tsAsyModeTtyStatus
1.3.6.1.4.1.2011.2.33.1.2.1.8
Set the tty state in the interface.It can create a new row
and delete a row.But when creat a new row,the application must
be set.If you modify a row under the status of row,
you change the status from valid to undercreation.when you
have changed them,you change the status to valid.And if you will
create a row,the values of tsAsyModeTtyIFIndex,tsAsyModeTtyAppID
must be not null.