With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdmsInventoryTable
Cisco Digital Media Management System Inventory Table
1.3.6.1.4.1.9.9.655.1.3.2
This table lists all the inventory elements currently managed by this installation of DMS.
Back to CISCO-DIGITAL-MEDIA-SYSTEMS-MIB. MIB page.
IPHost Network monitor allows you to monitor cdmsInventoryTable 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.