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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

  1. Prepare to produce a DWDM system design
  2. Calculate link budget for each wavelength path
  3. Prepare detailed configuration documents for the DWDM system
  4. Investigate upgrade options using emerging technologies

Knowledge Evidence

To complete the unit requirements safely and effectively, the individual must:

explain the configuration of DWDM shelf

outline operation principles of DWDM

clarify electrostatic discharge

identify features and operating requirements of test equipment including:

an optical time domain reflectometer (OTDR)

a hand-held optical power meter

a transmission test set

an optical spectrum analyser

describe functions of an optical add-drop multiplexer (OADM)

summarise functions of reconfigurable optical add-drop multiplexer (ROADM)

explain internet protocol (IP) addressing, subnet mask, dynamic host configuration protocol (DHCP) and default gateway

summarise International Telecommunications Union (ITU) wavelength grid for DWDM

explain laser stability

identify dispersion compensation devices

describe the importance of a link budget and calculate a link margins

identify optical fibre connector types and characteristics

identify optical fibre types and characteristics

discuss path protection and protection switching

explain physical optical loopbacks and software loopbacks

summarise traditional protocols and emerging Optical Transport Network (OTN) technologies used on optical DWDM systems

describe ring topologies and linear network topologies

explain specific work health and safety (WHS) requirements that impact the safe inspection of optical connectors and the safe measurement of optical power from laser transmission systems.