| Description | When queried with index value apsChanConfigNumber other than
0, this object will return the value of sysUpTime when this
channel last completed a switch to the protection line. If
this channel has never switched to the protection line, the
value 0 will be returned.
When queried with index value apsChanConfigNumber set to 0,
which is the protection line, this object will return the
value of sysUpTime the last time that a working channel was
switched back to the working line from this protection line.
If no working channel has ever switched back to the working
line from this protection line, the value 0 will be returned. |