HP PoE User Manual

Operating Rules
External Switch Power
Table 2-2. Power Usage
Class Usage Minimum Power Levels Range of Maximum
at Output of PSE Power required by
the PD
Operating Rules
0 Default 15.4 Watts 0.44 to 12.95 Watts
1 Optional 4.0 Watts 0.44 to 3.84 Watts
2 Optional 7.0 Watts 3.84 to 6.49 Watts
3 Optional 15.4 Watts 6.49 to 12.95 Watts
As you can see in the table, any 802.3af compliant PD will never require more
than 12.95 watts. The switch provides a minimum of 15.4 watts at the port in
order to guarantee enough power to run a device, after accounting for line loss.
2-6

HP PoE Specifications

General

Ports	Varies by model
PoE Standard	IEEE 802.3af/at
Total PoE Power Budget	Varies by model
Switching Capacity	Varies by model
Forwarding Rate	Varies by model
Management	CLI
Layer	Layer 2/3
Mounting	Rack-mountable