3Com Switch 8800 Family Configuration Guide

730 CHAPTER 62: POE PSU SUPERVISION CONFIGURATION
Configuration procedure
# Enter system view.
<SW8800> system-view
# Set the overvoltage alarm threshold of AC input for PoE PSUs to 264.0 V.
[SW8800] poe-power input-thresh upper 264.0
# Set the undervoltage alarm threshold of AC input for PoE PSUs to 181.0 V.
[SW8800] poe-power input-thresh lower 181.0
# Display the information about the AC input for the PoE PSUs.
[SW8800] display poe-power ac-input state
DC Output Alarm
Thresholds
Configuration
You can set the DC output alarm thresholds for the PoE PSUs to enable the Switch
8800 Family series to monitor the DC output voltages of the PSUs in real time
through the PoE supervision module.
DC Output Alarm
Thresholds
Configuration Tasks
n
For both 220 VAC and 110 VAC input, it is recommended to set the upper
threshold to 57.0 V and the lower threshold to 45.0 V.
DC Output Alarm
Thresholds
Configuration Example
Network requirements
■ Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.
■ Set the undervoltage alarm threshold of DC output for the PoE PSUs to 45.0 V.
Configuration procedure
# Enter system view.
<SW8800> system-view
# Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.
Tabl e 672 DC output alarm thresholds configuration tasks
No Operation Command Description
1 Enter system view system-view -
2
Set the overvoltage alarm
threshold of DC output
(upper threshold) for the
PoE PSUs
poe-power output-thresh
upper string
Required, and the range is
55.0 V to 57.0 V.
3
Set the undervoltage alarm
threshold of DC output
(lower threshold) for the PoE
PSUs
poe-power output-thresh
lower string
Required, and the range is
45.0 V to 47.0 V.
4
Display the DC output state
of the PoE PSUs.
display poe-power
dc-output state
Optional, and you can
execute this command in
any view.
5
Display the DC output
voltage/current value of the
PoE PSUs
display poe-power
dc-output value
Optional, and you can
execute this command in
any view.