TB003 - Labelling of Optical Fibre Panels and Enclosures

Text in Italics is reproduced from AS/CA S009. #

Applicability

The following applies only to telecommunication cabling installations in Australia and New Zealand seeking conformance of optical fibre labelling to the Wiring Rules - AS/CA S009.

Summary

It is mandatory to meet the labelling requirements for optical panels and enclosures in Australia as part of the cabling Wiring Rules AS/CA S009.  It is also a requirement in New Zealand when AS/CA S009 is specified in project documentation.  Labelling is a requirement placed on the registered cabler under AS/CA S009 because the positioning of the labels must be done at time of cabling installation.

There are two types of labels that shall be applied to optical fibre panels and enclosures:-

·          A Warning Label – a triangular label containing the ‘star-burst’ laser symbol

·          An Explanatory Label – a rectangular label stating the hazard and the caution

The location of the labels shall be:-

·          A Warning Label on each fibre patch panel, even if it is inside an enclosure, and

·          An Explanation Label on the front of a closed enclosure door and another Explanation Label clearly visible when front viewing after the door is opened.

 Conformance requirements

The Cabling Provider Rules require compliance with AS/CA S009, which sets out the requirements for labelling of optical fibre panels and enclosures.

The conformance requirements for labelling of optical fibre panels and enclosures of AS/CA S009 are based on the conformance requirements of AS/NZS IEC 60825.1 and AS/NZS IEC 60825.

All optical fibre panels and enclosures shall be labelled with warning markings to warn of the potential that hazardous laser levels may be present.

The warning marking shall consist of:-

(a) a Warning Label meeting the requirements of Figure 1 of AS/NZS IEC 60825.1; and

(b) an Explanatory Label meeting the requirements of Figure 2 of AS/NZS IEC 60825.1.

 Labelling of optical fibre panels and enclosures 1

 

 11.1.6.1   Warning of potential hazardous laser levels

All optical fibre panels and enclosures shall be labelled to warn of the potential that hazardous laser levels may be present.

11.1.6.2 Access to emitted radiation

Each optical connector, splice box or other part emitting radiation when opened shall be marked, e.g. with a label, sleeve, tag or tape.

Note: The labelling for connectors may be located in close proximity where mounting the label on the connector itself is not practical.

11.1.6.3 Types of warning markings

The warning marking shall consist of—

(a) a Warning Label meeting the requirements of Fig 1 of AS/NZS IEC 60825.1; and

(b) an Explanatory Label meeting the requirements of Fig 2 of AS/NZS IEC 60825.1.

11.1.6.4 Marking style

Markings shall be coloured black on a yellow background.  It is acceptable to reduce the marking in size, providing that the result is legible.

11.1.6.5 Explanatory label wording

The text for the Explanatory Label should be as follows:

CAUTION – HAZARD

POTENTIAL VISIBLE AND INVISIBLE LASER RADIATION

DO NOT STARE INTO THE BEAM OR VIEW DIRECTLY

WITH NON-ATTENUATING OPTICAL INSTRUMENT

 

The above wording for the Explanation Label is not mandatory and other words that contain the same meaning may be used.

11.1.6.6 Marking durability

The durability of the marking shall meet Clause 5.3.3.2 of AS/CA S008.

 11.1.6.7  Fibre outlets in work areas

Fibre outlets in work areas in unrestricted and restricted locations do not require Explanatory Label markings unless the application is likely to exceed Class 1M.

 11.1.6.8 Marking of groups of connectors, outlets and access points

Groups of connectors, outlets or access points such as patch panels may be marked as a group.  A single clearly visible triangular Warning Label marking may be used rather than having one Warning Label for each connector/outlet.  A minimum of one Explanatory Label shall be installed on the rack or frame for each location.

 11.1.6.9 Multiple markings

Where a group of connectors/outlets are enclosed within a housing and it is a foreseeable event that exposure to optical radiation could result from accessing the connectors/outlets in that housing, then an Explanatory Label shall be clearly visible both before and after the housing is opened.  This may require the use of more than one marking, such as one on the outside of a cabinet door and one inside on the rack/frame.

 11.1.6.10 Hazard levels above 2M

Any optical fibre panel or enclosure supporting a hazard level above 2M shall be labelled in accordance with AS/NZS IEC 60825.1.

Note 1: Additional labelling may be provided to indicate the hazard level of services running over the installed cabling.

Note 2: The non-use of hazard levels within the Explanatory Label is a result of the cabler not being able to determine what services are likely to run over the fibre cabling during the life of the installation. For example, some test equipment output exceeds hazard level 1M.

Warning Markings

Warning Label  Figure 1 of AS/NZS IEC 60825.1

Detailed dimensions for this label are contained in AS/NZS IEC 60825.1


CAUTION – HAZARD

POTENTIAL VISIBLE AND INVISIBLE LASER RADIATION

DO NOT STARE INTO THE BEAM OR VIEW DIRECTLY

WITH NON-ATTENUATING OPTICAL INSTRUMENT


Explanation Label  Figure 2 of AS/NZS IEC 60825.1

#  Acknowledgement

 The clear and concise wording of the Labelling clauses in italics in this Technical Bulletin come with permission from the Communications Alliance Ltd that developed and maintains the Installation requirements for customer cabling (Wiring Rules) - AS/CA S009, which is accepted by the Australian Communications and Media Authority as setting out mandatory minimum compliance requirements for all registered cablers.  Communications Alliance Publications are copyright and must not be used except as permitted. See http://www.commsalliance.com.au/copyright .


References 

1  AS/CA S009  Clause 11.1.6.1 to 11.1.6.10 #

 

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