User`s guide

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*OUTQ Works in the same way as the jobq checkpoint. If too many
spool files or pages exist in an out queue, a message will be
created
*POP3 Checks that a POP3 server is responding.
*SBS Checks that a subsystem is active on the system.
*SERVER Checks that a server accepts a connect attempt.
*SMTP Checks that a SMTP server is responding.
*SYSACT Active systems checkpoint is used to check that a remote
system responds to a connection check. The remote system
can be another iSeries or, if TCP/IP is used, any system with
an IP address can be checked using Ping. In this case also
routers, printers etc. with an IP address can be included.
*USRDFN A user written program is used to perform the check.