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IEEE 820-1984

Historical Revision

IEEE Standard Telephone Loop Performance Characteristics

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New IEEE Standard - Superseded.
This standard covers 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. This standard provides common denominators for subscriber line performance, independent of facility types, construction processes or equipment, and circuit provisioning methods. This standard does not attempt to allocate impairments to the individual facilities and equipments that comprise the subscriber line. Such allocations are performed by the service providers to achieve the overall loop and telephone system performance.
The purpose of this standard is to describe quantitatively the performance characteristics of telephone loops and indicate current acceptable performance criteria.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 820
Publication Date Dec. 15, 1984
Language en - English
Page Count 24
Revision Level
Supercedes
Committee Transmission Systems
Publish Date Document Id Type View
April 13, 2022 820-2021 Revision
Jan. 31, 2006 820-2005 Revision
Dec. 15, 1984 820-1984 Revision