IEC 61300-3-21:2019 PDF

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-21: Examinations and measurements - Switching time

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Title (English):

IEC 61300-3-21:2019

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-21: Examinations and measurements - Switching time

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 31
Publication date:: September 20, 2019
Edition:: IEC IS 61300 edition 3 version 1
ICS:: 33.180.20

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Description (English):

IEC 61300-3-21:2019 describes a method to measure the switching time and related performance parameters of a fibre optic spatial switch when the actuation energy is applied or removed to change the state of the switch. This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - changes to remove redundant overlap with IEC 60876-1; - clarifications to definitions and diagrams; - generalization of the detection apparatus beyond an oscilloscope. Keywords: switching time, performance parameters of a fibre optic spatial switch, actuation energy

Technical details

Technical committee: SC 86B - Fibre optic interconnecting devices and passive components
SKU: IEC 61300-3-21:2019

Abstract

Overview

IEC 61300-3-21:2019 specifies a standardized method to measure switching time and related performance parameters of a fibre optic spatial switch when actuation energy is applied or removed. This third edition is a technical revision that clarifies definitions and diagrams, removes redundant overlap with IEC 60876-1, and generalizes the permitted detection apparatus beyond just oscilloscopes. The document defines measurement setup, apparatus requirements, and timing definitions used to quantify switch dynamic behavior.

Key topics and technical requirements

Scope of measurement
- Time-resolved measurement of output optical power referenced to the instant actuation energy is applied or removed.
Terms and definitions
- Latency time, rise time, fall time, bounce time, and combined switching time (from isolated→conducting and conducting→isolated) with precise definitions and measurement thresholds (10 % / 90 % levels).
Apparatus and performance
- Optical source (S): stable output and appropriate wavelength/spectral width per the relevant specification (see IEC 61300-3-4).
- Detector (D): fast response - detector response time should be ≤ one-tenth of the rise/fall time to be measured; linearity better than 0.05 dB across expected power; measurement system return loss recommended ≥ 30 dB. Multiple detectors allowed for simultaneous ports.
- Actuation energy supply (AS): electrical/optical drive rise and fall times should be ≤ one-tenth of the switch rise/fall time; duration long enough to capture bounce behavior for non-latch switches.
- Data acquisition system (DAS): must record time-dependent optical power synchronized to actuation; oscilloscope or other DAS (including data-logging optical power meters) is acceptable.
- Termination (T): techniques to suppress reflections (e.g., APC connectors often achieve > 60 dB return loss).
Procedure and reporting
- Measurement setup per standard diagrams, synchronized triggering, and specification of environmental and launch conditions. Details to be specified are listed for reproducibility.

Applications and users

Manufacturers of fibre optic spatial switches validating dynamic performance for product datasheets.
Test laboratories and QC teams performing acceptance, production or conformance testing.
System integrators and designers assessing suitability of switches for fast reconfiguration in optical networks, data centers, or sensing systems.
Procurement and compliance groups requiring standardized test evidence of switching time and related parameters.

Keywords naturally integrated: switching time, performance parameters of a fibre optic spatial switch, actuation energy.

Related standards

IEC 61300-1 - General and guidance for basic test and measurement procedures
IEC 61300-3-4 - Attenuation measurements (optical power stability)
IEC 60876-1 - Definitions for optical switch timing (overlap removed in this edition)

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and technical requirements

Scope of measurement
- Time-resolved measurement of output optical power referenced to the instant actuation energy is applied or removed.
Terms and definitions
- Latency time, rise time, fall time, bounce time, and combined switching time (from isolated→conducting and conducting→isolated) with precise definitions and measurement thresholds (10 % / 90 % levels).
Apparatus and performance
- Optical source (S): stable output and appropriate wavelength/spectral width per the relevant specification (see IEC 61300-3-4).
- Detector (D): fast response - detector response time should be ≤ one-tenth of the rise/fall time to be measured; linearity better than 0.05 dB across expected power; measurement system return loss recommended ≥ 30 dB. Multiple detectors allowed for simultaneous ports.
- Actuation energy supply (AS): electrical/optical drive rise and fall times should be ≤ one-tenth of the switch rise/fall time; duration long enough to capture bounce behavior for non-latch switches.
- Data acquisition system (DAS): must record time-dependent optical power synchronized to actuation; oscilloscope or other DAS (including data-logging optical power meters) is acceptable.
- Termination (T): techniques to suppress reflections (e.g., APC connectors often achieve > 60 dB return loss).
Procedure and reporting
- Measurement setup per standard diagrams, synchronized triggering, and specification of environmental and launch conditions. Details to be specified are listed for reproducibility.

Applications and users

Manufacturers of fibre optic spatial switches validating dynamic performance for product datasheets.
Test laboratories and QC teams performing acceptance, production or conformance testing.
System integrators and designers assessing suitability of switches for fast reconfiguration in optical networks, data centers, or sensing systems.
Procurement and compliance groups requiring standardized test evidence of switching time and related parameters.

Keywords naturally integrated: switching time, performance parameters of a fibre optic spatial switch, actuation energy.

Related standards

IEC 61300-1 - General and guidance for basic test and measurement procedures
IEC 61300-3-4 - Attenuation measurements (optical power stability)
IEC 60876-1 - Definitions for optical switch timing (overlap removed in this edition)

IEC 61300-3-21:2019 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

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