supervisory signal

supervisory signal

[¦sü·pər¦vīz·ə·rē ′sig·nəl]
(electricity)
A signal which indicates the operating condition of a circuit or a combination of circuits in a switching apparatus or other electrical equipment to an attendant.
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Supervisory signal devices (except valve supervisory switches
The output signal can be monitored by the fire alarm panel as a supervisory signal.
Versus Technology added a supervisory signal to its patented infrared location and communications badge, which enables hospitals and other organizations to identify the precise location of patients, staff or equipment throughout a facility at all times.
Adding a backup, supervisory signal to our infrared systems means healthcare providers are always in contact with everyone and everything that is important in the hospital.
The current-loop and tonal systems never met this criterion because their supervisory signals repeated.
For example, alarm signals can be sent to a central station, while maintenance and supervisory signals can be sent to a receiver in the alarm installer's office.
Monitoring may include intrusion, fire, supervisory signals, emergency phone systems, and monitoring.

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