With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cefcPowerSupplyOutputTable
Cisco Entity Field Replaceable Unit Control Power Supply Output Table
1.3.6.1.4.1.9.9.117.1.6.2
This table contains a list of possible output mode for the power supplies, whose ENTITY-MIB entPhysicalTable entries have an entPhysicalClass of 'powerSupply'. It also indicate which mode is the operational mode within the system.
Back to CISCO-ENTITY-FRU-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cefcPowerSupplyOutputTable 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.
