I have 3 servers, all using the NUT plugin with the same UPS over SNMP. One of the servers (a fresh install) is not showing the Voltage Graphs.
Eaton 5PX 1500
Code
Init SSL without certificate database
ambient.temperature: 0.0
ambient.temperature.high: 40.00
ambient.temperature.low: 0.00
battery.charge: 100.00
battery.current: 0.00
battery.runtime: 4092.00
battery.runtime.low: 180.00
battery.voltage: 51.00
device.mfr: EATON
device.model: Eaton 5PX 1500
device.serial: ID: 0000000000 , Msg: 5PX1500RT
device.type: ups
driver.name: snmp-ups
driver.parameter.mibs: pw
driver.parameter.pollfreq: 15
driver.parameter.pollinterval: 2
driver.parameter.port: 192.168.10.145
driver.parameter.snmp_version: v1
driver.version: 2.7.2
driver.version.data: pw MIB 0.6.2
driver.version.internal: 0.72
input.frequency: 60.00
input.phases: 1.00
input.quality: 2.00
input.voltage.nominal: 120.00
output.current: 4.00
output.frequency: 60.00
output.frequency.nominal: 60.00
output.phases: 1.00
output.realpower: 525.00
output.voltage: 116.00
output.voltage.nominal: 120.00
ups.firmware: INV: 10
ups.firmware.aux: Network Management Card V6.00 JL
ups.load: 37.00
ups.mfr: EATON
ups.model: Eaton 5PX 1500
ups.power: 525.00
ups.power.nominal: 1500.00
ups.realpower.nominal: 1500.00
ups.serial: ID: G090E34109 , Msg: 5PX1500RT
ups.status: OL
ups.type: normal
vendor.specific.abmstatus: Battery Resting