test procedures -
Mechanical tests methods - Buffered fibre movement under compression in optical fibre cables
for use in patch cords, Method E22

PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
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, or any part of it, for any other purpose without
permission in writing from IEC.

oSIST prEN IEC 60794-1-122:2025
IEC CDV 60794-1-122 ED1 © IEC 2025 2 86A/2545/CDV

1 CONTENTS
4 FOREWORD . 3
5 1 Scope . 5
6 2 Normative references . 5
7 3 Terms and definitions . 5
8 4 Method . 5
9 4.1   Object . 5
10 4.2  Sample . 5
11 4.3  Apparatus . 5
12 4.4  Procedure . 6
13 4.5  Requirements . 7
14 4.6  Details to be specified . 7
15 4.7  Details to be reported . 7
19 Figure 1 – Test set-up for fibre movement under compression . 6
oSIST prEN IEC 60794-1-122:2025
IEC CDV 60794-1-122 ED1 © IEC 2025 3 86A/2545/CDV

21 INTERNATIONAL ELECTROTECHNICAL COMMISSION
22 ____________
24 OPTICAL FIBRE CABLES
25 Part 1-122: Generic specification - Basic optical cable test procedures–
26 Mechanical test methods - Buffered fibre movement under compression in
27 optical fibre cables for use in patch cords, Method E22
29 FOREWORD
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