EN IEC 62343:2023/prA1:2025

Dynamic modules - Generic specification

Dynamische Module - Fachgrundspezifikation

Modules dynamiques - Spécification générique

Dinamični moduli - Splošna specifikacija - Dopolnilo A1

General Information

• Status: Not Published
• Publication Date: 03-Mar-2027
• ICS: 33.180.01 - Fibre optic systems in general
• ICS: 33.180.99 - Other fibre optic equipment
• Technical Committee: CLC/SR 86C - Fibre optic systems and active devices
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 31-Oct-2025
• Completion Date: 31-Oct-2025
• Ref Project: SIST EN IEC 62343:2023/oprA1:2025 - Amendment 1 - Dynamic modules - Generic specification

Relations

• Amends: EN IEC 62343:2023 - Dynamic modules - Generic specification
• Effective Date: 15-Apr-2025

Overview

EN IEC 62343:2023/prA1:2025 is the latest amendment to the international standard governing dynamic modules with a generic specification. Developed by the International Electrotechnical Commission (IEC) under Technical Committee 86C (Fibre optic systems and active devices), this document aims to establish standardized practices for the design, specification, and compliance of dynamic modules used in fibre optic systems. Scheduled for publication in October 2025, the amendment updates the earlier EN IEC 62343:2023 to address electromagnetic compatibility and optical performance parameters more comprehensively.

This standard plays a crucial role in promoting uniformity and interoperability in the field of fibre optic dynamic modules by aligning technical criteria across international borders. It also supports manufacturers, system integrators, and regulatory bodies in ensuring robust and reliable performance while complying with electromagnetic emission and immunity requirements as per industry standards.

Key Topics

• Generic Specification of Dynamic Modules: The amendment provides updated definitions and performance standards for dynamic modules, which are essential components in fibre optic communication systems, enabling switching, routing, and signal management.

• Electromagnetic Compatibility (EMC):

  • Compliance with IEC 61000-6-1 (immunity standard for residential, commercial, and light-industrial environments).
  • Compliance with IEC 61000-6-3 (emission standard for equipment in residential environments).
    The amendment ensures dynamic modules are designed to minimize electromagnetic emissions and withstand interference, critical for maintaining signal integrity in dense fibre optic networks.

• Optical Parameters and Definitions:

  • Refined definition of X-dB passband width, integral in specifying the operational wavelength range considering thermal shift, polarization dependence, and aging effects.
  • Enhanced terminology around adjacent and non-adjacent channel isolation, with clear notation and graphical keys to define channel isolation metrics, improving clarity in performance assessment.

• Normative References:
  The amendment introduces new normative references such as IEC TS 62627-09:2016 for vocabulary related to fibre optic devices, which supports standardization consistency across documents.

Applications

EN IEC 62343:2023/prA1:2025 serves a wide array of applications within the telecommunications and data communication sectors, especially where high-performance fibre optic modules are deployed. Practical applications include:

• Fibre Optic Networks: Enhancing the design of dynamic switching modules in Dense Wavelength Division Multiplexing (DWDM) systems to improve optical channel passband precision and isolation.

• Data Centers and Cloud Infrastructure: Ensuring EMC compliance helps maintain robust connections and reduce susceptibility to electromagnetic interference, vital in high-density and high-frequency data environments.

• Telecommunication Equipment Manufacturing: Guiding manufacturers on international compliance requirements and helping them improve product interoperability and performance consistency.

• Industrial and Commercial Communications: Dynamic modules compliant with these specifications ensure reliable operation in diverse environments, including residential, commercial, and light-industrial sites.

Related Standards

• IEC 61000-6-1: Generic EMC immunity standards for residential, commercial, and light-industrial environments, referenced extensively for EMC requirements of dynamic modules.

• IEC 61000-6-3: Generic EMC emission standards for equipment used in residential environments, ensuring minimal interference generation.

• IEC TS 62627-09:2016: Vocabulary and definitions for fibre optic interconnecting devices and passive components, supporting clarity and uniform understanding in fibre optic technology literature.

• EN IEC 62343:2023: The main standard on dynamic modules to which this amendment (prA1:2025) applies, laying out foundational generic specifications.

Conclusion

The EN IEC 62343:2023/prA1:2025 amendment is a vital update to the standard framework surrounding dynamic fibre optic modules. It enhances the technical specifications by incorporating detailed EMC requirements and refined optical performance parameters, thereby supporting international harmonization and operational excellence. Stakeholders involved in fibre optic system design, manufacture, and deployment should closely follow this standard to ensure compliance, interoperability, and optimized system performance.

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Keywords: dynamic modules, fibre optic systems, IEC 62343 amendment, electromagnetic compatibility, EMC standards, DWDM, optical passband width, channel isolation, fibre optic standards, IEC technical committee 86C, telecommunications standards.

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2025
Dinamični moduli - Splošna specifikacija - Dopolnilo A1
Amendment 1 - Dynamic modules - Generic specification
Dynamische Module - Fachgrundspezifikation
Amendement 1 - Modules dynamiques - Spécification générique
Ta slovenski standard je istoveten z: EN IEC 62343:2023/prA1:2025
ICS:
33.180.01 Sistemi z optičnimi vlakni na Fibre optic systems in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

86C/1983/CDV
COMMITTEE DRAFT FOR VOTE (CDV)

PROJECT NUMBER:
IEC 62343/AMD1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-08-08 2025-10-31
SUPERSEDES DOCUMENTS:
86C/1971/CD, 86C/1981/CC
IEC SC 86C : FIBRE OPTIC SYSTEMS, SENSING AND ACTIVE DEVICES
SECRETARIAT: SECRETARY:
United States of America Mr Fred Heismann
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:
Amendment 1 - Dynamic modules - Generic specification

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, or any part of it, for any other
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IEC CDV 62343/AMD1 © IEC 2025
1 INTERNATIONAL ELECTROTECHNICAL COMMISSION
2 ____________
4 DYNAMIC MODULES – GENERIC SPECIFICATION
6 AMENDMENT 1
8 FOREWORD
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