Table of Contents

1 Overview
  1.1 Scope
  1.2 Purpose
2 References
3 Definitions, acronyms, and abbreviations
  3.1 Definitions
  3.2 Acronyms and abbreviations
4 General information
  4.1 Performance classifications
  4.2 Types of loop facilities
  4.3 Interface with the local switching system
  4.4 Interface at customer premises
  4.5 Use of statistical information
  4.6 Measurement procedures
5 Performance characteristics
  5.1 Loop loss
  5.2 Frequency response characteristics
  5.3 Loop current
  5.4 Loop noise
  5.5 Longitudinal balance
Annex A (informative) Bibliography
Annex B (informative) Loop current and circuit loss

Abstract

Describes the general parameters and characteristics associated with telephone loops from the subscriber signaling and analog voice frequency interface to the local Class 5 switch interface. It includes only those business and residential lines in the North American public switched network where no special performance requirements are involved.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT 820 : D5 2005