The value of tmnxSLAProfCatTimeoutAction specifies
the action to be taken when the idle time is elapsed.
The value of this object is only relevant when the
actual idle time is not equal to zero.
The actual idle time is the value of the object tmnxSLAProfCatTimeout
or the value of the object tmnxSPICatQuotaHoldingTime in the
corresponding row in the tmnxSPICatTable.
The value 'shcvCheck' specifies that a Subscriber Host
Connectivity Verification check be started.