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Chapter 4: Web-Based Management
134 GE-DS-82 and 82-PoE Ethernet Managed Switch User Manual
OBJECT DESCRIPTION
Power Limit It can limit the port PoE supply watts.
Per port maximum value must less 15.4, total ports values must less
than the Power Reservation value.
Once power overload detected, the port will auto shut down and keep
on detection mode until PD’s power consumption lower than the power
limit value.
NOTE: For GE-DS-82-PoE, the total PoE power reservation from Port-1-8 is up to
180W.
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. Class 0 is the default for PDs. However, to
improve power management at the PSE, the PD may opt to provide a signature for
Class 1 to 3.
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 shall return Class 0 to 3 in accordance with the maximum power draw as
specified by the table below.
Class Usage Range of maximum power used by the PD
0 Default 0.44 to 12.95 Watts
1 Optional 0.44 to 3.84 Watts
2 Optional 3.84 to 6.49 Watts
3 Optional 6.49 to 12.95 Watts
4 Not Allowed Reserved for Future Use
NOTE: Class 4 is defined but is reserved for future use. A Class 4 signature cannot be
provided by a compliant PD.