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Elements and Performance Criteria

Required Skills

Required skills

communication skills to work effectively within a group

literacy skills to interpret work instructions

numeracy skills to gather and record data from measurements

safety awareness skills to

apply precautions and required action to minimise control or eliminate hazards that may exist during work activities

select and use required personal protective equipment conforming to industry and OHS standards

work systematically with required attention to detail without injury to self or others or damage to goods or equipment

technical skills to

clean optical end face

connecting optical fibre to feeder port

operate WDM test equipment and optical power meter

recognise optical devices in a communication system

Required knowledge

organisational policy and procedures

personal safety issues

propagation of light in optical communication systems

role of transmitters and receivers in optical communication systems

site engineering

specific OHS requirements relating to the handling of optical fibre and the use of laser light sources

WDM applications

workplace and industry environment

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Evidence of the ability to

use optical power test equipment

evaluate tests results

connect input and output optical fibres to the splitter

conduct live tests measuring optical signals at three WDM wavelengths on optical devices

conduct acceptance tests for commissioning

demonstrate successful completion of the procedures

complete connection recording

comply with all related OHS requirements and work practices

Context of and specific resources for assessment

Assessment must ensure

a telecommunications operations site where an FTTP installation may be tested and commissioned

access to a WDM system and relevant optical splitter

use of tools equipment and personal protective equipment currently used in industry

relevant regulatory and equipment documentation that impacts on work activities

Methods of assessment

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate for this unit

direct observation of the candidate using optical power test equipment applying all related OHS requirements and work practices

direct observation of the candidate conducting live tests measuring optical signals at three WDM wavelengths

direct observation of the candidate conducting acceptance tests for commissioning

oral or written questioning to assess required knowledge

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplace and job role is recommended for example

ICTBWNB Perform tests on optical communication system and components

ICTBWN3082B Perform tests on optical communication system and components

ICTBWNB Install optical fibre splitters in fibre distribution hubs

ICTBWN3088B Install optical fibre splitters in fibre distribution hubs

ICTBWNB Install leadin module and cable for fibre to the premises

ICTBWN3090B Install lead-in module and cable for fibre to the premises.

Aboriginal people and other people from a nonEnglish speaking background may have second language issues

Access must be provided to appropriate learning and assessment support when required

Assessment processes and techniques must be culturally appropriate and appropriate to the oral communication skill level and language and literacy capacity of the candidate and the work being performed

In all cases where practical assessment is used it will be combined with targeted questioning to assess required knowledge Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency

Where applicable physical resources should include equipment modified for people with special needs

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Relevant legislation, codes, regulations and standards may include:	Australian Communications Industry Forum (ACIF) standards and codes AS Communications Cabling Manual (CCM) Volume 1 AS/NZS 3000:2007 AS/NZS 3080:2003 AS/NZS 3084:2003 AS/NZS 3085.1:2004 AS/NZS IEC 61935.1:2006 AS/NZS IEC 61935.2:2006 AS/NZS ISO/IEC 14763.3:2007 AS/NZS ISO/IEC 15018:2005 AS/NZS ISO/IEC 24702:2007 cabling security codes and regulations Environmental Protection Acts ISO Draft 11801 (International) OHS regulated or industry codes of practice including appropriate Australian Communications and Media Authority (ACMA) standards relevant Institute of Electrical and Electronics Engineers (IEEE) standards technical standards AS/ACIF S008:2006 and AS/ACIF S009:2006.
Appropriate personnel may be:	consultant project engineer project supervisor site supervisor.
Safety hazards may refer to:	access points that may contain: hazardous light (non-visible laser) radio frequency (RF) emission active lasers with no safety labels active optical fibres contact with remote power feed electrical supply that require mandatory separation from communications cable exposed fibres unsafe support structures unsafe weather: heavy rains high winds severe heat or cold thunderstorms.
FTTx equipment may include:	add-drop multiplexer Bragg grating device lead-in fibre cable optical amplifier optical filter optical splitter.
Components of the optical distribution network (ODN) may include:	distribution fibre distribution joint acting as and feeding LMs (DLM) fibre access point (FAP) fibre distribution hub (FDH) FDH tail cable lead-in joint with multiple lead-in ports (LM) main fibre cable multi-dwelling unit (MDU) network termination device (NTD) optical network termination (ONT) passive optical network (PON) power supply unit (PSU) single dwelling unit (SDU).
WDM components may include:	dispersion compensation module optical add/drop multiplexer optical amplifier optical de-multiplexer optical multiplexer transponder variable optical attenuator.
Tools and safety equipment may include:	personal protective equipment safety equipment test equipment: PON meter optical time domain reflectometer (OTDR) tools: fibre cleaning kit fibre splicer labeller screw drivers spanners tagging tool.
Safe work practices may relate to:	applying relevant Australian standards of required health and safety precautions when working with visible and infra-red lasers avoiding contact with chemicals, breathing in fumes and vapours, and digesting such materials clearing fibre particles, hazardous solvents or chemicals from site at the completion of the work ensuring all solvent residues are disposed of according to environmental policy when using a wet cleaning process gently releasing stored energy in coiled fibre cable installing dust caps on unplugged fibre connectors knowing action and treatment of potential accidents knowing the colour codes used to identify the various types of fibre and what sort of signals these cables would normally carry labelling active equipment to warn other people of possible hazards leaving caps at the end of unconnected fibres and unused laser outputs never unplugging patch leads without first turning off the active equipment not damaging or obscuring manufacturer warnings or instruction labels of the laser product during installation not looking directly into the end of a fibre as it may be carrying laser light not looking into transmitter ports as they may be of active not using magnifiers in the presence of laser radiation restraining cable ends to prevent damage to eyes or body using only built-in or another form of safe light source when examining connectors with a microscope for contamination, chips or fractures using protective eyewear designed specifically for laser work using sharps container to dispose of fibre off-cuts.
Optical fibre hazards may relate to:	cleaning alcohol, epoxy resins and other solvents and chemicals may be carcinogenic, cause allergies or be dangerous to health in other ways cleaning fluids, solvents and other chemicals may be highly inflammable fibre off-cut damage to eyes and skin inhalation of fibre off-cuts and particles from vacuum cleaning of worksite laser damage to eyes causing personal injury by activating equipment without notifying other staff who may be working remotely on the network.
Possible injuries may include:	damage to lungs from inhalation of fibre off-cuts or particles damage to retina in eyes damage to skin from fibre off-cuts personal injury from cable end whipping when releasing coiled cable.
OHS and environmental requirements may include:	identifying other services, including power and gas personal protective equipment: earmuffs gloves: leather plastic rubber head protection masks protective suits safety boots safety glasses safe working practices, such as the safe use and handling of: chemicals materials tools and equipment safety equipment: flashing lights safety barriers warning signs and tapes witches hats special access requirements environmental considerations: clean-up protection stormwater protection waste management.
Other services may include:	alarms electrical services fire sprinkler systems gas and water mains high voltage power other service provider networks.
Operating wavelengths may include:	1310 nm 1490 nm 1550 nm.
Range of acceptable power levels may include:	-2 to + 2 dBm @ 1310 nm -26 to -6 dBm @ 1490 nm -11.5 to +5 dBm @ 1550 nm.
Maximum and minimum power losses may include:	23.3 dB to 15.0 dB @1310 nm 21.6 dB to 8.0 dB @1490 nm 20.9 dB to 9.5 dB @1550 nm.
Acceptance tests may include:	delay dispersion optical attenuation and loss measurements optical power levels phase.