1-5 
Operation  Command  Description 
Set the PoE management 
mode for the switch 
poe power-management 
{ auto | manual } 
Required 
auto by default. 
Enter Ethernet port view 
interface interface-type 
interface-number 
— 
Se the PoE priority of a port 
poe priority { critical | high | 
low } 
Required 
low by default. 
 
Setting the PoE Mode on a Port 
PoE mode of a port falls into two types, signal mode and spare mode.  
z  Signal mode: DC power is carried over the data pairs (1,2,3,6) of category-3/5 twisted pairs. 
z  Spare mode: DC power is carried over the spare pairs (4,5,7,8) of category-3/5 twisted pairs. 
Currently, Switch 4210 do not support the spare mode. 
After the PoE feature is enabled on the port, perform the following configuration to set the PoE mode on 
a port. 
Table 1-6  Set the PoE mode on a port 
Operation  Command  Description 
Enter system view 
system-view 
— 
Enter Ethernet port view 
interface interface-type 
interface-number 
— 
Set the PoE mode on the port 
to signal 
poe mode signal 
Optional 
signal by default. 
 
Configuring the PD Compatibility Detection Function 
After the PD compatibility detection function is enabled, the switch can detect the PDs that do not 
conform to the 802.3af standard and supply power to them. 
After the PoE feature is enabled, perform the following configuration to enable the PD compatibility 
detection function. 
Table 1-7 Configure the PD compatibility detection function 
Operation  Command  Description 
Enter system view 
system-view 
— 
Enable the PD compatibility 
detection function 
poe legacy enable 
Required 
Disabled by default.