NZQA Expiring unit standard
17492 version 6
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Title
Demonstrate basic knowledge of telecommunications building and
data cabling
Level
3
Credits
Purpose
15
This unit standard is for telecommunications workers engaged
in the installation of basic building and data cabling services,
and covers basic underpinning knowledge for this occupation.
People credited with this unit standard are able to demonstrate:
–
basic knowledge of telecommunications concepts relevant
to building and data cabling services;
–
basic knowledge of telecommunications entrance and
terminating facilities;
–
basic knowledge of grounding, bonding and electrical
protection of telecommunications building and data
cabling systems;
–
basic knowledge of telecommunications building cable
backbone systems;
–
basic knowledge of telecommunications horizontal cabling
systems;
–
basic knowledge of aerial plant in the context of interbuilding and intra-building and data cabling;
–
basic knowledge of LANs and data cables;
–
basic knowledge of fibre optic cables;
–
basic knowledge of the principles of fire-stopping;
–
basic knowledge of plans and specifications used in
telecommunications building and data cabling, and
–
an awareness of emerging technologies in
telecommunications building and data cabling.
Classification
This unit standard is
Telecommunications > Telecommunications - Service Delivery
expiring
Available grade
Achieved
Explanatory notes
1
This unit standard has been designed for training and assessment off-job.
2
The term basic knowledge is used to describe the underpinning knowledge required
by trainees to support the range of practical installation and maintenance activities
assessed by Unit 17486, Install and maintain basic telecommunications building and
data cabling. This knowledge is typically acquired during second and third years of
training of a 4 to 5 year training programme.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
17492 version 6
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3
References
AS/NZS 3080:2003: Telecommunications installations – Generic cabling for
commercial premises;
Building Act 2004;
Electricity Act 1992;
Electricity Regulations 1997;
NZS 2772.1:1999, Radiofrequency fields – Maximum exposure levels – 3kHz to
300GHz;
Telecommunications Act 2001;
Telecommunications [(Residual Provisions)] Act 1987;
and their subsequent amendments and replacements.
4
Definitions
ATM – Asynchronous Transmission Protocol.
Cable – any or all of copper cable, fibre optic cable, coaxial cable.
Coaxial Cable includes:
10Base-2 – 10Mbps baseband coaxial cable (Thinnet);
10Base-5 – 10Mbps baseband coaxial cable (Thicknet).
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.
Ethernet (xBase-T) – x Mbps baseband data transmission over twisted pair copper
wire.
Industry practice – those practices, which competent practitioners within the industry
recognise as current industry best practice.
ISDN – Integrated Services Digital Network.
LAN – Local Area Network.
PABX – Private Automatic Branch Exchange.
PSTN – Public Switched Telephone Network.
Specifications – any or all of: detailed job specifications, drawings, and instructions;
manufacturers’ specifications and instructions; and industry standards and codes of
practice, relating to the type of cabling system being installed.
STP – Shielded Twisted Pair cable.
UTP – Unshielded Twisted Pair cable, connectors, and accessories, complying with
Category 5, Category 5E, or Category 6 standards.
WAN – Wide Area Network.
This unit standard is
expiring
5
The depth of knowledge of the subject matter is such as could typically be learnt
during a five week full-time course.
Outcomes and evidence requirements
Outcome 1
Demonstrate basic knowledge of telecommunications concepts relevant to building and
data cabling services.
Evidence requirements
1.1
The PSTN is described in terms of its operation and the services provided.
Range
The Skills Organisation
SSB Code 100401
switching plan and topology, PABXs, bandwidth limitations.
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1.2
Data network services are described in terms of their operation, the services
provided, and the key features of each.
Range
1.3
17492 version 6
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leased data services, packet switched network, ISDN, frame relay,
ATM.
Computer networks are described in terms of their operation and the services
provided.
Range
LAN, WAN, internet.
1.4
The basic concepts of analogue transmission, digital transmission,
asynchronous transmission, and synchronous transmission are explained in
accordance with industry practice.
1.5
Cable types are described with reference to physical construction, electrical
characteristics, and application.
Range
1.6
cable types – UTP, STP, coaxial, fibre;
electrical characteristics – loop resistance, insulation resistance,
loss at audio and high frequencies, noise, bit error rate.
A typical building and data cabling system for a modern building with more than
one floor is outlined with reference to components, their purposes, and
interconnections.
Range
outline includes building entrance, equipment room, earthing
facilities, backbone system, closets, horizontal system, outlet
boxes.
This unit standard is
Outcome 2
expiring
Demonstrate basic knowledge of telecommunications entrance and terminating facilities.
1.7
Regulations, codes of practice, and standards of relevance to building and data
cabling are identified and their scopes stated.
Evidence requirements
2.1
Service entrances are described with reference to function and installation
practice.
Range
2.2
buried, above ground, aerial, termination of conduit, network
interfaces, grounding and bonding.
Terminating facilities and equipment rooms are described with reference to
purpose and installation practice.
Range
The Skills Organisation
SSB Code 100401
structure and location of equipment rooms, building frames,
cabinets, telecommunications closets, outside building terminals
(pedestals and cabinets), suitability for cable types.
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
17492 version 6
Page 4 of 8
Outcome 3
Demonstrate basic knowledge of grounding, bonding and electrical protection of
telecommunications building and data cabling systems.
Evidence requirements
3.1
The terms bonding, grounding, and electrical protection are defined in
accordance with industry practice.
3.2
The reasons for bonding, grounding, and provision of telecommunications
circuit protectors are explained in terms of safety to personnel, equipment
damage, and signal noise.
3.3
Telecommunications bonding and grounding practices are described in
accordance with industry practice.
Range
cables, equipment, frames, backbone and horizontal systems,
coaxial cable.
Outcome 4
Demonstrate basic knowledge of telecommunications building cable backbone systems.
Evidence requirements
4.1
The method of construction of a backbone system is explained in accordance
with industry practice.
4.2
The types of transmission media and permissible cable lengths are stated in
accordance with industry practice.
4.3
Methods of mounting cable pathways and cables are explained in accordance
with industry practice.
4.4
This unit standard is
expiring
Termination of a backbone cable at the building frame and in a
telecommunications closet is practically demonstrated in accordance with
manufacturers’ specifications and industry practice.
4.5
Principles of testing of backbone cables are explained and practical testing is
demonstrated in accordance with industry practice.
Range
practical testing includes – installation testing, identifying faulty
pairs.
Outcome 5
Demonstrate basic knowledge of telecommunications horizontal cabling systems.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
17492 version 6
Page 5 of 8
Evidence requirements
5.1
Types of distribution systems, their advantages and disadvantages, and
performance categories are described in accordance with industry practice.
5.2
Commonly used types of cables are identified by inspection, and matched with
associated terminating hardware, cross-connect wires, and patch cords in
accordance with industry practice.
5.3
Installation practices for horizontal cable systems are described in accordance
with industry practice.
Range
ceiling distribution systems, under-floor duct systems, undercarpet cable, cable trays, conduit, pull and splice boxes for
conduit, under-floor ducts, access floors, space requirements,
cabling guidelines.
5.4
Termination of cables in a telecommunications closet and outlet boxes is
practically demonstrated in accordance with manufacturers’ specifications and
industry practice.
5.5
Principles of testing of basic building cabling are explained and practical testing
is demonstrated in accordance with industry practice.
Range
practical testing includes – installation testing, identifying faulty
pairs.
Outcome 6
Demonstrate basic knowledge of aerial plant in the context of inter-building and intrabuilding and data cabling.
This unit standard is
The special characteristics of cable, wire, and terminals suitable for aerial
cabling are described in expiring
accordance with industry practice.
Evidence requirements
6.1
6.2
Aerial cable installation practices are described in accordance with industry
practice.
6.3
The principles of cable pressurisation are explained in accordance with industry
practice.
Outcome 7
Demonstrate basic knowledge of LANs and data cables.
Evidence requirements
7.1
LAN topologies are identified and explained with reference to structure,
operation, and advantages and disadvantages.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
Range
7.2
cable types – UTP, STP, coaxial, fibre.
Principles of testing of data cables are explained and practical testing is
demonstrated in accordance with industry practice.
Range
7.5
ATM, Ethernet, Token Ring.
Data cables are terminated in accordance with standards and manufacturers’
instructions.
Range
7.4
LAN topologies – bus, ring, star, local ring physical star, star-tree.
LAN protocols are identified and briefly described.
Range
7.3
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practical testing includes – installation testing, identifying faulty
cable.
Numbering systems for building and data cables are explained in accordance
with industry practice.
Outcome 8
Demonstrate basic knowledge of fibre optic cables.
Evidence requirements
8.1
Basic concepts of fibre optic cables are explained in accordance with industry
practice.
Range
applicable standards, types of cable, method of construction,
principle of light transmission, application.
This unit standard is
Range
installation specifications, duct utilisation and cable protection
during installation,
termination methods, connectorisation, patch
expiring
panels.
8.2
Basic installation practices are explained in accordance with industry practice.
8.3
Splicing methods are explained and demonstrated in accordance with industry
practice.
Range
8.4
splicing principles and methods, splice protection, pigtail splicing,
fan-out kits.
Principles of testing of fibre cable relevant to data cabling are explained and
practical testing is demonstrated in accordance with industry practice.
Range
practical testing includes – installation testing, identifying faults.
Outcome 9
Demonstrate basic knowledge of the principles of fire-stopping.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
17492 version 6
Page 7 of 8
Evidence requirements
9.1
The purpose of fire stopping is explained, and relevant standards identified.
9.2
Types of fire-stopping systems, fire-rated barriers, and methods of evaluation
and testing them are described in accordance with industry practice.
9.3
Methods of fire-stopping in various situations are described in accordance with
industry practice.
Range
brick, concrete, and concrete block walls; gypsum board walls; lath
and plaster walls; combination walls; floor assemblies; floor and
ceiling assemblies; structural steel floor units with concrete floor fill
and no suspended ceiling; roof and ceiling assemblies; vertical
shafts; curtain wall floor to ceiling seals.
Outcome 10
Demonstrate basic knowledge of plans and specifications used in telecommunications
building and data cabling.
Evidence requirements
10.1
A typical set of plans for a small commercial installation is interpreted in
accordance with industry practice.
Range
10.2
interpreted – correct identification from the plans of type, location,
and interconnections of frames, cabinets and other enclosures,
cables, cable trays, terminating boxes;
commercial installation – utilising cabling for telephone and data
systems, more than one floor.
This unit standard is
expiring
Range
interpreted – all practical installation requirements are identified;
A typical specification for a small commercial installation is interpreted in
accordance with industry practice.
commercial installation – utilising cabling for telephone and data
systems, more than one floor.
Outcome 11
Demonstrate an awareness of emerging technologies in telecommunications building and
data cabling.
Evidence requirements
11.1
Emerging technologies are briefly described with reference to purpose, facilities
offered, and how the technology will integrate with existing building and data
cabling.
Range
The Skills Organisation
SSB Code 100401
any two emerging technologies which are currently of interest to
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
17492 version 6
Page 8 of 8
the industry.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
30 May 2000
31 December 2016
Revision
2
3 April 2001
31 December 2016
Rollover and
Revision
3
20 April 2006
Review
4
18 July 2013
31 December 2016
Rollover
5
17 April 2014
31 December 2016
Rollover
6
16 April 2015
31 December 2018
31 December 2016
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.
This unit standard is
Requirements for consent to assessexpiring
and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
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.
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.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016