Command Manual – PoE
Quidway S8500 Series Routing Switches Chapter 2 PoE PSU Supervision Commands
Huawei Technologies Proprietary
2-6
2.2 PoE PSU Supervision Configuration Commands
2.2.1 poe-power input-thresh lower
Syntax
poe-power input-thresh lower string
View
System view
Parameter
string: Undervoltage alarm threshold. It ranges from 90.00 V to 264.00 V in the format
of X.X and within the accuracy of the second decimal.
Description
Use the poe-power input-thresh lower command to set the undervoltage alarm
threshold of AC input for the PoE PSUs (lower threshold):
z For 220 VAC input, it is recommended to set the threshold to 181.0 V.
z For 110 VAC input, it is recommended to set the threshold to 90.0 V.
Example
# Set the undervoltage alarm threshold of AC input to 181.0 V.
[Quidway] poe-power input-thresh lower 181.0
Set lower input-threshold power successfully!
2.2.2 poe-power input-thresh upper
Syntax
poe-power input-thresh upper string
View
System view
Parameter
string: Overvoltage alarm threshold. It ranges from 90 V to 264 V in the format of X.X.
Description
Use the poe-power input-thresh upper command to set overvoltage alarm threshold
of AC input (upper threshold):
z For 220 VAC input, it is recommended to set the threshold to 264.0 V.
z For 110 VAC input, it is recommended to set the threshold to 132.0 V.
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