Advanced OTDR Measurement

2 Day Course
Code PWL056

Book Now - 3 Delivery Methods Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online


This 2-day course is designed for managers and engineers who are required to accept, interpret or understand OTDR traces, test engineers who routinely use OTDRs for system characterisation or acceptance testing, managers or engineers involved in the purchase or specification of OTDRs and maintenance staff who use the OTDR for fault finding.

This course is 3-days if delegates wish to gain OCN accreditation as the exam is taken on the third day.


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Introduction (2 topics)

  • Fibre fundamentals & terminology
  • Safety & BS7718

OTDR Basics (3 topics)

  • Schematic
  • Principles of operation
  • Standard features

Measurements (4 topics)

  • Distance
  • Fibre loss
  • Event loss & return loss
  • TORL

OTDR Set-Up & Use (4 topics)

  • Wavelengths
  • Range
  • Pulse width
  • Group index & backscatter coeff

Testing Configurations (2 topics)

  • Cable drum acceptance tests
  • Installed system tests

Measurement Problems (5 topics)

  • Launch problems
  • Ghosts
  • "gainers"
  • Saturation
  • Linearity problems

Efficient Testing (3 topics)

  • Auto-mode
  • Macros
  • Re-compute features

PC Emulation Software (5 topics)

  • Format
  • Analysis
  • Bi-directional testing
  • Comparison
  • Documentation

RFTS & Security Monitoring Systems (2 topics)

  • Dark fibre
  • Out-of-band testing for RFTS or security purposes

Complex Network Issues (3 topics)

  • Effects of splitters
  • WDMs
  • Optical amplifiers

Specifications (3 topics)

  • Dynamic range
  • Dead zones
  • Bellcore & standard requirements

Calibration Intervals & Techniques (4 topics)

  • Stability
  • Parameters calibrated
  • Linearity
  • Artefacts & methods

Market Overview (3 topics)

  • Manufacturers
  • Suppliers
  • OTDRs available

Course Review


A basic understanding of optical fibres is required for this advanced course.

Additional Learning

The courses below may help you meet the knowledge level required to take this course.

Scheduled Dates

Please select from the dates below to make an enquiry or booking.


Different pricing structures are available including special offers. These include early bird, late availability, multi-place, corporate volume and self-funding rates. Please arrange a discussion with a training advisor to discover your most cost effective option.

Code Location Duration Price Sep Oct Nov Dec Jan Feb

and Virtual Classroom
2 Days $2,250
and Virtual Classroom
2 Days $2,250

and Virtual Classroom
2 Days $2,250
Reston VA
and Virtual Classroom
2 Days $2,250

and Virtual Classroom
2 Days $2,250

and Virtual Classroom
2 Days $2,250

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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