With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdmsPatchVersion
Cisco Digital Media Management System Patch Version
1.3.6.1.4.1.9.9.655.1.1.3
A string which indicates the patch version of this managed instance of Digital Media System.
Back to CISCO-DIGITAL-MEDIA-SYSTEMS-MIB. MIB page.
IPHost Network monitor allows you to monitor cdmsPatchVersion 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.