IEC 60794-2-23:2024

Overview

IEC 60794-2-23:2024 is an international standard developed by the International Electrotechnical Commission (IEC) that provides a detailed specification for indoor optical fibre cables specifically designed for use in MPO (multi-fibre push on) connector terminated cable assemblies. This standard forms part of the IEC 60794 series, which addresses optical fibre cable specifications for various applications.

The primary focus of IEC 60794-2-23 is on multi-fibre cables intended for high-density, high-performance communications infrastructure, supporting trunk cabling and cord assemblies in data centers, enterprise networks, and other environments where rapid deployment and reliable connectivity are crucial.

Key Topics

• Scope: Specifies requirements for indoor multi-fibre optical cables used with MPO connectors in cable assemblies.
• Construction Requirements: Details cable design considerations, such as optical fibre types (single-mode, multimode), ribbon structures, strength and anti-buckling members, ripcords, cable sheaths, and sheath marking.
• Performance Testing: Outlines mechanical and environmental test methods, including tensile strength, crush resistance, impact, bending, torsion, kink, and abrasion resistance for cable marking.
• Transmission Requirements: Ensures that cable attenuation and other transmission characteristics meet the requirements defined in relevant IEC standards.
• Fire Performance: All cables must pass fire safety tests as required by local and international regulations, ensuring suitability for installation in indoor environments.
• Identification and Agreement: Stipulates that individual fibres within each cable must be easily identifiable along the length, and key performance criteria can be defined by agreement between customer and supplier.

Applications

IEC 60794-2-23:2024 is highly relevant for:

• Data Centers: Facilitates high-density backbone and horizontal cabling using pre-terminated MPO cable assemblies, enabling faster installation and improved network scalability.
• Enterprise Network Infrastructure: Supports building backbone (trunk) cabling for modern office, campus, or institutional environments with reliable, easily managed fibre connections.
• Telecommunications: Used in central offices and core network installations requiring rapid deployment and high bandwidth connections.
• Patch Cords and Jumper Cords: Suitable for use in fibre distribution frames, cross-connects, and interconnects inside network housings and racks.
• Structured Cabling Systems: Compliant multi-fibre cables can be customized to different lengths or sheath requirements for patching or fixed routing in controlled indoor areas.

By adhering to IEC 60794-2-23, manufacturers and network designers ensure that MPO cable assemblies meet rigorous international standards for mechanical robustness, transmission performance, and safety, supporting long-term reliability in mission-critical network infrastructure.

Related Standards

IEC 60794-2-23:2024 works in conjunction with several other optical fibre and cabling standards to ensure comprehensive quality:

• IEC 60793 Series: Pertains to optical fibre measurement methods and specifications for both single-mode and multimode fibres.
• IEC 60794-1-1, -1-2, -1-21, -1-22: Covers generic specifications and base test procedures for optical fibre cables, including mechanical and environmental tests.
• IEC 60794-2 and IEC 60794-2-20: Handle sectional and family specifications for indoor and multi-fibre optical cables, respectively.
• IEC 60811-202/203: Provides test methods for non-metallic cable materials, focusing on sheath and dimension measurements.
• EN 50575: Addresses reaction to fire requirements for cables used in construction works, critical for compliance in Europe.
• ISO/IEC 11801-1: Specifies generic cabling requirements for customer premises, often referenced in structured cabling designs.
• IEC TR 62222: Offers guidance on fire performance evaluation for communications cables in buildings.
• ISO/IEC TR 29106: Introduces the MICE environmental classification applied to information and communication technology cabling.

By following IEC 60794-2-23:2024 and its related standards, organizations can achieve robust, high-performance, and regulatory-compliant MPO indoor cable installations.