GPON FTTx Training

Module 1: Introduction to FTTx Access Networks

• What is a FTTX Access Network?
• The FTTH network environment
  • FTTx networks architecture (FTTC, FTTH, FTTN, FTTD, FTTP)
• FTTH Topology and Technology
• Network Layers
• Open Access networks

Module 2: Passive Optical Networks

• PON Principles & Benefi ts
• How Passive Optical Network is Economical?
• PON types (BPON / EPON / GPON)
• xPON comparison
• GPON vs. GEPON

Module 3: GPON Basics

• G-PON, the basics
• GPON Network Elements
  • Optical Line Termination
  • Optical Network Unit (SFU, SBU, MDU, MTU)
  • Optical Splitter
  • Optical Distributions Frame (ODF)
• Power Budget Calculation
• GPON Standards

Module 4: GPON Infrastructure in-buildings

• GPON In-Building wiring
• GPON Elements In-Building
• Examples based on real installations

Module 5: GPON Essentials

• Transmission Basics
• GPON Multiplexing Architecture: GEM Port, TCONT, Allocid, ONU-id, Port-Id
• Downstream and Upstream TDM Architectures
• GPON Stack
• Control and User Planes in GPON
• GPON Services:
  • PTV, VoIP and Internet
  • RF Services
• GPON System Management Mode: SNMP, TR-069 and OMCI scopes

Module 6Deeping into the protocol: GTC Layer

• Definition and Purpose
• Some Concepts: Alloc-id, T-CONT, GEM Port-ID
• GTC Layer Main Functions
• GTC Frame Format
• Downstream GTC frame
• Upstream GTC burst
• Upstream GTC frame: ONU bursts combination
• OAM at GTC layer
• Embedded OAM and PLOAM
• Embedded OAM
  • QoS and Bandwidth allocation:
  • Dynamic Bandwidth Allocation (OLT as manager)
  • Bandwidth status reporting (ONT as slave)
• Reliability: FEC Encoding
• Physical Layer OAM (PLOAM)
  • ONU state machine
  • ONU status change: Activate Deactivate, Disable ONU, POPUP…
  • PON Physical Parameters
  • OMCC Channel Establishment
• Security:
• AES Encryption: Key exchange and encryption management
• Password
• Signaling (BER notification, alarms)

Module 6: Deeping into the protocol: GPON Encapsulation Method

• GEM Ports
• Up & Down GEM frame format
• Ethernet Service: Ethernet over GEM encapsulation

Module 7: Deeping into the protocol: ONU Management and Control Interface (OMCI)

• OMCI Basics
• OMCI Purpose
• The MIB and its Entities
• Understanding E/R diagrams
• OMCI Transport
• OMCI Procedures
• Triple play services provisioning

Module 8: Towards interoperability

• Layer 2 OMCI Common Model
• Good practices for reaching interoperability
• Broadband Forum’s
• TR-156: Using GPON Access in the context of TR-101
• TR-167: GPON-fed TR-101 Ethernet Access Node
• TR-142: Framework for TR-069 enabled PON Devices
• TR-247: Abstract Test Plan for GPON ONU Conformance
• TR-255: GPON Interoperability Test Plan

Module 9: GPON: The Evolution

• GPON Enhancement band
• XGPON Fundamentals (G.987 series)
• Main differences between GPON, XGPON and XGSPON
• NG2-PON. TDWMPON

HANDS ON GPON TECHNOLOGY – PRACTICAL AND WORKING KNOWLEDGE

Practice 1: Physical Layer

• The importance of fi bre inspection and cleaning
• Impact of Optical Power in a GPON network

Practice 2: Analysing

• Capturing and analysing GPON Fundamentals
• GTC layer flow analysis
• Understanding an Entity/Relationship Diagram
• Bandwidth Allocation and consumption

Practice 3: OLT emulation

• User traffi c VLAN tagging
• Live provision, capture and test of triple-play services