monitoring a port?

list Mike
Fri, 27 Oct 2006 15:05:20 -0500
Message-Id: <user-5312f73a5a4c@xymon.invalid>

I know using bb-hosts there are tags to watch for ftp and other ports.
Is there a syntax to monitor a specific port by port number?

10.1.1.1	host	# hpjd:9100

Giving the above line as an example/question on monitoring a HP Jet
Direct device at port 9100.

Mike