This object is used to establish a default value for all
instances of the cimrMsuProcAcceptableThreshold object in the
cimrMsuProcTable table. The value for this object must be
less than the values specified by cimrMsuRateWarningThreshold
and cimrMsuRateOverloadedThreshold objects. All changes to
this threshold will take effect at the end of the current
interval.