xDSL- Loop qualification

Below some material found on the web ( webinars, application notes, white papers, articles etc.) on DSL troubleshooting , mostly from companies that manufacture xDSL Testing equipment.

ALLIED TELESYS

Optimized ADSL Performance

ARGUS

Copper Qualification for Telecom Lines: Contemporary and future-proof health check for twin copper wires

EXFO

MEASURING NEXT AND FEXT
MEASURING NOISE FOR DSL

Qualify Your Copper for VDSL2

Bridged Tap Detection for Anyone

SINGLE-ENDED DATA-RATE PREDICTION
Local-Loop and DSL Testing Reference Guide

WIDEBAND TESTING
REDUCING PACKET LOSS AND IMPULSE NOISE
SEE THE BIG PICTURE WITH SINGLE-ENDED LOOP TESTING

LOCATING FAULTS WITH A TDR
MaxTester DSL Training Getting Started
MaxTester DSL
AXS-200/635 Copper Tester
MaxTester 635 Overview

Managing Noise and Maximizing xDSL and IPTV Quality of Experience

FLUKE

Wideband Testing, Spectral Analysis and Special Services/ADSL/xDSL Qualification
Wideband Spectral Analysis in CopperPro Loop Qualification Tester - The Basics
CopperPro DSLAM Verify Test Application Note
CopperPro Loop Qualification Tester 3T and 2T Opens Testing
CopperPro Identifying Noise App Note
ADSL Qualification Procedure Using CopperPro
Advanced TDR Techniques using CopperPro Loop Qualification Tester

Finding Resistive Faults with CopperPro Loop Qualification Tester

The trouble with swinging high resistance opens (HROs)

HARRIS

The “ABCs” of ADSL Service Installation
Testing In The Unbundled Loop : The Challenge for ILECs & CLECs
Test Strategies For DSL Deployment

JDSU

Turn DSL into Gold

Home Wiring Applications
Broadband Stimulus Funding – What Technical Issues May Arise?
Copper and xDSL Fundamentals for Broadband Success
Detecting Bridged Tap and Noise Interference in VDSL2 Access Networks
Copper Testing for ADSL/2/2+
Copper Testing Made Easy

xDSL technology update and challenges Test and measurement solutions for DSL voice, data and IPTV services

SUNRISE TELECOM

Empower Your Technicians!

Behind Closed Doors
Basic Performance and Unprecedented Customer Quality of Experience
SunSet xDSL: Prequalification of ADSL Circuits with ATU-C Emulation
SunSet xDSL: Traditional Digital Multimeter Tests for Prequalifying & Troubleshooting DSL Circuits

SunSet xDSL: Prequalifying the Copper Plant for DSL - Physical Layer Testing
SunSet xDSL: Installing ADSL Circuits with ATU-R Emulation
SunSet xDSL: Insertion Loss Testing for ADSL DMT
SunSet xDSL: Wideband Power Spectral Density Measurements for DSL
SunSet xDSL: TDR Testing Techniques for DSL Circuits
SunSet xDSL: Load Coil Testing
SunSet xDSL: Detecting Load Coils

TrendCommunications

xDSL Guide : Quick Reference
COPPER QUALIFICATION APPLICATION NOTE
xDSL Pair Qualification using the LT2000
xDSL Pair Qualification using the LT2000 Pseudo Cross Talk
TDR Functionality on the ALT 2000
DMM Testing
Troubleshooting the Local Loop

3M

Advanced Diagnostics Software Options – DELT, SELT and Spectral Analysis

High Bandwidth Copper Testing

TEXAS INSTRUMENTS

Single-Ended Loop Testing (SELT) Expectations and Realities

ZHONE

Loop Testing with SELT & DELT

PARADYNE

Using SELT and DELT Loop Tests

WILCOM

SELT & DELT FAQ

VIERLING

Tracking down DSL problems

CONSULTRONICS

Challenges with DSL Deployment

SENTER

Troubleshooting

Line stats (DSL)
Aware Dr. DSL
Crosstalk and Loop Make-Up Identification for DSL Systems

MUSE - DSL Loop Qualification & Monitoring Solution

TR-197 DQS: DSL Quality Management Techniques and Nomenclature