With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cefcFRUDrawnInlineCurrent
Cisco Entity Field Replaceable Unit Control FRU Drawn Inline Current
1.3.6.1.4.1.9.9.117.1.1.4.1.4
Amount of current that is being drawn from this FRU for inline operation.
Back to CISCO-ENTITY-FRU-CONTROL-MIB MIB page.
IPHost Network monitor allows you to monitor cefcFRUDrawnInlineCurrent 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.