With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoLS1010ChassisFailureAction
cisco LS1010 Chassis Failure Action
1.3.6.1.4.1.9.5.11.1.1.21
which includes either power supply, voltage, temperature and fan failure.
Back to CISCO-RHINO-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoLS1010ChassisFailureAction on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.