With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ceDiagEntityGroup
Cisco Entity Diagnostics Entity Group
1.3.6.1.4.1.9.9.350.2.2.3
A collection of managed objects that describe the state of a physical entity with respect ot the online diagnostic feature.
Back to CISCO-ENTITY-DIAG-MIB MIB page.
IPHost Network monitor allows you to monitor ceDiagEntityGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.