Powered Device Classes; Power Budget; Table 7: Ieee Powered Device Classes; Table 8: Power Supply Budgets Of The Power Supplies - Allied Telesis x530DP Series Installation Manual

Powered Device
Classes

Power Budget

Powered devices are grouped into the seven classes listed in Table 7. The
classes are based on the amount of power the devices require. The switch
supports all seven classes.
Table 7. IEEE Powered Device Classes
Class
0 15.4W
1 4.0W
2 7.0W
3 15.4W
4 30.0W
5 45.0W
6 60.0W
The power budget is the maximum amount of power the switch can supply
to the powered devices on its ports. The higher the budget, the more PoE
devices the switch can support at one time.
The power budget of the switch depends on several factors. The first is the
power supply model. The power budgets of the power supplies are listed
in Table 8.
Table 8. Power Supply Budgets of the Power Supplies
Power Supply
PWR150 / PWR150R
PWR250
PWR250-80
PWR800
PWR1200
Note
The switch supports only non-PoE devices when powered with the
PWR150, PWR150R, PWR250, or PWR250-80 power supply.
x530DP Series Installation Guide for Virtual Chassis Stacking
Maximum Power at
Switch Port
Power Budget for PoE Devices
0 watts
0 watts
0 watts
370 watts
740 watts
Maximum Power at
Powered Device
12.95W
3.84W
6.49W
12.95W
25.5W
40.0W
51.0W
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