List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Element | Performance Criteria |
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Prepare for DWDM planning activities | 1.1 Obtain relevant legislation, codes, regulations and standards for compliance when conducting work 1.2 Scope the work by obtaining project plan from appropriate personnel and arrange for site access to comply with security arrangements 1.3 Notify appropriate personnel of identified safety hazards at the worksite |
2. Plan DWDM installation activities and develop specifications | 2.1 Follow work health and safety (WHS) and environmental requirements for given work and identify and avoid other services 2.2 Identify tools, safety equipment, plant and machinery for installation work activities 2.3 Conduct physical inspections of proposed DWDM sites and verify backbone dark fibre is accessible and available according to cabling plan 2.4 Verify proposed backbone and customer fibre cable routes to splicing cabinet and fibre patch panel, and identify barriers to cable installation 2.5 Verify proposed power cabling route from distribution board and circuit breakers, and identify barriers to cable installation 2.6 Modify cable plan if required and notify appropriate personnel 2.7 Prepare fibre installation specifications and power cable and grounding specifications according to cabling plan and safe work practices and manufacturer’s instructions 2.8 Verify proposed location of associated hardware racks, cabinets and ironwork, and confirm access to enterprise local area network (LAN) |
3. Prepare DWDM shelf configuration and specifications according to customer requirements | 3.1 Prepare a configuration document including configuration plans and specifications for the installation team 3.2 Specify location of DWDM shelves or racks and the shelf interconnection fibre cabling layout according to cabling plan 3.3 Specify individual DWDM units and circuit card types required to suit customer requirements |
4. Plan preliminary optical tests | 4.1 Verify backbone fibres at patch panel and conduct bidirectional optical time domain reflectometer (OTDR) test and record measurement results and OTDR images 4.2 Conduct bidirectional optical loss test set (OLTS) measurement of insertion loss on backbone fibres from patch panel to patch panel at adjacent sites and record measurement results |
5. Complete documentation and obtain sign-off | 5.1 Provide results of optical measurements to design team 5.2 Complete and provide updated specification documentation to installation team 5.3 Submit documentation to appropriate person for approval and sign-off |
Evidence of ability to:
plan and develop all required dense wavelength division multiplexing (DWDM) installation activities according to all work health and safety (WHS) and job specifications
prepare all DWDM shelf configurations and specifications
plan preliminary optical tests
complete project and acceptance documentations and submit for approval.
Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.
To complete the unit requirements safely and effectively, the individual must:
explain configuration of DWDM shelf
summarise principles of DWDM operations
manage risk of electrostatic discharge
summarise features and operating requirements of the following test equipment:
hand-held optical power meter
optical spectrum analyser
optical time domain reflectometer (OTDR)
transmission test set
describe functions of an optical add drop multiplexer
explain the role of the following in planning and configuration of DWDM systems internet protocol (IP) addressing:
subnet mask
dynamic host configuration protocol (DHCP)
default gateway
explain International Telecommunications Union (ITU) wavelength grid for DWDM
identify optical fibre connector types and discuss their characteristics
identify optical fibre types and discuss their characteristics
explain path protection and protection switching
summarise physical optical loopbacks and software loopbacks used to assist with testing DWDM systems
identify protocols used on optical DWDM systems
discuss the use of ring topologies and linear network topologies in DWDM system cable routes
explain specific work health and safety (WHS) requirements that impact safe inspection of optical connectors and safe measurement of optical power from laser transmission systems.
Gather evidence to demonstrate consistent performance in conditions that are safe and replicate the workplace. Noise levels, production flow, interruptions and time variances must be typical of those experienced in the Telecommunications – Optical Networks field of work and include access to:
test equipment currently used in industry
manufacturer’s technical documentation
relevant regulations and specifications.
Assessors of this unit must satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards.