Course Duration


Course Objectives

Telecom requirements of home/corporate users have acquired new heights & dimensions as they are not limited to legacy telephone, fax, and limited internet services provided previously by technologies like ISDN, PSTN etc. Now last mile users have extended their requirement boundaries and expect a dedicated fiber or equivalent BW capable media at local premises (whether rural or urban) to accommodate their multi-service traffic requirements like Triple Play. Today’s service requirements are generally High Speed Internet, multiple VoIP lines, IP TV via servers, Satellite channels, & Video on Demand. PON has been found an excellent technology to fulfill above service requirements along with spare capacity for future applications like interactive gaming etc.

Passive Optical Network (PON) is taken due to its simplicity, lower cost, easy to operate and maintain, scalability, reliability, and adaptability. These benefits make it more acceptable among operators and corporate sector who don’t like to get involve in complexities & economics of competitive access technologies. PONs are getting increased share in last mile market day by day. This course addresses almost all fundamentals of GPON with different ways of implementation along with their technical explanation. It also teaches planning and designing of FTTx as per service & environment requirements.

This course not only provides comprehensive theoretical background but also practices for estimation of network BW requirements as well as power budget calculations for different ODN designs.

After successful completion of this 4-day workshop participants will be able to

  • Acquire knowledge of Passive Optical Network with types
  • Learn GPON associated technical terms
  • Practice calculation and estimation of BW requirements
  • Understand different designs of implementing GPON & accessing Multi-service traffic
  • Power Budget estimation

Target Audience

    This course is specially designed Telecom Engineers / Technicians / Marketing and Sales professionals / Fiber layout staff / Managers / Project team members / Planners.

Course Curriculum

Access Network
  • Access Network Topologies
  • Multi Service Access Networks
  • Types of sites (Greenfield, Brownfield, Overbuild)
  • Different Fiber Termination Points (FTTx)
  • Influencing Factors on Infrastructure Deployment
  • Fiber to the Curb (FTTC), FTTH, FTTN, FTTD, FTTP
  • PON principles & benefits
  • How Passive Optical Network is economical?
  • PON Elements & Terminology
    • Optical Line Terminal (OLT)
    • Optical Network Terminal (ONT)
    • Optical Distribution Network (ODN)
    • Feeder Cabling
    • Primary Fiber Concatenation Point (FCP)
    • Secondary FCP
    • Distribution Cabling
    • Drop Cabling
    • Internal Cabling
    • Optical Distributions Frames (ODF)
    • Optical Splitter
  • Residential Gateway
  • Types of Optical Network Units (ONU)
  • FTTH Network Cabling
  • PON types (BPON / EPON / GPON)
  • xPON BW Comparison
Fiber Fundamentals

Protection (Redundancy)
  • Automatic Switching & Forced Switching
  • Protection configuration types (A, B, C, & D)

Course Curriculum

GPON Facts and Definitions
  • GPON facts
  • ITU-T G.984.1/2/3/4/5/6
  • Fiber Distribution Hub (FDH) and Fiber Access Terminal (FAT)
  • Physical Reach, Logical Reach, & Differential Reach
  • Ranging & its types
  • Grant, ONU Identifier, Allocation Identifier, Transmission Container & its types
Optical Splitter & Associated Losses

Relationship between transmission distance & number of splits

Reference Configuration for GPON

ONU’s Auto Discovery Feature

Power Budget
  • Optical Power Loss Classes of GPON (G.984.2)
  • Example Power Budget Calculations
  • Use of Optical Amplifiers to Extend Reach
  • Reach Extension
  • Power Budget for common ODN designs
Fiber Characterization

Deployment Methods
  • Below Grade
  • Aerial

Course Curriculum

QoS Implementation in GPON
  • Quality of Service (QoS) implementation in GPON
  • Dynamic BW Allocation & Types
GPON Frame Format
  • GPON Transmission Convergence Layer
    • Downstream / Upstream GTC frame format
    • Mapping of GPON Encapsulation Mode (GEM) frames into GTC Payload
  • GEM
    • Ethernet over GEM
    • GEM fragmentation
    • TDM over GEM
    • GEM Port
    • GEM Ports IDs
    • Maximum Mean Signal Transfer Delay
  • Downstream / Upstream Traffic Management in GPON
  • VLAN use in GPON
Reliability using Error Correction
  • Upstream & Downstream FEC
  • Code Synchronization for Upstream & Downstream FEC
Handling Privacy in GPON
  • AES Encryption
Comparing GPON & GEPON
  • Comparison Table
  • BW Efficiency
BW Calculations
  • Downstream and Upstream BW Calculations
  • Excel sheet for estimation of Multi Services traffic bandwidth
ONT Management & Control Interface

Course Curriculum

Next Generation PONs
  • NG-PON1
  • Enhancement Band (ITU-T G.984.5)
  • NG-PON1 attributes
  • GPON & XG-PON1 coexistence
DWDM Introduction in Perspective of PON
  • Hybrid WDM PON
Use of Test Instruments to measure losses

Miscellaneous Topics

Summary Discussion

Feedback & MCQ test

Public Schedule

Training Date
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