NZQA unit standard version 2 Page 1 of 6. Demonstrate knowledge of telecommunications core network systems and services

Transcription

1 Page 1 of 6 Title Demonstrate knowledge of telecommunications core network systems and services Level 3 Credits 15 Purpose This unit standard covers basic underpinning knowledge for people engaged in the provisioning and restoration of telecommunications core networks (fixed and mobile networks). People credited with this unit standard are able to demonstrate: basic knowledge of telecommunications bearer systems; basic knowledge of broadcast systems; basic knowledge of the use of TCP/IP and Ethernet in core networks; basic knowledge of a current network and element management and monitoring systems for telecommunications core networks; basic knowledge of the common power and engineering services support environment for telecommunications core networks; and knowledge of the impact of an emerging or converging technology in 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 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. 3 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 27972, Provision, commission, diagnose and restore telecommunication core network technology and services.

2 Page 2 of 6 4 References Electricity Act 1992; Electricity Safety Regulations 2010; Search and Surveillance Act 2012; Telecommunications Act 2001; and all subsequent amendments and replacements. 5 Definitions ADSL Asynchronous Digital Subscriber Line. 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. Emerging technology any technology which is at the development stage, or in early stages of production and/or commercial use overseas, but is not yet used widely or commercially in New Zealand. ETOM Enhanced Telecommunications Operations Map. FTP File Transfer Protocol. GIS Geographical Information System. Industry practice those practices which competent practitioners within the industry recognise as current industry best practice. IP Internet Protocol. ITU International Telecommunications Union. PCM Pulse Code Modulation systems. POTS Plain Old Telephone Service. TCP Transmission Control Protocol. UDP User Datagram Protocol. VDSL very high bit-rate digital subscriber line. xdsl digital subscriber line. Where x = A asynchronous H high bit rate S synchronous SH synchronous high bit rate V very high bit rate. VoIP Voice over Internet Protocol. 6 The use of mathematics is not required except where calculation is specifically mentioned. Outcomes and performance criteria Outcome 1 Demonstrate basic knowledge of telecommunications bearer systems.

3 Page 3 of Explain the characteristics and limitations of copper cable for use in POTS, xdsl, and PCM systems. characteristics and limitations include line constants, typical impedance, variation of loss with distance and conductor size, maximum effective distance, effect of cable multiples, electrical interference. 1.2 Outline the principles of operation of digital subscriber line systems (xdsl). digital subscriber may include but is not limited to ADSL, VDSL. 1.3 Outline the PCM bearer system principles and practices. line signal protocols, line terminal equipment, power feeding equipment, regeneration, permissible error rates, crosstalk limitations, distance limitations. 1.4 Outline the operation of a digital fibre transport system used in New Zealand with the aid of a labelled block diagram indicating major functions. CWDM, DWDM, SDH, PDH. Outcome 2 Demonstrate basic knowledge of broadcast systems. 2.1 Outline the operation of broadcast systems with the aid of a labelled block diagram indicating major components. analogue and digital radio, analogue and digital TV. Outcome 3 Demonstrate basic knowledge of the use of TCP/IP and Ethernet in core networks. may include but is not limited to addressing, routing, switching, VoIP. 3.1 Identify protocols used in core networks and explain the reasons for their use. may include but is not limited to TCP/IP, Ethernet, TCP, UDP, broadcast.

4 Page 4 of Identify hardware used in TCP/IP and Ethernet networks and explain their function. 3.3 Identify software used to configure hardware and explain the relevant features. may include but is not limited to craft terminal, FTP, web interface. 3.4 Provide basic IP networking and configuration for three given situations. Outcome 4 Demonstrate basic knowledge of a current network and element management and monitoring systems for telecommunications core networks. 4.1 Explain network operations centre and network administration activities with reference to core networks. 4.2 Explain the principles of operation of management networks and element management devices. management devices may include but are not limited to interface management and data collection units, element managers, monitoring systems, test and measurement environment. 4.3 Outline proactive, reactive, and condition based maintenance practices. 4.4 Explain network incident management escalation hierarchy, with particular reference to the tiered structure. ITU or ETOM reference model. 4.5 Explain network records and inventory systems and practices. may include but is not limited to GIS database for physical network inventory, logical network database for service inventory, fibre optic grid plans. Outcome 5 Demonstrate basic knowledge of common power and engineering services support environment for telecommunications core networks. 5.1 Outline typical power supply systems with reference to battery backup and emergency generators.

5 Page 5 of Outline the operation of security access and fire protection systems with reference to purpose and function. fire protection gas suppression, sprinklers, smoke alarms. 5.3 Outline the purpose and operation of air-conditioning systems in relation to equipment rooms. 5.4 Outline the purpose and operation of seismic infrastructure in relation to equipment rooms. 5.5 Outline the purpose and operation of underground pits and ducts, telecommunications towers and masts, and passive and active roadside cabinets in relation to equipment housing. 5.6 Outline the cable distribution practices in a telecommunications distribution room. power distribution, earthing arrangements, cable management practices for fibre and copper. Outcome 6 Demonstrate knowledge of the impact of an emerging or converging technology in core networks. 6.1 Describe an emerging or converging technology that may impact on existing core networks with reference to purpose, facilities offered, and how the technology will impact and/or integrate with existing core technology facilities and or services. selected technology should be one that is likely to be applied in the New Zealand environment. Planned review date 31 December 2020 Status 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

6 Page 6 of 6 Comments on this unit standard Please contact Infrastructure ITO qualifications@connexis.org.nz if you wish to suggest changes to the content of this unit standard.