With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lldpXMedRemHardwareRev
lldp X Med Remote Hardware Rev
1.0.8802.1.1.2.1.5.4795.1.3.3.1.1
The vendor-specific hardware revision string as advertised by the remote endpoint.
Back to LLDP-EXT-MED-MIB MIB page.
IPHost Network monitor allows you to monitor lldpXMedRemHardwareRev on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.