Command Manual – PoE
H3C S7500 Series Ethernet Switches
Chapter 2 PoE PSU Supervision Configuration
Commands
2-8
Parameters
string
: Overvoltage alarm threshold (in V) in the format of X.X.
z
For 220 VAC input, it ranges from 176.0V to 264.0V.
z
For 110 VAC input, it ranges from 90.0V to 132.0V.
Description
Use the
poe-power input-thresh upper
command to set the overvoltage alarm
threshold of AC input for the external PoE PSUs.
For 220 VAC input, the recommended value is 264.0 V; For 110 VAC input, the
recommended value is 132.0 V.
Examples
# Set the overvoltage alarm threshold of AC input for the external PoE PSUs to 264.0 V.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] poe-power input-thresh upper 264.0
Set upper input-threshold power successfully!
2.2.3 poe-power output-thresh lower
Syntax
poe-power output-thresh lower
string
View
System view
Parameters
string
: Undervoltage alarm threshold (in volts V) in the format of X.X, in the range of
45.0 to 47.0.
Description
Use the
poe-power output-thresh lower
command to set the undervoltage alarm
threshold of DC output for the external PoE PSUs.
For either 220 VAC or 110 VAC input, the recommended threshold is 47.0 V.
Examples
# Set the undervoltage alarm threshold of DC output for the external PoE PSUs to 47.0
V.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] poe-power output-thresh lower 47.0