GS-5220-Series User Manual

Table Of Contents
Users Manual of GS-5220 Series
326
power consumption.
Class-Reserved-Power mode: System reserves PoE power to PD
according to PoE class level.
Allocation-Consumption mode: System offers PoE power according to PD
real power consumption.
Allocation-Reserved-Power mode: Users are allowed to assign how much
PoE power for each port and system will reserve PoE power to PD.
LLDP-Consumption mode: System offers PoE power according to PD real
power consumption.
LLDP-Reserved-Power mode: System reserves PoE power to PD
according to LLDP configuration.
Power Supply Budget
[W]
Set limit value of the total PoE port providing power to the PDs.
GS-5220-8P2T2S available maximum value is 240 watts.
Temperature
Threshold
Allows setting over temperature protection threshold value. If Its system
temperature is over the threshold, the system will lower total PoE power budget
automatically.
PoE Usage Threshold
Allows setting how much PoE power budget could be limited.
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 Table 4-16-1.
Class Usage Range of maximum power used by the PD Class Description
0 Default
12.95 watts (or to 15.4 watts for AF mode)
25.5 watts (or to 30.8 watts for AT mode)
Mid power or high power
1
Optional 0.44 to 3.84 watts Very low power
2
Optional 3.84 to 6.49 watts Low power
3 Optional 6.49 to 12.95 watts (or to 15.4 watts) Mid power
4 Optional 12.95 to 25.50 watts (or to 30.8 watts) High power
Table 4-16-1 Device Class