GE GE-DS-82, 82-POE user manual PD Classifications, Power Limit

Chapter 4: Web-Based Management

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.

134 GE-DS-82 and 82-PoE Ethernet Managed Switch User Manual