... Alarm,Fire Alarm ,Water for alarm,Main engine fault,Telephone call and Telegraph call signal and Dead Man Alarm,ect.then send out ... examined input contacts are normal-close.When having machine fault,telephone call or telegraph alarm,the relevant alarm light on Engine Room ... &fire alarm must have priority to E/R failure alarm,Telephone call,Telegraph alarm and Deadman Alarm.Power supply:AC220V,10%,EM ...