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IEC 60825-2:2021

Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCSs)

General information
Valid from 16.03.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
16.03.2021
Main
26.06.2018
Corrigendum
14.12.2010
Main
22.09.2010
Amendment
09.04.2008
Corrigendum
30.01.2007
Main
09.11.2006
Amendment
28.06.2004
Main
IEC 60825-2:2021 provides requirements and specific guidance for the safe operation and maintenance of optical fibre communication systems (OFCSs). In these systems, optical power is possibly accessible outside the confines of the transmitting equipment and/or at great distance from the optical source. This document requires the assessment of hazard level at each accessible location of the OFCS as a replacement for product classification according to IEC 60825-1. It applies to the installed OFCS as an engineered, end-to-end assembly for the generation, transfer and receipt of optical radiation arising from lasers, light-emitting diodes (LEDs) or optical amplifiers, in which the transference is by means of optical fibre for communication and/or control purposes. Individual components and subassemblies that fall under the definition of a laser product are subject to the applicable subclause(s) of IEC 60825-1. This document is applicable to individual components and subassemblies intended to be installed within OFCSs. This document does not apply to optical fibre systems primarily designed to transmit optical power for applications such as material processing or medical treatment. In addition to the hazards resulting from laser radiation, OFCSs possibly give rise to other hazards, such as fire. This document does not address safety issues associated with explosion or fire with respect to OFCSs deployed in explosive atmospheres. This fourth edition cancels and replaces the third edition published in 2004, Amendment 1:2006 and Amendment 2:2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition. a) Recommendations for individual components and subassemblies have been clarified; see Clause 1, paragraph 3. b) C7 has been revised in accordance with IEC 60825-1:2014, but with an additional limitation related to the skin MPE; see 4.7.2. c) Condition 2 has been changed, and a detailed description of the measurement and determination method for hazard level has been added; see 4.7.1 and 4.7.2. d) Annex B has been moved into 4.9. Annex F has been moved forward as Annex B. e) Clause D.4 Hazard level evaluation examples – Additional examples have been added. f) Clause D.5 Fault analysis – Explanation and guidance has been simplified.
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