Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

ICTBWN3100B Mapping and Delivery Guide
Work safely with live fibre to test and commission a fibre to the x installation

Version 1.0
Issue Date: April 2024


Qualification -
Unit of Competency ICTBWN3100B - Work safely with live fibre to test and commission a fibre to the x installation
Description This unit describes the performance outcomes, skills and knowledge required to work safely on a live optical fibre installation to test and commission a wave division multiplexing (WDM) system or connect a splitter for fibre to the x (FTTx) deployment.Optical networks and FTTx are part of the strategies by service providers using WDM to deliver very high speed broadband capacity through the access network for the National Broadband Network (NBN) initiative.
Employability Skills This unit contains employability skills.
Learning Outcomes and Application Technicians and cable installers who install and maintain optical network cables and equipment in Access Networks apply the skills and knowledge in this unit to provide services in Next Generation Networks (NGN) using emerging technologies.NGN services include internet protocol TV (IPTV), video on demand (VoD), interactive TV, mesh networks and cloud computing.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites ICTWHS2170B Follow work health and safety and environmental policy and procedures
Competency Field
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities 		Slides
PPT 		Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Set up and prepare for working with live fibre
  • Obtain relevant legislation, codes, regulations and standards for compliance when conducting work
  • Scope the work by obtaining project plan from appropriate personnel and arrange for site access to comply with security arrangements
  • Notify appropriate personnel of identified safety hazards at the worksite
  • Determine type of FTTx equipment, components of optical distribution network (ODN) and WDM components from project plan for testing and commissioning
  • Obtain tools and safety equipment and materials to perform tasks safely and efficiently
  • Select and use required protective equipment and make site safe and secure for commissioning work
  • Create a safe working environment by following safe work practices and identifying optical fibre hazards that could cause possible injuries when handling optical fibres and laser-based equipment
       
Element: Connect a splitter input fibre to the feeder cable
  • Follow occupational health and safety (OHS) and environmental requirements for the given work and identify and avoid other services
  • Locate the feeder fibre port to be connected
  • Determine the state (live or not) of the fibre port to be connected and notify transmitter to ensure that power is turned off at the source if the fibre port is live
  • Connect up connectorised splitter input fibres as instructed by the manufacturer
  • Arrange for power to be turned back on to the newly connected feeder port
       
Element: Perform live WDM commission testing of a ODN installation used in FTTx network
  • Locate the appropriate test points in the ODN from manufacturer’s instructions for WDM testing
  • Test live wavelengths for the WDM tests following safety precautions
  • Test the optical signal strengths for the operating wavelengths incoming into the optical network termination (ONT) and determine if signal strengths are within the range of acceptable power levels
  • Test the losses between the WDM outputs and the individual LM for each wavelength and determine if within maximum and minimum power losses
  • Conduct all acceptance tests as specified by manufacturer
  • Record and tabulate all tests results for commissioning requirements
       
Element: Clean up work site
  • Seal and secure any enclosures and cabinets
  • Remove waste and debris from worksite and dispose of according to environmental requirements
  • Notify appropriate personnel of job completion and obtain sign off
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

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:

ICTBWN3082B Perform tests on optical communication system and components

ICTBWN3088B Install optical fibre splitters in fibre distribution hubs

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

Aboriginal people and other people from a non-English 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.

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

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.

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.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Obtain relevant legislation, codes, regulations and standards for compliance when conducting work 
Scope the work by obtaining project plan from appropriate personnel and arrange for site access to comply with security arrangements 
Notify appropriate personnel of identified safety hazards at the worksite 
Determine type of FTTx equipment, components of optical distribution network (ODN) and WDM components from project plan for testing and commissioning 
Obtain tools and safety equipment and materials to perform tasks safely and efficiently 
Select and use required protective equipment and make site safe and secure for commissioning work 
Create a safe working environment by following safe work practices and identifying optical fibre hazards that could cause possible injuries when handling optical fibres and laser-based equipment 
Follow occupational health and safety (OHS) and environmental requirements for the given work and identify and avoid other services 
Locate the feeder fibre port to be connected 
Determine the state (live or not) of the fibre port to be connected and notify transmitter to ensure that power is turned off at the source if the fibre port is live 
Connect up connectorised splitter input fibres as instructed by the manufacturer 
Arrange for power to be turned back on to the newly connected feeder port 
Locate the appropriate test points in the ODN from manufacturer’s instructions for WDM testing 
Test live wavelengths for the WDM tests following safety precautions 
Test the optical signal strengths for the operating wavelengths incoming into the optical network termination (ONT) and determine if signal strengths are within the range of acceptable power levels 
Test the losses between the WDM outputs and the individual LM for each wavelength and determine if within maximum and minimum power losses 
Conduct all acceptance tests as specified by manufacturer 
Record and tabulate all tests results for commissioning requirements 
Seal and secure any enclosures and cabinets 
Remove waste and debris from worksite and dispose of according to environmental requirements 
Notify appropriate personnel of job completion and obtain sign off 

Forms

Assessment Cover Sheet

ICTBWN3100B - Work safely with live fibre to test and commission a fibre to the x installation
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

ICTBWN3100B - Work safely with live fibre to test and commission a fibre to the x installation

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: