Trip Lite PDU metrics not displaying

Values for the PDU mentioned above have some issues, as follows.

Apparent Power: shows 0VA all the time.
Capacity: shows 0% all the time
Current Input - shows 0A all the time
Frequency - off by an order of magnitude, shows 599Hz when it should be showing 59.9Hz
Power Input - shows 0W all the time
Voltage Output - shows 0V all the time.
Network traffic - "Error drawing graph" all the time

The latest MIB is located here:
http://www.tripplite.com/shared/software/Firmware/Tripp-Lite-MIB-Definitions.txt

Let me know what other kind of data (snmpwalk, etc) I can provide to help with troubleshooting.