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Title / Provision, commission, restore and diagnose telecommunications access networks
Level / 3 / Credits / 40
Purpose / This unit standard covers installation and testing of basic telecommunications access networks.
People credited with this unit standard are able to:
– ensure regulatory compliance while working on access networks;
– perform provisioning of three installations of network access services;
– perform proactive maintenance of access network components;
– perform jointing and splicing of telecommunications cables;
– perform basic fault location of three different faults associated with maintenance of access network installations; and
– read, understand, interpret, and update access network records and technical documentation.
Classification / Telecommunications > Telecommunications - Service Delivery
Available grade / Achieved
Prerequisites / Unit 27911, Demonstrate knowledge of workplace safety in an electrotechnology or telecommunications environment, or demonstrate equivalent knowledge and skills.
Guidance Information
1 Evidence against this unit standard must be in accordance with industry practice and, where appropriate, must reflect environmental conditions.
2 References
Electricity Act 1992;
Electricity Safety Regulations 2010;
Search and Surveillance Act 2012;
Telecommunications Act 2001;
and all subsequent amendments and replacements.
3 Definitions
BD – Buried Direct.
Cable – any or all of – copper cable (which includes coaxial cable), fibre optic cable, coaxial cable.
Consent – any permits of work that are required prior to work being undertaken.
CPE – Customer Premises Equipment.
ESD – Electrostatic Discharge.
ETP – External Termination Point.
FAT – Fibre Access Terminal.
FFP – Fibre Flexibility Point.
FOG – Fibre Optic Grid.
HDPE – High Density Polyethylene.
MDF – Main Distribution Frame.
ONT – Optical Network Termination.
OTDR – Optical Time Domain Reflectometer.
POE – Power Over Ethernet.
PVC – Polyvinyl Chloride.
Transit bodies – organisations that have authority relating to control of access, roads, right of ways and control of traffic.
4 Range
The use of mathematics is not required except where calculation is specifically mentioned.
Outcomes and performance criteria
Outcome 1
Ensure regulatory compliance while working on access networks.
Range evidence of three different work sites, with one requiring consent, is required.
Performance criteria
1.1 Perform hazard identification and management practices.
1.2 Maintain a work site in accordance with regulations.
Range may include but is not limited to – outdoor environment, water management, traffic management, health and safety.
1.3 Identify requirements and arrange required consents to be obtained for an access network site.
Range consents may include but are not limited to – access networks installations, outdoor environment, water management, traffic management;
authorities may include but are not limited to – council, utilities, transit bodies.
1.4 Perform work in accordance with conditions of issued consents.
Range access networks installations, outdoor, water management, traffic management.
Outcome 2
Perform provisioning of three installations of network access services.
Range evidence of two fibre and one copper installation.
Performance criteria
2.1 Prepare to provision access network service.
Range may include but is not limited to – selection and procurement of cables, ducting, CPE, support hardware, specialist tools; confirm customer availability; confirm site access; confirm consents arranged.
2.2 Perform customer first contact and walkthrough.
Range may include but is not limited to – introduction, site visit, cable path planning, location of other services, location of CPE, customer expectations.
2.3 Install ducting and support systems.
Range ducting may include but is not limited to – PVC, steel, flexible, subducting, HDPE, blown fibre duct, BD pits, ETP;
installation may include but is not limited to – trenching, thrusting, directional drilling;
practice may include but is not limited to – suitability of material, colour coding, mounting practices.
2.4 Install cables in accordance with site specification and requirements.
Range may include but is not limited to – cable identification and labelling, joint closures, connections to network, aerial cable, blown fibre cable, direct fibre feed cable, copper cable.
2.5 Install and configure CPE in accordance with site specification and requirements.
Range may include but is not limited to – cabling, jack points, routers, switches, ONTs, alarms, patching, configuring address and sub net mask, POE, fusion fibre splicing.
2.6 Perform network connection/configuration for provisioning of customer service.
Range may include but is not limited to – MDF jumpering, cabinet configuration, pillar connection, FFP configuration, FAT splicing.
2.7 Perform post-installation commissioning testing of installation.
Range may include but is not limited to – operational testing, acceptance testing, specification testing.
2.8 Perform post-installation site restoration.
Range restored site meets customer expectations.
Outcome 3
Perform proactive maintenance of access network components.
Performance criteria
3.1 Perform service pillar restoration.
Range may include but is not limited to – cable sheath lengths, cable loop lengths, waterproofing joints, use of cable ties, service lead labelling, use of foam bungs.
3.2 Perform proactive maintenance of cabinets and pedestals.
Range may include but is not limited to – rack and frame integrity, corrosion, bonding and earthing condition, lightning protection, cable management, weather proofing, connection condition, fibre hygiene, cleanliness.
3.3 Perform proactive maintenance of manholes, pits, and associated components.
Range may include but is not limited to – drainage, cleanliness, cable pressures, enclosure pressures, enclosure waterproofing, desiccant condition.
3.4 Perform proactive maintenance of aerial plant.
Range may include but is not limited to – pole condition, cable supports, cable tensions, minimum heights, clearance from other services, clearance from vegetation.
Outcome 4
Perform jointing and splicing of telecommunications cables.
Performance criteria
4.1 Prepare cables for jointing.
4.2 Perform jointing and insulation of copper cables.
Range random jointing, sequence jointing, modular jointing.
4.3 Prepare fibre optical cables for splicing.
4.4 Splice fibre optic cables.
Range fusion splicing, mechanical splicing, splice protection, management of cable fibre in the splice tray, optical hygiene.
4.5 Perform post-jointing cable closures.
Range heat shrink, re-enterable, pressured enclosure.
Outcome 5
Perform basic fault location of three different faults associated with maintenance of access network installations.
Performance criteria
5.1 Perform preparation tasks that should be undertaken before leaving for a site.
Range collection of information about the fault, arranging site access, health and safety requirements, service spares obtained, specialist tools obtained.
5.2 Perform site arrival procedures.
Range may include but is not limited to – customer communication, visual inspection for damage, check CPE alarms, determine appropriate diagnostic procedure, apply health and safety procedures.
5.3 Select and use appropriate test equipment to determine the nature and location of the fault.
Range tests may include but are not limited to – copper, fibre, CPE, earths, battery contacts, disconnections, resistance, capacitance, longitudinal balance, noise, dB loss, high bit error rate, OTDR testing, cable location equipment.
5.4 Apply logical fault finding methodologies.
Range may include but is not limited to – common alarms, half split, step by step, flowcharts, manufacturer diagnostic procedures, resetting of equipment.
5.5 Perform operational tests after repair.
Range may include but is not limited to – physical and software configuration recovery, replacement of modules, ESD protection, evaluation of system status, fault monitoring, hand back of service.
Outcome 6
Read, understand, interpret, and update access network records and technical documentation.
Performance criteria
6.1 Interpret, follow, and apply network records and technical documentation in accordance with industry practice and company procedures.
Range interpreted – cable distribution plans, underground cable plans, FOG plans, cable pair sheets, utility service location plans.
6.2 Update network records and technical documentation in accordance with company requirements.
Range may include but is not limited to – cable distribution plans, underground cable plans, FOG plans, cable pair sheets, customer records, photographs, cable network alterations.
6.3 Complete a basic written work plan and explain it verbally.
Planned review date / 31 December 2020Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for Assessment /Registration / 1 / 18 July 2013 / N/A
Rollover and Revision / 2 / 23 November 2017 / N/A
Consent and Moderation Requirements (CMR) reference / 0101
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Comments on this unit standard
Please contact Infrastructure ITO if you wish to suggest changes to the content of this unit standard.
Connexis Infrastructure ITOSSB Code 101813 / Ó New Zealand Qualifications Authority 2017