Indicates the alarm state at module level, i.e. lower level (port alarms) status is not included. This attribute will be set to: critical(7) - when there is at least one active (state ON) critical alarm, otherwise it will be set to major(5) - when there is at least one active (state ON) major alarm, otherwise it will be set to minor(4) - if there is at least one active (state ON) minor alarm, otherwise it will be set to warning(6) - if there is at least one active (state ON) warning alarm, otherwise it will be set to event(3) - if there was at least one alarm event (including state on,off events) since the last clear operation.