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2.3.5 PD Type
Changing the PoE power-up mode can let non-standard PDs pass the procedures
of PoE power delivery process. This way, the switch can supply power to non-
standard PDs. The GSD/GSW 802.3at PoE+ Switch series can set the PoE power-
up mode to be in Enhance mode, Standard mode or Legacy mode by the user
interface.
Object Description
Enhance
(default)
On the basis of standard mode, change the PD of class 0 to
AT mode; in addition, the current surge limit during power up
increases to the current limit of AT.
Standard Fully conforms to the IEEE 802.3 af/at standard.
Legacy
The legacy detection is to identify the PD devices that did not
follow the IEEE 802.3af standard and their unique electrical
signatures, in order for the PoE switch to provide the power to
those PD devices.
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