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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.
Follow these steps to configure the PD compatibility detection function:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable the PD compatibility
detection function
poe legacy enable
Required
Disabled by default.
Configuring a PD Disconnection Detection Mode
To detect the PD connection with PSE, PoE provides two detection modes: AC detection and DC
detection. The AC detection mode is energy saving relative to the DC detection mode.
Follow these steps to configure a PD disconnection detection mode
To do… Use the command… Remarks
Enter system view
system-view
—
Configure a PD disconnection
detection mode
poe disconnect
{
ac
|
dc
}
Optional
The default PD disconnection
detection mode is AC.
If you adjust the PD disconnection detection mode when the switch is running, the connected PDs will
be powered off. Therefore, be cautious to do so.
Configuring PoE Over-Temperature Protection on the Switch
If this function is enabled, the switch disables the PoE feature on all ports when its internal temperature
exceeds 65°C (149°F) for self-protection, and restores the PoE feature settings on all its ports when the
temperature drops below 60°C (140°F).
Follow these steps to configure PoE over-temperature protection on the switch:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable PoE over-temperature
protection on the switch
poe temperature-protection
enable
Optional
Enabled by default.