Planet Technology 8-Port IP Power Manager IPM-8001 - Manual (Page 9)

LED Function Description
INPUT
Input power consumption
indicator
Displays the amount of current being drawn by the
connected output device through the power outlet.
LED Function Description
STATUS
Input power status
indicator
Displays input voltage (Volts), input current (Ampere), and
frequency (Hz), sequentially on the 7-segment switching
display. This indicator also shows system errors in the form of
an error code such E01, E02, E03, and so on. You may check
to Appendix A Error Code to know the details of each error
code.
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1.6 Front Panel Interface