(<#>) <command> COMMAND ACCEPTED (<command_origin>)
This message is issued when a valid command is issued to and accepted by the Master Engine Controller or Started Task Controller. The origin of the command will be one of the following:
OPER - the command was entered from the operator’s console
WTOR - the command was issued by replying to the outstanding WTOR message for the Master Engine or Started Task Controller. This will apply only if WTOR=Y is specified in the start-up parameter file.
MQ - the command was received from the IBM MQ command queue identified by the CMDQUE keyword in the start-up parameter file. The MQ origin is only applicable to the Master Engine Controller.