The status of this row.
An entry MUST NOT exist in the active state unless all
objects in the entry have an appropriate value, as described
in the description clause for each writable object.
The cHcAlarmStatus object may be modified if the associated
instance of this object is equal to active(1),
notInService(2), or notReady(3). All other writable objects
may be modified if the associated instance of this object is
equal to notInService(2) or notReady(3).