With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoEnvMonSupplyStatusDescr
cisco Environmental Monitor Supply Status description
1.3.6.1.4.1.9.9.13.1.5.1.2
Textual description of the power supply being instrumented. This description is a short textual label, suitable as a human-sensible identification for the rest of the information in the entry.
Back to CISCO-ENVMON-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoEnvMonSupplyStatusDescr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.