Indicates the current state of the port. lockedOut This bit, when applied to a working channel, indicates that the channel is prevented from switching to the protection connection. When applied to the null channel, this bit indicates that no working channel may switch to the protection connection. sfWorking A signal failure condition on the working connection is in effect. sfProtecting A signal failure condition on the protecting connection is in effect. switched The switched bit is applied to a working channel if that channel is currently switched to the protection connection. lockedOutRemote Indicate that the protection is locked out by command issued on the remote NE.