You can set OP1 as your operator in the SYSTEM CONFIG file. Then have AUTOLOG1 XAUTOLOG OPERATOR. The profile exec on OPERATOR would look like the following. This would make operator the system operator, and if PROP is stopped, OP1 would become the system operator.
/***************************/
/* Operator Profile Exec */
/***************************/
Address Command
'CP SET SYSOPER *'
'EXEC PROPST PROP DISC'
'CP SET SYSOPER OP1'
'CP LOGOFF'
EXIT
