User Manual

Table Of Contents
Users Manual of WGS-5225-8UP2SV
389
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 8 in accordance with the maximum power drawn as specified by Table 4-8-1-1.
Class
Usage
Range of maximum power used by the PD
Class Description
0
Default
0.44 to 12.95 watts
Classification unimplement
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
Valid for Type 2 (802.3at)
devices,
not allowed for 802.3af devices
12.95 to 25.5 watts
High power
5
Valid for Type 3 (802.3bt)
devices
40 watts
6
51 watts (4-pair)
7
Valid for Type 4 (802.3bt)
devices
62 watts (4-pair)
8
71.3 watts (4-pair)
Table 4-8-1-1 Device Class.