IEEE - Institute of Electrical and Electronics Engineers, Inc. - C37.93-1987

IEEE Guide for Power System Protective Relay Applications of Audio Tones over Telephone Channels

superseded - Reaffirmed , Superseded by
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Organization: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 28 December 1987
Status: superseded
Page(s): 1 - 43
ICS Code (Relays): 29.120.70
ISBN (Electronic): 978-0-7381-0897-1
DOI: 10.1109/IEEESTD.1987.79657
Standard:

Superseded. This guide contains information and recommendations for applying audio tones over telephone channels for power system relaying. Included are sections on transmitting and receiving... View More

Document History

C37.93-2004
August 23, 2004
IEEE Guide for Power System Protective Relay Applications of Audio Tones Over Voice Grade Channels
This document provides guidelines for applying audio tones over voice grade channels for power system relaying. Included are sections on transmitting and receiving equipment, leased voice grade...
C37.93-1987
December 28, 1987
IEEE Guide for Power System Protective Relay Applications of Audio Tones over Telephone Channels
Superseded. This guide contains information and recommendations for applying audio tones over telephone channels for power system relaying. Included are sections on transmitting and receiving...

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