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Digital Subscriber Line (DSL) Testing

9. References

1. "Characterization of Subscriber Loops for Voice and ISDN Services: 1983 Subscriber Loop Survey Results," Bellcore Science and Technology Series, ST–TSY-000041, 1983.

2. "Digital Subscriber Line (HDSL and ADSL) Capacity of the Outside Loop Plant," IEEE Journal on Selected Areas in Communications, vol. 13, no. 9, December 1995.

3. "Bellcore Notes on the Networks," Bellcore, SR–2275, Issue 3, December 1997.

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TABLE OF CONTENTS: Definition and Overview 1 Need for xDSL Loop Prequalification 2 Methodologies for xDSL Loop Prequalification 3 xDSL Testing Needs 4 Discussion of Load Coils 5 Measurement of Line Length 6 Bridge Tap Detection 7 Crosstalk, Metallic Fault, and Longitudinal Balance Testing 8 Gaining Access to the Copper Loop for Test 9 References Self-Test Correct Answers Glossary Comment on This Tutorial