Telefocal Asia - Independent training, consulting and research firm focusing on wireless and fixed telephony, data communications, transmission engineering, switching, cell planning, telecommunications, network management, service applications, fibre certifications, fibre technician and inside outside plant fibre.

Course Date & Venue
20 September - 23 September 2010 (Mon - Thu) 4-day instructor-led , 0900 - 1700 Lagos, Nigeria
Course Objectives
After attending the course, Delegates will be able to: Understand the conceptual and theoretical underpinnings of this field Define the important Optical Fiber terms Identify applications of Optical Networks Describe the detailed workings of Optical Networks Name the key components of Optical Networks and describe how they fit together Design an Optical Network system List the objectives and characteristics of the next generation Optical Networks
Course Overview
The course emphasis will be on fibre network design, fibre installation and testing. It will also focus on the WDMs and chromatic dispersions. Fibe planning, Fiber charaterization, non linear impairments, polarization etc. are key fetures in this course.
Key Benefits
Understanding of the rational and development of Optical Networks. Participant can Fully comprehend the architecture, structures and standards of Optical Network Planning in Long Haul and Metro. They can also appreciate the practical aspects of Optical Network Planning.
Pre-Requisites for Participants
Some exposure to optical networking basics, such as may be gained from work experience or by taking some course, is desirable.
Who Should Attend?
This course provides an excellent foundation in optical networks and the use of fiber optic cabling for business managers, division chiefs and QA/QC personnel as well as technical personnel involved in design, manufacturing and testing of fiber optic networks and planning applications. It is especially useful for engineers involved in telecommunications design as well as those designing and testing fiber optics replacement systems.
Course Outline
Day 1 Signal Propagation in a Fiber Introduction Carrier Wave Propagation Information Signal Modulation Optical Power and Loss Description Optical Signal Power Unit Link Power Budget Example Link Budget with Optical Modulation Amplitude Example Optical Loss Measurement Optical Return Loss (ORL) Reflectance Detrimental Effects Due to Low ORL ORL Measurement Average and Peak Optical Power Optical Signal to Noise Ratio (OSNR) OSNR OSNR Measurement WDM OSNR Resolution Bandwidth (RBW) OSNR Link Calculation Raman Amplifier OSNR Examples Bit Error Ratio (BER) Q-Factor Extinction Ratio and Optical Modulation Amplitude (OMA) Q-Factor Budget Forward Error Correction (FER) Day 2 Chromatic Dispersion (CD) Description Fiber Types Coping with Chromatic Dispersion Conditions for Chromatic Dispersion Planning Chromatic Dispersion Limit Factors that Contribute to Chromatic Dispersion Methods to Reduce Link Chromatic Dispersion Planning Chromatic Dispersion Budget Total Link Chromatic Dispersion Chromatic Dispersion Compensation Modules Chromatic Dispersion Compensation Compensation for DWDM Networks Deploying DCMs Chromatic Dispersion Measurement Methods Time of Flight Method Time of Flight Method - OTDR Modulated Phase Shift Method Differential Phase Shift Method Chromatic Dispersion Planning Summary Polarization Mode Dispersion (PMD) Description Causes of DGD Probability Distribution Spectral Behaviour of DGD Link Design Value (PMDQ) and Maximum PMD Total Link PMD Second Order PMD Polarization Dependant Loss (PDL) Polarization Maintaining Fiber PMD Measurement Methods Interferometric Method Fixed Analyzer Method Jones Matrix Eigenanalysis Method Measurement Accuracy Coping with PMD PMD Planning Summary PMD Examples WDMs and Couplers Description WDM Internal Technologies WDM System Configuration and Transceivers Simple Standalone DWDM System Basic WDM Types DWDM, CWDM, and Cross Band WDMs DWDM DWDM Channel Capacity Expanding Fiber Capacity using Basic DWDMs CWDM CWDM Channel Capacity Expanding Fiber Capacity using Basic CWDMs CWDM Capacity Expansion using DWDMs Cross Band WDM WDM Specification Basic WDMs Insertion Loss (IL) Channel (Passband) Ripple or Flatness Channel Loss Uniformity Channel Wavelength Channel Spacing Channel Passband Adjacent Channel Isolation Non Adjacent Channel Isolation Directivity Return Loss Chromatic Dispersion Polarization Mode Dispersion Polarization Dependant Loss Power Handling Operating and Storage Temperatures Couplers and Splitters Bidirectional Coupler Red and Blue Band Coupler Splitters Active WDM Systems WDM Technology Selection Day 3 Fiber Nonlinear Impairments Fiber Nonlinear Impairments Four-Wave Mixing (FWM) Methods to Reduce the Effects of FWM Estimating Generated FWM Component Power Self-Phase Modulation (SPM) and Cross-Phase Modulation (XPM) Stimulated Raman scattering (SRS) and stimulated Brillouin scattering (SBS) Intrachannel Nonlinear Effects Summary Fiber Characterization Description Span Loss Chromatic Dispersion (CD) Polarization Mode Dispersion (PMD) Optical Return Loss (ORL) Fiber Span Length Non-Linear Impairments Stimulated Brillouin Scattering Four-Wave Mixing and Nonlinear Coefficient Measurement Signal Latency Testing Ethernet and SONET/SDH Networks Bit Error Ratio (BER) Test RFC-2544 Test Day 4 Network Elements Description Optical Transceivers Lasers Laser Parameters Laser Modulation Receivers Receiver Parameters Optical Amplifiers EDFA Amplifier Raman Amplifier Dark Fiber Leasing or Purchasing Dark Fiber Dark Fiber Considerations Fiber Network Planning Guidelines Metropolitan Ethernet Network SONET/SDH Network