Planet GS-5220 Series User Manual page 498

Buttons
: Click to apply changes
: Click to undo any changes made locally and revert to previously saved values.
PD Classifications
A PD may be classified by the PSE based on the classification information provided by the PD. The intent of PD
classification is to provide information about the maximum power required by the PD during operation.
However, to improve power management at the PSE, the PD provides a signature about Class level.
The PD is classified based on power. The classification of the PD is the maximum power that the PD will draw
across all input voltages and operational modes.
A PD will return to Class 0 to 4 in accordance with the maximum power draw as specified by
Class Usage
0 Default
1
Optional
2 Optional
3 Optional
4
Optional
Range of maximum power used by the
PD
12.95 watts (or to 15.4 watts for AF
mode)
25.5 watts (or to 30.8 watts for AT mode)
0.44 to 3.84 watts
3.84 to 6.49 watts
6.49 to 12.95 watts (or to 15.4 watts)
12.95 to 60 watts (or to 72 watts)
Table 4-16-1 Device Class
498
User's Manual of GS-5220 LCD Series
Table 4-16-1.
Class Description
Mid power or high power
Very low power
Low power
Mid power
High power