Telecommunication system including a remote alarm reporting unit
First Claim
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1. A telecommunication system, comprising:
- a plurality of functional units, each producing a status signal;
a maintenance processor, coupled to said functional units, for receiving said status signals and producing signals representative of said status signals wherein said processor transmits said status representative signals as successive signals over a bus; and
a remote alarm reporting unit, coupled to said processor, for generating optically isolated alarm signals corresponding to said status representative signals, comprising;
a bus interface circuit, coupled to said bus, for extracting said status representative signals;
a plurality of optical couplers for producing said alarm signals; and
means, coupled between said bus interface circuit and said optical couplers, for controlling a selected one of said optical couplers in response to the value of a corresponding one of said successive status representative signals.
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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.
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Citations
14 Claims
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1. A telecommunication system, comprising:
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a plurality of functional units, each producing a status signal; a maintenance processor, coupled to said functional units, for receiving said status signals and producing signals representative of said status signals wherein said processor transmits said status representative signals as successive signals over a bus; and a remote alarm reporting unit, coupled to said processor, for generating optically isolated alarm signals corresponding to said status representative signals, comprising; a bus interface circuit, coupled to said bus, for extracting said status representative signals; a plurality of optical couplers for producing said alarm signals; and means, coupled between said bus interface circuit and said optical couplers, for controlling a selected one of said optical couplers in response to the value of a corresponding one of said successive status representative signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification