With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
dialOutIfDTRState
dial Out If DTR State
1.3.6.1.4.1.2.6.119.4.6.1.2.1.4
Back to ibm-ibmdialOut MIB page.
IPHost Network monitor allows you to monitor dialOutIfDTRState on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM switches right now.