NZQA registered unit standard
27968 version 1
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Title
Demonstrate knowledge of telecommunications access networks
service provisioning and restoration practices
Level
3
Purpose
Credits
15
This unit standard covers basic underpinning knowledge for
people engaged in installation and maintenance of
telecommunications access networks.
People credited with this unit standard are able to demonstrate:
–
basic knowledge of telecommunications access networks
provisioning and restoration practices;
–
basic knowledge of telecommunications cable jointing and
splicing practices;
–
basic knowledge of fault-diagnosis, location, and repair
procedures for telecommunications access networks;
–
basic knowledge of access network records and technical
documentation in access networks;
–
basic knowledge of proactive and reactive maintenance
for telecommunications access networks; and
–
awareness of an emerging or converging technology in
access networks.
Classification
Telecommunications > Telecommunications - Service Delivery
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 27969, Provision, commission, restore and diagnose
telecommunications access networks.
Explanatory notes
1
Evidence against this unit standard may be demonstrated through either knowledge
assessment or practical assessment. The use of diverse forms of evidence in
assessment against this unit standard is encouraged. Evidence must be in
accordance with industry practice and, where appropriate, must reflect environmental
considerations.
2
The term basic knowledge is used to describe the underpinning knowledge required
by candidates to support the range of practical installation and maintenance activities
assessed by Unit 27969, Provision, commission, restore and diagnose
telecommunications access networks.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27968 version 1
Page 2 of 6
3
References
Electricity Act 1992;
Electricity (Safety) Regulations 2010;
Search and Surveillance Act 2012;
Telecommunications Act 2001;
and all subsequent amendments and replacements.
4
Definitions
Cable – any or all of – copper cable, fibre optic cable, coaxial cable.
Converging Technology – any existing technologies that are integrated to provide a
new service including convergence of any previously separately existing technologies
that now share resources and interact with each other.
CPE – Customer Premise Equipment.
Emerging technology – any technology which is at the development stage, or in early
stages of production and commercial use overseas, but is not yet used commercially
in New Zealand.
FOG – Fibre Optic Grid.
Industry practice – those practices which competent practitioners within the industry
recognise as current industry best practice.
IP – Internet Protocol.
OTDR – Optical Time Domain Reflectometer.
POE – power over ethernet.
RJ45 – Registered Jack 45.
5
Range
The use of mathematics is not required except where calculation is specifically
mentioned.
Outcomes and evidence requirements
Outcome 1
Demonstrate basic knowledge of telecommunications access networks provisioning and
restoration practices.
Evidence requirements
1.1
Describe underground enclosure construction and installation practices.
Range
1.2
Describe duct installation practices.
Range
1.3
manholes, pits, cable management.
trenching, thrusting, directional drilling.
Describe the principles and techniques for hauling copper and fibre cables and
ducting for access networks.
Range
The Skills Organisation
SSB Code 100401
loading requirements, tensioning requirements, cable fleeting.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.4
Describe aerial plant construction practices and hardware.
Range
1.5
bend radius, min depth, separation of services.
Describe CPE installation practices.
Range
1.7
power clearance distances, minimum heights, number of leads per
span, clamps per screw eye.
Describe buried and ducted cable installation practices.
Range
1.6
27968 version 1
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equipment may include but is not limited to – cabling, jack points,
RJ45, routers, switches, ONTs, patch panels;
practices may include but are not limited to – location, mounting
hardware, IP, configuration, alarm indicators, POE.
Describe best practice for location and identification of underground cables and
services.
Range
location equipment operation, operation theory.
Outcome 2
Demonstrate basic knowledge of telecommunications cable jointing and splicing practices.
Evidence requirements
2.1
Explain preparation of copper cables for jointing.
2.2
Explain techniques for jointing and insulating copper cables.
Range
random jointing, sequence jointing, modular jointing.
2.3
Explain preparation for splicing fibre optical cables.
2.4
Explain techniques for splicing fibre optic cables.
Range
fusion splicing, mechanical splicing, splice and cable
management.
2.5
Explain factors to be considered when splicing fibre optical cables.
2.6
Explain cable enclosure practices and procedures.
Range
2.7
heat shrink, re-enterable, pressured enclosures.
Explain cable pressurisation principles and techniques.
Outcome 3
Demonstrate basic knowledge of fault diagnosis, location, and repair procedures for
telecommunications access networks.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27968 version 1
Page 4 of 6
Evidence requirements
3.1
Explain basic test and measurement methods and units of measurement, used
to determine the quality of access network cables.
Range
3.2
Interpret given results from cable tests to determine condition of cable.
Range
3.3
evidence of three copper and two fibre optical cable results is
required.
Explain basic techniques used to determine location of fault.
Range
3.4
cables include – copper, fibre, coaxial;
testing – earth, battery, contacts, disconnections, resistance,
capacitance, longitudinal balance, noise, power (dB) loss, bit error
rate, OTDR.
copper, fibre, coaxial.
Explain basic repair procedures for common faults.
Range
copper, fibre, coaxial.
Outcome 4
Demonstrate basic knowledge of access network records and technical documentation in
access networks.
Evidence requirements
4.1
Interpret network records and technical documentation.
Range
4.2
Update network records and technical documentation.
Range
4.3
records/documentation – cable distribution plans, underground
cable plans, FOG plans, cable pair sheets, utility service location
plans.
records/documentation may include but is not limited to – cable
distribution plans, underground cable plans, FOG plans, cable pair
sheets, customer records, photographs, cable network alterations,
electronic record systems.
Identify the main purpose of a work plan and list key items in a work plan.
Outcome 5
Demonstrate basic knowledge of proactive and reactive maintenance for
telecommunications access networks.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27968 version 1
Page 5 of 6
Evidence requirements
5.1
Explain why proactive maintenance is necessary for telecommunications
access networks.
5.2
Outline the differences between proactive maintenance and reactive
maintenance.
5.3
Explain the minimum requirements for service pillar restoration with reference to
cable loop weatherproofing, sheath removal distances, bung installation,
securing of pillar.
5.4
Describe record keeping requirements for proactive and reactive maintenance
for telecommunication access networks.
Outcome 6
Demonstrate awareness of an emerging or converging technology in access networks.
Evidence requirements
6.1
Describe an emerging or converging technology that may impact on existing
access networks with reference to purpose, facilities offered, and how the
technology will impact and/or integrate with existing core technology facilities
and or services.
Range
selected technology should be one that is likely to be applied in
the New Zealand environment.
Planned review date
31 December 2017
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
18 July 2013
Consent and Moderation Requirements (CMR) reference
0003
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27968 version 1
Page 6 of 6
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact The Skills Organisation reviewcomments@skills.org.nz if you wish to
suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016