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- Publication Date: August 2004
- Publishing Organization: IEEE
- Format: PDF
application principles, audio tones, c37.93-2004, guidelines, ieee, installation, power system relaying, receiving equipment, smart grid, standard, testing, transmitting, voice grade channels
This document contains the detailed information of the standard IEEE C37.93-2004. Guidelines for applying audio tones over voice grade channels for power system relaying are provided in this document, including transmitting and receiving equipment, leased voice grade channels, application principles, installation, and testing.