ICTOPN405
Install and test a dense wavelength division multiplexing system


Application

This unit describes the skills and knowledge required to install dense wavelength division multiplexing (DWDM) equipment in optical networks.

It applies to technicians who interpret installation manuals and use technical skills to prepare for and conduct system tests and commissioning.

No licensing, legislative or certification requirements apply to this unit at the time of publication.


Elements and Performance Criteria

Element

Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Prepare to install DWDM units

1.1 Determine number of racks and DWDM units at each site according to installation documents

1.2 Determine DWDM unit and equipment positions within individual racks

1.3 Assemble equipment racks according to safe industry practice and manufacturer instructions

1.4 Select tools and equipment for DWDM unit installation

1.5 Prepare patch panels with connectors according to installation plan

2. Install DWDM units and associated cabling

2.1 Install DWDM unit in designated rack position to maintain planned link budget margin

2.2 Install patch panels and ancillary equipment and connections into equipment rack in preparation for commissioning procedures

2.3 Insert circuit cards into specified slot locations in readiness for commissioning procedures without seating cards into backplane or locking into position

2.4 Connect optical fibre cables between circuit cards, optical multiplexers, adjoining DWDM units and patch panels, according to manufacturer specifications

2.5 Seat cards into backplane and lock into position

3. Test power connections and complete installation report

3.1 Measure main and redundant power supplies to verify correct polarity of ground and power connections

3.2 Rectify any identified power wiring fault as required

3.3 Confirm cooling fans, panel lights, indicator lights and alarms behave according to manufacturer prescribed specifications when power is applied

3.4 Complete installation report and reinstate site

Foundation Skills

This section describes those language, literacy, numeracy and employment skills that are essential to performance, but not explicit in the performance criteria.

Skill

Description

Reading

Interprets textual information from relevant sources to identify and adhere to procedures and standards

Writing

Uses clear, specific and industry related terminology to complete and update workplace documentation

Numeracy

Uses mathematical formulae to calculate measurements and determine equipment requirements

Navigate the world of work

Recognises and follows explicit and implicit protocols and meets expectations associated with own role

Takes personal responsibility for adherence to legal and regulatory responsibilities relevant to own work context with specific reference to workplace safety

Get the work done

Implements actions according to installation documents, making slight adjustments if necessary and addressing some unexpected issues

Takes responsibility for routine decision-making by selecting from a range of predetermined options in routine situations, identifying and taking some situational factors into account

Initiates standard procedures when responding to familiar problems within immediate context

Reflects on the ways digital systems and tools are used, or could be used to achieve work goals and begins to recognise strategic and operational applications


Sectors

Telecommunications – Optical Networks