Telecommunication system including a remote alarm reporting unit

Details Telecommunication system including a remote alarm reporting unit Telecommunication system including a remote alarm reporting unit

1988-03-03

1990-04-03

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

With particular system function

34082517, 340505, 250551, G08B 2900

Patent

active

049144200

ABSTRACT:
A telecommunication system is provided consisting of a plurality of functional units each one producing a status signal. A maintenance processor is coupled to each of the functional units and receives the status signals. This processor produces signals representative of the status of the system. A remote alarm reporting unit is coupled to the processor and generates optically isolated alarm signals corresponding to the status representative signals generated by the processor.

REFERENCES:
patent: 3324458 (1967-06-01), MacArthur
patent: 3634824 (1972-01-01), Zinn
patent: 3686653 (1972-08-01), Salenbien et al.
patent: 3697953 (1972-10-01), Schoenwitz
patent: 3832688 (1974-08-01), Strojny et al.
patent: 4216462 (1980-08-01), McGrath
patent: 4298839 (1981-11-01), Johnston
patent: 4412292 (1983-10-01), Sedam et al.
patent: 4742334 (1988-05-01), Teich et al.

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