Optical OTN G.709 Overview

Introduction

Optical Transport Network is a transport network used to multiplex multiple wavelength for carrying protocols like SONET/SDH, Ethernet or SAN signaling. The ITU G.709 specifies the frame format and payload mapping.

Overview

  • ITU standardized on OTN for wavelength division multiplexed (WDM) networks which includes:
    • physical layer - consists of the laser operations.
    • signal rate
    • format specification
    • equipment functional requirements

Signal

Format Specification

Additional Resources

T-REC-G.709 - ITU Specification

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