AS/NZS IEC 60825.12:2023
Safety of laser products, Part 12: Safety of free space optical communication systems used for transmission of information
Standard identically adopts IEC 60825 12:2022, which provides safety requirements and guidance for the design, manufacture and use of laser products or laser systems, which emit laser radiation for the purpose of free space optical data transmission; protect people from hazardous optical radiation emitted by FSOCSs; and to provide guidance for installation, operation, maintenance and service to assure the safe deployment and use of such laser systems.
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AS/NZS IEC 60825.12:2023 Safety of laser products Safety of free space optical communication systems used for transmission of information
English
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Assessment of access level
4.1 General
4.2 Determination of access level and the use of Condition 2
4.3 Access level 1 and 1M
4.4 Access level 2 and 2M
4.5 Access level 3R
4.6 Access level 3B
4.7 Access level 4
4.8 Time base
5 Classification and evaluation of access level
5.1 General
5.2 Impact of using automatic power reduction features
5.3 Automatic power reduction mechanisms (APR)
5.3.1 General
5.3.2 APR performance requirements
5.4 Installation protection systems (IPS)
6 Access level and classification requirements by location type
6.1 General
6.2 Requirements for unrestricted locations
6.2.1 General
6.2.2 Use of access level 1M and access level 2M FSOCS equipment in unrestricted locations
6.2.3 Use of access level 3R FSOCS equipment in unrestricted locations
6.2.4 General
6.2.5 Use of access level 3R FSOCS equipment in restricted locations
6.3 Requirements for controlled locations
6.3.1 General
6.3.2 Use of access level 3B and access level 4 FSOCS equipment in controlled locations
6.4 Requirements for inaccessible space
6.5 Specular reflections
7 Organizational requirements
7.1 Requirements for manufacturers of ready-to-use FSOCS transmitter or turn key systems
7.1.1 General
7.1.2 Additional manufacturer's requirements
7.2 Installation and service organization requirements
7.3 Operating organization requirements
8 Marking
8.1 General
8.2 Marking of aperture for transmitter
8.3 Durability – Indelibility requirements for safety markings
8.4 Warning for invisible radiation
Annex€A (informative)Rationale
Annex€B (informative)Clarification of the meaning of "access level"
B.1 General
B.2 Class
B.3 Access level
Annex€C (informative)Examples of applications and calculations
C.1 Symbols used in the example of this annex
C.2 Examples of NHZ and ENHZ
C.2.1 General
C.2.4 Example – Access level 3B FSOCS product
C.3 Viewing a specular (mirror-like) reflection
C.4 Example of divergent, diffuse IR transmitter
C.5 FSOCS link between two restricted locations
C.6 Unmanned (uncrewed) Aerial (aircraft) system (UAS)
Annex€D (informative)Methods of hazard/safety analysis
Annex€E (informative)Guidance for installing, servicing and operating organizations
E.1 Working practices for FSOCSs
E.1.1 General
E.1.2 General working practices
E.1.3 Additional working practices for Class/access level 1M, 2M, 3R, 3B and 4€systems
E.2 Education and training
Bibliography
Figures
Figure€1 – Commercial structures
Figure€2 – Residential areas
Figure€3 – Examples of external location types
Figure€4 – Access level 1M or 2M transmitter near edge of unrestricted rooftop
Figure€5 – Access level 1M transmitter in unrestricted location
Figure€6 – Access level 3R transmitter in restricted location
Figure€C.1 – Link between two widely separated locations
Figure€C.2 – Unmanned (uncrewed) Aerial (aircraft) System with FSOCS
Figure€C.3 – Grounded FSOCS installed to the ground
Figure€C.4 – Grounded FSOCS installed to the controlled location
Tables
Table€1 – Measurement aperture diameters and distancesfor the default (simplified) evaluation
Table€2 – Restrictions for the use of FSOCS based on access levels
Table€3 – Requirements for warning signs
Table 4 – Marking requirements
Table€C.1 − Symbols used in the example of Annex€C
Table€C.2 – Allowed access levels and installation requirements
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AS/NZS IEC 60825.12:2023 Safety of laser products Safety of free space optical communication systems used for transmission of information
English
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Assessment of access level
4.1 General
4.2 Determination of access level and the use of Condition 2
4.3 Access level 1 and 1M
4.4 Access level 2 and 2M
4.5 Access level 3R
4.6 Access level 3B
4.7 Access level 4
4.8 Time base
5 Classification and evaluation of access level
5.1 General
5.2 Impact of using automatic power reduction features
5.3 Automatic power reduction mechanisms (APR)
5.3.1 General
5.3.2 APR performance requirements
5.4 Installation protection systems (IPS)
6 Access level and classification requirements by location type
6.1 General
6.2 Requirements for unrestricted locations
6.2.1 General
6.2.2 Use of access level 1M and access level 2M FSOCS equipment in unrestricted locations
6.2.3 Use of access level 3R FSOCS equipment in unrestricted locations
6.2.4 General
6.2.5 Use of access level 3R FSOCS equipment in restricted locations
6.3 Requirements for controlled locations
6.3.1 General
6.3.2 Use of access level 3B and access level 4 FSOCS equipment in controlled locations
6.4 Requirements for inaccessible space
6.5 Specular reflections
7 Organizational requirements
7.1 Requirements for manufacturers of ready-to-use FSOCS transmitter or turn key systems
7.1.1 General
7.1.2 Additional manufacturer's requirements
7.2 Installation and service organization requirements
7.3 Operating organization requirements
8 Marking
8.1 General
8.2 Marking of aperture for transmitter
8.3 Durability – Indelibility requirements for safety markings
8.4 Warning for invisible radiation
Annex€A (informative)Rationale
Annex€B (informative)Clarification of the meaning of "access level"
B.1 General
B.2 Class
B.3 Access level
Annex€C (informative)Examples of applications and calculations
C.1 Symbols used in the example of this annex
C.2 Examples of NHZ and ENHZ
C.2.1 General
C.2.4 Example – Access level 3B FSOCS product
C.3 Viewing a specular (mirror-like) reflection
C.4 Example of divergent, diffuse IR transmitter
C.5 FSOCS link between two restricted locations
C.6 Unmanned (uncrewed) Aerial (aircraft) system (UAS)
Annex€D (informative)Methods of hazard/safety analysis
Annex€E (informative)Guidance for installing, servicing and operating organizations
E.1 Working practices for FSOCSs
E.1.1 General
E.1.2 General working practices
E.1.3 Additional working practices for Class/access level 1M, 2M, 3R, 3B and 4€systems
E.2 Education and training
Bibliography
Figures
Figure€1 – Commercial structures
Figure€2 – Residential areas
Figure€3 – Examples of external location types
Figure€4 – Access level 1M or 2M transmitter near edge of unrestricted rooftop
Figure€5 – Access level 1M transmitter in unrestricted location
Figure€6 – Access level 3R transmitter in restricted location
Figure€C.1 – Link between two widely separated locations
Figure€C.2 – Unmanned (uncrewed) Aerial (aircraft) System with FSOCS
Figure€C.3 – Grounded FSOCS installed to the ground
Figure€C.4 – Grounded FSOCS installed to the controlled location
Tables
Table€1 – Measurement aperture diameters and distancesfor the default (simplified) evaluation
Table€2 – Restrictions for the use of FSOCS based on access levels
Table€3 – Requirements for warning signs
Table 4 – Marking requirements
Table€C.1 − Symbols used in the example of Annex€C
Table€C.2 – Allowed access levels and installation requirements
AS/NZS IEC 60825.12:2023
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.