Command to check server port number opened or not from hp switches

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http://serverfault.com – I am facing is that to check the port number of the server is opened or not. DOnt know how to check it and also gone via various hp pdf's with no go. Like in cisco if we want to check whether the server is able to hear at some specific port then we run the command telnet ip port-number (enter). it will give us the prompt whether the window is open on that port number or not. Please respond back (HowTos)