The PC1001-A3 and PC1002-A3 Cerberus PACE Compact digital audio matrix boards both provide a dedicated potential free system fault relay connector. This connector lies in the inputs/outputs area on the lower left side of the board.
The relay is activated in the regular operating mode. The relay is released in case of a fault.
The relay contacts can switch a voltage of up to 48 V.
System fault connector
Connected to C during a fault condition
Connected to C in the regular operation