The NR100 Night Ringer is a telephone alert system that utilizes the existing paging system to alert security of incoming phone calls after hours. An electronic tone is sent through the paging system's speakers when triggered by the telephone system's night bell circuit.
The NR100 Night Ringer is a telephone alert system that utilizes the existing paging system to alert security of incoming phone calls after hours. An electronic tone is sent through the paging system's speakers when triggered by the telephone system's night bell circuit. The NR100 eliminates old fashioned night bells.
