Assessment Requirements for ICTOPN404 Test optical communications systems and components

Release: 1

Assessment Requirements for ICTOPN404 Test optical communications systems and components

Modification History

Release	Comments
Release 1	This version released with ICT Information and Communications Technology Training Package Version 5.0.

Performance Evidence

The candidate must demonstrate the ability to perform the tasks outlined in the elements, performance criteria, and foundation skills on two occasions and to:

obtain operation documentation for advanced optical test instruments

plan and prepare a schedule of tests to be performed

conduct at least one optical test

record the following measurements for a range of parameters:

optical power level

insertion loss of optical network

end-to-end fibre loss (bi-directional)

test, calculate and document optical link budget according to industry standards using the following test equipment:

optical time domain reflectometer (OTDR)

optical spectrum analyser (OSA) or equivalent optical spectrum analyser

optical return loss (ORL)

comply with all related work health and safety (WHS) requirements and work practices

evaluate optical performance using:

wavelength spectrum parameters

ODTR events.

Knowledge Evidence

The candidate must demonstrate the knowledge required to perform the tasks outlined in the elements, performance criteria, and foundation skills, which includes knowledge about:

optical system and its main components

hazards and risks associated with optical systems

health and safety and environmental requirements associated with optical systems

common tests, measurements and testing plans used for optical systems

common wavelengths involved with optical systems

use of tools and test equipment for optical systems

consequences of mating contaminated optical connectors

calculations using decibels, dBm

downstream and upstream signals

dense wavelength division multiplexing (DWDM) metro and long-haul system architecture

measurement of:

DWDM signals

gain and gain flatness of optical amplifier

laser spectral stability, drift and unexpected variation in spectral transmission characteristics

non-linear effects, four-wave mixing

optical connector types

optical signal to noise ratio (OSNR)

optical spectrum limits, wavelengths used in various applications and International Telecommunication Union (ITU) grid

optical transmitters and receivers

optical return loss (ORL)

OTDR dead zones, dynamic range and launch cable reflectance

safe handling procedures with optical fibres

transmission system line rates including:

optical ethernet

optical transport network (OTN)

synchronous digital hierarchy (SDH)

wavelength division multiplexing (WDM), coarse wavelength division multiplexing (CWDM) and DWDM principles and optical multiplexers

influence of legislation, regulations, codes and standards relevant to advanced optical work.

Assessment Conditions

Skills must be assessed in a workplace or simulated environment where conditions are typical of those in a telecommunications work environment or workplace.

Access is required to:

tools and equipment required for measurements

manufacturer documentation for test instruments and equipment under test.

Assessors of this unit must satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards.

Links

Companion Volume Implementation Guides are available from VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=a53af4e4-b400-484e-b778-71c9e9d6aff2