3Com Switch 8800 Family Configuration Guide

732 CHAPTER 62: POE PSU SUPERVISION CONFIGURATION
Network diagram
Figure 172 Network diagram for PoE 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
# Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.
[SW8800] poe-power output-thresh upper 57.0
# Set the undervoltage alarm threshold of DC output for the PoE PSUs to 45.0 V.
[SW8800] poe-power output-thresh lower 45.0