DEV SYSTEMTECHNIK GMBH
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Glossary1 3 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Indication of the power supply status via dry-contacts. B-Alarm means one power supply is faulty (non-critical because of the implemented power supply redundancy in all DEV equipment). A-Alarm is the higher rated alarm indicating that two power supplies are faulty.