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Title / Demonstrate knowledge of complex or non-standard telecommunications core network management and support services
Level / 4 / Credits / 10
Purpose / This unit standard covers knowledge for people engaged in installation and maintenance of complex or non-standard applications in the provisioning and restoration of telecommunications core networks (fixed and mobile networks).
People credited with this unit standard are able to demonstrate knowledge of:
– factors that can degrade performance and stability of core networks, and ways to reduce the impact of these factors; and
– current network and element management and performance monitoring systems for core networks.
Classification / Telecommunications > Telecommunications - Service Delivery
Available grade / Achieved
Guidance Information
1 Unit 27972, Provision, commission, diagnose and restore telecommunication core network technology and services is recommended for entry.
2 References
Electricity Act 1992;
Electricity (Safety) Regulations 2010;
Search and Surveillance Act 2012;
Telecommunications Act 2001;
AS/NZS 3080 (2013): Information technology - Generic cabling for customer premises;
AS/NZS 3084 (2017): Telecommunications installations - Telecommunications pathways and spaces for commercial buildings;
Telecommunications Carriers’ Forum Code for Residential, SOHO and Multi-dwelling Premises Wiring (“Premises Wiring Code of Practice”);
National Code of Practice for Utility Operators’ Access to Transport Corridors;
and all subsequent amendments and replacements.
3 Definitions
AGC – Automatic Gain Control.
Core network service – in this unit standard means – complex and/or non-standard telecommunications core networks.
CoS – Class of Service.
ETOM – Enhanced Telecommunications Operations Map.
GIS – Geographical Information System.
IT – Information Technology.
ITU – International Telecommunications Union.
NOC – National Operation Centre.
QoS – Quality of Service.
SOHO – Small Office Home Office.
Outcomes and performance criteria
Outcome 1
Demonstrate knowledge of factors that can degrade performance and stability of core networks, and ways to reduce the impact of these factors.
Performance criteria
1.1 Explain the factors that can degrade performance of core network systems and techniques to mitigate these.
1.2 Explain the factors that can degrade performance of core network hardware and techniques to mitigate these.
1.3 Explain the factors that can degrade performance of broadcast systems, and techniques to mitigate these.
Range factors – include but are not limited to – signal path, receive sensitivity, signal quality;
methods – include but are not limited to – AGC, error correction, antenna configuration.
1.4 Explain and compare modulation and multiplexing methods in terms of reliability and stability.
1.5 Explain core network diversity and redundancy.
1.6 Explain the roles and responsibilities of other personnel regarding core network performance, stability, documentation/records, and software systems.
Range may include but not limited to – NOC, IT, Engineers, Planners, Designers, Regulators, Standard setting bodies, Inspectors.
Outcome 2
Demonstrate knowledge of current network and element management and performance monitoring systems for core networks.
Performance criteria
2.1 Explain network operations centre and network administration activities with reference to complex core networks.
2.2 Explain the principles of operation of management networks and element management devices.
Range management devices include but are not limited to – interface management and data collection units, element managers, monitoring systems, test and measurement environment.
2.3 Explain proactive, reactive, and condition based maintenance practices.
2.4 Describe key performance indicators for complex networks.
Range includes but not limited to – element availability, interface statistics, NetFlow statistics, CoS/QoS statistics, bandwidth utilisation by application.
2.5 Explain network incident management escalation hierarchy, with particular reference to the tiered structure.
Range ITU or ETOM reference model.
2.6 Explain network records and inventory systems and practices.
Range may include but is not limited to – GIS database for physical network inventory, logical network database for service inventory, fibre optic grid plans.
Planned review date / 31 December 2020Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for Assessment /Registration / 1 / 16 July 2015 / N/A
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