Most monitor software company's have created a link to check on docbase status.
Besides BMC Patrol software, you can look at HP Openview, IBM Tivoli are some other big ones, that I know customer are using.
If the can connect via java script for monitoring it should work.
You need to ask the monitoring vendor.
We provide monitoring scripts that can to tied too
EMC Documentum Content Server 7.3 Administration and Configuration Guide Page 559
Monitoring scripts are provided for Content Server, the connection broker, the Java method server,
and for the Index Agent.
The scripts must be run as the Documentum Content Server installation owner. Each script returns
success (the monitored process is running) as 0 or failure (the monitored process is stopped) as a
Also in older manuals
EMC Documentum Content Server 7.2 Administration and Configuration Guide Page 499
Manual configuration steps for monitoring resources