Enables or disables the processing of status enquiry
on annexdswitch(7) and annexaswitch(8).
If it is enabled and the status enquiry is not received
from the DTE within wfFrDlcmiAnnexSwEnqTmr,
the internal counter will be incremented.
If internal counter exceeds wfFrDlcmiErrorThreshold,
the circuit will be brought down.