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In many installation codes it is necessary to have redundancy in critical signal routes like speaker cables (Loop or AB cabling): between fire panel and the PAVA system. In some installation codes this includes also the connection to the fire men pag..

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End-of-line module for the end of the VARIODYN D1 voice alarm system loudspeaker line for standard-compliant monitoring: when more than 20 loudspeakers are connected to a line. The module is connected to the final loudspeaker at the end of the line. ..

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