This variable indicates the status of the interface.
The acSonetVTCurrentStatus is a bit map represented
as a sum, therefore, it can represent multiple defects and failures
simultaneously. The acSonetVTNoDefect should be set if and only if
no other flag is set.
The various bit positions are:
1 acSonetVTNoDefect
2 acSonetVTLOP
4 acSonetVTPathAIS
8 acSonetVTPathRDI
16 acSonetVTPathRFI
32 acSonetVTUnequipped
64 acSonetVTPayloadLabelMismatch