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The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
Relevant legislation, codes, regulations and standards include: | Australian Communications Industry Forum (ACIF) standards and codes Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) Radiation Protection Standard - Maximum Exposure Levels to Radio Frequency Fields - 3 kHz to 300 GHz AS Communications Cabling Manual (CCM) Volume 1 Australian building codes and regulations Environmental Protection Acts fire regulations OHS relevant international standards technical standards AS/ACIF S008:2006 and AS/ACIF S009:2006. |
Project brief may include: | access to existing services details of budgeted costs details of the grade of service required location of intermediate add-drop points location of transmission terminals network topology presence of existing services protection methods traffic bit rate traffic protocols. |
Appropriate person may include: | network engineer project engineer project manager. |
Transmission network may include: | Core Network geostationary long haul network mesh network metropolitan area network optical fibre: passive optical network (PON) submarine cable terrestrial cable point-to-point link satellite ring network hybrid fibre coaxial (HFC) network terrestrial microwave: licensed unlicensed WiMAX. |
Limitations may include: | optical: chromatic dispersion four-wave mixing polarisation mode dispersion (PMD) satellite: loss of orbital position rain attenuation terrestrial interference wireless and terrestrial microwave: atmospheric absorption fading terrestrial interference. |
Network information sources may include: | network management databases for: capacity assessment data network performance data traffic dimensioning data network management tools. |
Dimension may include: | allowance for future growth capacity of the channels number of channels required. |
Transmission network architecturecomponents may include: | earth command and control station earth station horn antenna low noise amplifier (LNA) low noise block (LNB) multiplexing equipment: network management system STM-1 multiplexer STM-16 multiplexer STM-192 multiplexer STM-4 multiplexer STM-64 multiplexer synchronous digital hierarchy (SDH) optical fibre network: optical add-drop multiplexer (OADM) sites reconfigurable optical add-drop multiplexer (ROADM) terminal sites and optical add-drop multiplexer sites: battery backup dispersion compensation devices (DCD) dense wavelength division multiplexing (DWDM) system equipment racks erbium doped fibre amplifier (EDFA) optical amplifier patch panel power supplies Raman amplifier rectifier regenerator parabolic reflector patch antenna satellite antenna: fixed rotatable satellite network satellite receiver satellite transmitter satellite transponder terrestrial microwave network: circulators and isolators coaxial cable indoor unit microwave transmitter and receiver outdoor unit parabolic reflector antennas radio tower, mast, rooftop waveguide. |
Equipment type may include: | asymmetrical circuit switched coarse wavelength division multiplexing (CWDM) DWDM digital duplex IP based packet switched simplex symmetrical time division multiplexing (TDM) wavelength division multiplexing (WDM). |
Technologies may include: | compression types: H.264 MPEG-2 MPEG-4 protocols and transport methods: asynchronous serial interface (ASI) DVB-ASI HD-SDI SD SDI optical transport network (OTN): IP/MPLS over OTN/DWDM optical Ethernet: fast Ethernet gigabit Ethernet 10 Gbps synchronous digital hierarchy (SDH) synchronous optical network (SONET). |
Resources may include: | equipment hardware installation platforms ladders manpower materials safety equipment software tools. |
Enterprise procedures may include: | asset registration compliance preferred suppliers preferred vendors procurement agreements purchase requisition service level agreements . |
Link budget may include: | actual received power level allowance for splices due to fibre cuts contingencies fade margin margin path loss required receive level transmitted signal power level transmitter hardware losses. |
Network management may include: | administration alarms event history maintenance operation provisioning. |
Performance monitoring may include: | alerting users that network degradation is underway gauging the quality of payload signals power level lower limit power level upper limit threshold crossing levels. |