SNMP OID values for APC8941 PDUs we found useful when setting up Zenoss and cacti monitoring.
Total Volt Amps:
.1.3.6.1.4.1.318.1.1.12.1.18.0
Temperature (with optional AP9335T Temperature Sensor)
.1.3.6.1.4.1.318.1.1.26.10.2.2.1.8 in C
.1.3.6.1.4.1.318.1.1.26.10.2.2.1.7 in F
Relative Humidity (with optional AP9335TH Temp and Humidity Sensor):
.1.3.6.1.4.1.318.1.1.26.10.2.2.1.10
There are a bunch more things you can check, Temp status, breaker and power outlet status as well. Make sure you get the latest PowerNet MIB form APC.

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