With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
tn3270sMaxLus
tn3270s Max Lus
1.3.6.1.4.1.9.9.54.1.1.1.1.3
The maximum number of LUs supported by the server.
Back to CISCO-TN3270SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor tn3270sMaxLus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.