Value,Description,Reference
0,No Request,[RFC6378]
1,Do-not-Revert,[RFC6378]
2,Reverse Request,[RFC7271]
3,Exercise,[RFC7271]
4,Wait-to-Restore,[RFC6378]
5,Manual Switch,[RFC6378]
6,Unassigned,
7,Signal Degrade,[RFC6378]
8-9,Unassigned,
10,Signal Fail,[RFC6378]
11,Unassigned,
12,Forced Switch,[RFC6378]
13,Unassigned,
14,Lockout of protection,[RFC6378]
15,Unassigned,