HOw to test nsca, How to use it


HI I set up distributed monitrong thru nsca, BUt I donno how to test it and use it I disabled active checks in the Central server and the distr server is able to send packets to central server. BUt the Central Server GUI shows Last Check Type is Active and below it shows Active Checks Disabled ,When I say Submit Passive check results for this service , Id oon what to give in Check Output

Please hellp