09/09/2011 • IT Security / Cyber Security • Security, Intrusion Detection, Perimeter Protection

Increased System Reliability and Reduced Wiring Costs

As a rule, 100 V loudspeakers are still connected to voice alarm systems using spur line technology. This involves a high risk of system failure. Systems that comply with DIN VDE 0833-4 can be equipped with A/B wiring to minimize the risks caused by wire breakage and short-circuits.

The fire alarm technology sector has been successfully using LSN technology for the past 20 years. In contrast, LSN loop technology has not become established as a standard feature of voice alarm technology because these systems necessitate a much greater transmission of power. This produces a greater number of demands to be met by this sector. The main advantages of LSN ring technology include 100% operational reliability, simple replacement of the A/B wiring, E30 wiring rendered partially superfluous and use of second loudspeaker in smaller room rendered superfluous.

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