IEEE 820-2021

$35.75

IEEE Standard Telephone Loop Performance Characteristics

Published By	Publication Date	Number of Pages
IEEE	2021	39

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Description

Revision Standard – Active. Common denominators for subscriber line performance, independent of facility types, construction processes or equipment, and circuit provisioning methods are provided in this standard.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std 820™-2021 Front cover
2	Title page
4	Important Notices and Disclaimers Concerning IEEE Standards Documents
8	Participants
9	Introduction
10	Contents
11	1. Overview 1.1 Scope 1.2 Purpose 1.3 Word usage
12	2. Normative references 3. Definitions, acronyms, and abbreviations 3.1 Definitions
14	3.2 Acronyms and abbreviations 4. General information 4.1 Performance classifications
15	4.2 Types of loop facilities 4.3 Interface with the local switching system
16	4.4 Interface at customer premises 4.5 Use of statistical information 4.6 Measurement procedures 5. Performance characteristics 5.1 Loop loss
19	5.2 Frequency response characteristics
24	5.3 Loop current
27	5.4 Loop noise
33	5.5 Longitudinal balance
35	Annex A (informative) Bibliography
37	Annex B (informative) Loop current and circuit loss B.1 Loop current and circuit loss B.2 Comparing circuit loss and loop current
39	Back cover