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