3com 4500 PWR 26-PORT User Manual
PoE Configuration Commands
95
If there are too many ports with critical priority, the total power these ports need
might exceed the maximum power supplied by the equipment, i.e., 300W. In this
case, no new PD can be added to the switch.
might exceed the maximum power supplied by the equipment, i.e., 300W. In this
case, no new PD can be added to the switch.
When the remaining power of the whole equipment is below 18.8 W, no new PD
can be added to the Switch.
can be added to the Switch.
Example
Set the port priority to
critical
.
[4500-Ethernet1/0/3]poe priority critical
Set Port POE priority successfully
Restore the default priority.
[4500-Ethernet1/0/3]undo poe priority
Set Port POE priority successfully
poe update
Syntax
poe update { refresh | full } filename
View
System View
Parameter
refresh:
The refresh update mode is used when the PSE processing software is
valid.
full:
The full update mode is used when the PSE has no valid processing
software.
filename:
Update file name, with a length of 1 to 64 characters.
Description
Use the
poe update
command to update the PSE processing software online
Note that:
z
The full mode is used only when you cannot use the
refresh
mode.
z
When the update procedure in
refresh
mode is interrupted for some
unexpected reason (e.g. power-off) or some errors occur, you can use the
full
mode to re-update.
z
When the PSE processing software is damaged (that is, all the PoE commands
cannot be successfully executed), you can use the full mode to update and restore
the software.
the software.