IEC 61753-121-3:2010 PDF

Fibre optic interconnecting devices and passive components - Performance standard - Part 121-3: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category U - Uncontrolled environment

First page of standard IEC 61753-121-3:2010

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Title (English):

IEC 61753-121-3:2010

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 22
Publication date:: April 29, 2010
Edition:: IEC IS 61753 edition 1 version 1
ICS:: 33.180.20

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Description (English):

IEC 61753-121-3:2010 specifies the test requirements for finished cable assemblies for use as patchcords, work area cords and equipment cords for applications in a uncontrolled (U) environment according to IEC 61753-1, where the connectors already comply with the Category U requirements of IEC 61753-1. The assemblies consist of simplex or duplex fibre optic cable terminated at each end of the cable with non-angled (PC) or angled (APC) polished single-mode fibre optic connectors with cylindrical ferrules. The wavelength of operation is between 1 260 nm and 1 625 nm.

Technical details

Technical committee: SC 86B - Fibre optic interconnecting devices and passive components
SKU: IEC 61753-121-3:2010

Abstract

Overview

IEC 61753-121-3:2010 is a performance standard for finished fibre‑optic cable assemblies - specifically simplex and duplex cords using single‑mode fibre and cylindrical ferrule connectors - intended for Category U (uncontrolled) environments. It defines the test requirements for patchcords, work‑area cords and equipment cords where the connectors already meet Category U connector requirements from IEC 61753‑1. Applicable connector polish types include non‑angled (PC) and angled (APC) terminations, with operation wavelengths from 1260 nm to 1625 nm.

Key technical topics and requirements

Scope & assembly types: finished cable assemblies for patching and equipment interconnects (simplex/duplex).
Connector types: single‑mode, cylindrical ferrule connectors, PC and APC polished endfaces.
Optical performance tests: attenuation and return loss measurements at specified wavelengths; active monitoring of changes in attenuation/return loss.
Endface and visual inspection: endface geometry and contamination checks consistent with IEC 61300‑3‑35 and related test methods.
Mechanical requirements: cable retention, torsion, static side load and strain‑relief flexing tests per IEC 61300 series procedures.
Climatic tests: change of temperature and other environmental checks appropriate for uncontrolled environments.
Test planning and reporting: sample size, specimen selection and required test report content (annexes provide details on sample sourcing and specific test setups).
Normative references: interoperates with IEC 61753‑1 (general guidance), IEC 61754 series (mechanical interfaces), IEC 61755 series (optical interfaces), IEC 60794 and IEC 60793 product/cable specifications.

Practical applications - who uses this standard

Fibre‑optic cable and connector manufacturers for product validation and quality control.
Test laboratories and compliance bodies performing performance verification against Category U requirements.
System integrators and data centre operators specifying patchcord performance for uncontrolled environments.
Procurement and specification authors who need objective acceptance criteria for patchcords, work‑area cords and equipment cords.
R&D and product engineers designing connectors and assemblies to meet international performance norms.

Related standards

IEC 61753‑1 - Performance standard: general and guidance
IEC 61754 series - Fibre connector mechanical interfaces
IEC 61755 series - Fibre connector optical interfaces
IEC 61300 series - Basic test and measurement procedures (visual, mechanical, climatic tests)
IEC 60794‑2‑50 / IEC 60793‑2‑50 - Cable and fibre product specifications

This standard is essential when specifying or testing single‑mode patchcords for uncontrolled environments and ensures consistent, repeatable performance criteria for manufacturers, testers and end users.

Related standards

Standards mentioned in the description

Abstract

Overview

Key technical topics and requirements

Scope & assembly types: finished cable assemblies for patching and equipment interconnects (simplex/duplex).
Connector types: single‑mode, cylindrical ferrule connectors, PC and APC polished endfaces.
Optical performance tests: attenuation and return loss measurements at specified wavelengths; active monitoring of changes in attenuation/return loss.
Endface and visual inspection: endface geometry and contamination checks consistent with IEC 61300‑3‑35 and related test methods.
Mechanical requirements: cable retention, torsion, static side load and strain‑relief flexing tests per IEC 61300 series procedures.
Climatic tests: change of temperature and other environmental checks appropriate for uncontrolled environments.
Test planning and reporting: sample size, specimen selection and required test report content (annexes provide details on sample sourcing and specific test setups).
Normative references: interoperates with IEC 61753‑1 (general guidance), IEC 61754 series (mechanical interfaces), IEC 61755 series (optical interfaces), IEC 60794 and IEC 60793 product/cable specifications.

Practical applications - who uses this standard

Fibre‑optic cable and connector manufacturers for product validation and quality control.
Test laboratories and compliance bodies performing performance verification against Category U requirements.
System integrators and data centre operators specifying patchcord performance for uncontrolled environments.
Procurement and specification authors who need objective acceptance criteria for patchcords, work‑area cords and equipment cords.
R&D and product engineers designing connectors and assemblies to meet international performance norms.

Related standards

IEC 61753‑1 - Performance standard: general and guidance
IEC 61754 series - Fibre connector mechanical interfaces
IEC 61755 series - Fibre connector optical interfaces
IEC 61300 series - Basic test and measurement procedures (visual, mechanical, climatic tests)
IEC 60794‑2‑50 / IEC 60793‑2‑50 - Cable and fibre product specifications

IEC 61753-121-3:2010 PDF

Technical details

Abstract

Overview

Key technical topics and requirements

Practical applications - who uses this standard

Related standards

Related standards

Abstract

Overview

Key technical topics and requirements

Practical applications - who uses this standard

Related standards

Related standards

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