Operation Manual – PoE & PoE Profile 
Quidway S3900 Series Ethernet Switches-Release 1510 
Chapter 1  PoE Configuration
 
1-9 
# Set the maximum output power of Ethernet 1/0/1 and Ethernet 1/0/2 to 12000 
mW and 2500 mW respectively. 
[Quidway] interface Ethernet 1/0/1 
[Quidway-Ethernet1/0/1] poe max-power 12000 
[Quidway-Ethernet1/0/1] quit 
[Quidway] interface Ethernet 1/0/2 
[Quidway-Ethernet1/0/2] poe max-power 2500 
[Quidway-Ethernet1/0/2] quit 
# Set the PoE priority of Ethernet 1/0/24 to critical to guarantee the power feeding 
to the AP to which this port connects. 
[Quidway] interface Ethernet 1/0/24 
[Quidway-Ethernet1/0/24] poe priority critical 
[Quidway-Ethernet1/0/24] quit 
# Set the power supply management mode on the switch to auto (it is the default 
mode, so this step can be ignored). 
[Quidway] poe power-management auto 
# Enable the PD compatibility detect of the switch to allow the switch to supply 
power to part of the devices noncompliant with the 802.3af standard.  
[Quidway] poe legacy enable