With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ons15501TrapDescriptionGroup
ons15501 Trap Description Group
1.3.6.1.4.1.1869.11.11.6.2.4
The trap description attribute group provides the mapping from trap type to textual information about the trap.
Back to ONS15501-MIB MIB page.
IPHost Network monitor allows you to monitor ons15501TrapDescriptionGroup 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.