With IPHost Network Monitor you can run simple snmp requests against a Eaton device in your network.
mginputMaximumVoltage
mginput Maximum Voltage
1.3.6.1.4.1.705.1.6.2.1.5
The input phase maximum voltage over the last minute.
Back to MG-SNMP-UPS-MIB MIB page.
IPHost Network monitor allows you to monitor mginputMaximumVoltage on Eaton device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Eaton gateway UPS cards right now.