Allied Telesis AT-9000 Series - Manual (Page 162)

Chapter 14: Power Over Ethernet (PoE)
162
 PoE Legacy Device—Select whether the switch supplies power to
a device that is connected to the port when the device is a legacy
PD. Choose from the following:
– Yes—Allows the switch to supply power to the device, even if
the device is a legacy PD.
– No—Does not allow the switch to supply power if the device is
a legacy PD. This is the default setting.
 PoE Port Priority— Select the PoE port priority. Choose from the
following:
– Critical—The highest priority level. Ports set to the Critical
level are guaranteed to receive power before any of the ports
assigned to the other priority levels.
– High—Ports set to the High level receive power only when all
the ports assigned to the Critical level are already receiving
power.
– Low—The lowest priority level. Ports set to the Low level
receive power only when all the ports assigned to the Critical
and High levels are already receiving power. This level is the
default setting.
5. Click Apply.
6. Click SAVE.