This variable indicates the
status of the interface.
The acSonetLineCurrentStatus
is a bit map represented
as a sum, therefore,
it can represent multiple defects
simultaneously.
The acSonetLineNoDefect should be
set if and only if
no other flag is set.
The various bit positions are:
1 acSonetLineNoDefect
2 acSonetLineAIS
4 acSonetLineRDI