The relay module can differentiate between 4 different warning and alarm levels (Warning, Alarm level 1, Alarm level 2 and power failure) and passes them on to a control center via separate potential-free contacts either as make contacts or break contacts 1 x connector for customer wiring for one of the 4 warning and alarm levels is included in the delivery. A direct connection to a central fire alarm system is not recommended or should only be considered after consultation with the responsible authority.