Table of Contents:

Definition and Overview

1. Photonic Networks

2. A Typical Photonic Network

3. Structure of a Typical DWDM Link

4. The Need for Testing in Optical Networks

5. Optical Test and Measurement Products

6. Building Blocks of Photonic Networks

7. SDH and SONET Interfaces

Self-Test

Glossary

PDF of this tutorial

ADM
add/drop multiplexer

ANSI
American National Standards Institute

DWDM
dense wavelength division multiplexing

ETSI
European Telecommunications Standards Institute

I
intraoffice

IP
Internet protocol

IR
intermediate reach

ITU–T
International Telecommunications Union

L
long haul

LR
long reach

O-E-O
optical-electrical-optical

OC
optical carrier

PDH
plesiochronous digital hierarchy

QoS
quality of service

S
short haul

SDH
synchronous digital hierarchy

SONET
synchronous optical networks

SR
short reach

STM
synchronous transport mode

STS
synchronous transport signal

TDM
time division multiplexing

U
ultra long haul

V
very long haul

VR
very long reach

WDM
wavelength division multiplexing