Superseded Standard

IEEE 820-1984

IEEE Standard Telephone Loop Performance Characteristics

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.

Sponsor Committee
COM/TRANS - Transmission Systems
Superseded Standard
Superseded by
Board Approval
ANSI Approved:

Working Group Details

IEEE Communications Society
Learn More About IEEE Communications Society
Sponsor Committee
COM/TRANS - Transmission Systems

Other Activities From This Working Group

Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.

No Active Projects

Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.

No Active Standards

These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.

No Superseded Standards

These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.

No Inactive-Withdrawn Standards

These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.

No Inactive-Reserved Standards
Subscribe to our Newsletter

Sign up for our monthly newsletter to learn about new developments, including resources, insights and more.