StorageTek L700 - Manual (Page 32)

Fault Isolation
4-2 First Edition 96047
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UPS is On
The following screen shows when the UPS is on and communicating properly.
This screen displays information about the output power status.
If the load is not connected (such as the circuit breaker tripped or the
equipment is disconnected) the Load Power status will show a lower level
during normal operation.
This screen also displays input voltage and frequency information on the Utility
Power Status section. Reported voltages that differ greatly from the expected
nominal voltage indicate a quality problem with the input power.