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3Com Switch 7750 Series
Command Reference Guide – PoE
Chapter 2 PoE PSU Supervision Configuration Commands
2-2
Table 2-1
Description on the fields of the
display poe-power ac-input state
command
Field
Description
Normal: The AC input is normal.
Lack Phrase: The PSU is idle.
Under Limit: The AC input voltage is lower than
the lower threshold.
Upper Limit: The AC input voltage is higher than
the upper threshold.
Fuse Broken: The fuse is broken.
AC input state of PoE PSU 1
Switch Off: The switch is off.
2.1.2 display poe-power alarm
Syntax
display poe-power alarm
View
Any view
Parameter
None
Description
Use the
display poe-power alarm
command to display the detailed alarm information
about the external PoE PSUs.
Example
# Display the detailed alarm information about the external PoE PSUs.
<3Com> display poe-power alarm
PSU alarm detail:
Number of PSUs : 1
PSU 1 : Absent PSU is absent.
PSU 2 : Normal PSU is in normal state.
PSU 3 : Absent PSU is absent.