supervisory signal

Definitions

Computing

• noun a signal that indicates if a circuit is busy
• noun a signal that provides an indication of the state of a device

Electronics

• A signal, such as a hook flash or that transmitted by hanging up, which alerts a central office or PBX to a given command, such as switching between calls when using call waiting, or to release the line when ending a call.

Nearby Definitions of “supervisory signal”

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Contexts for “supervisory signal”

3 definitions in context
• Computing
• Electronics