This object when set except clear(4) is used to post
an APS priority request. This request succeeds if no
higher-priority request is posted.
lockOut(1):
locks out the protection channel corresponding
to this entry
forceWorking(2) & manualWorking(4):
post a request to switch away from the
working channel to protection channel of
this entry
forceProtect(3) & manualProtect(5):
post a request to switch away from the
protection channel to working channel of
this entry
clear(6):
Clears all posted APS priority requests in
this channel.