HP ProCurve Planning And Implementation Manual page 24

Planning
Planning Your PoE Configuration
HP 600 RPS/EPS
HP ProCurve Switch
2650-PWR
Figure 3-3. Example of an HP 600 RPS/EPS Power One Switch
Internal PoE
Power
Supply
Internal plus
External PoE
Power
Supply
External PoE
Power
Supply
(Failed
Internal PoE
Power
Supply)
3-6
Source of Watts
Power Available
406 24 @ average 15.4 W each
48 @ average 8.5 W each
406 + 408 48 @ average 15.4 W each
1 - 24 25 - 48
408
(38 W is
reserved for
either ports
1-24 or 25-48)
The lowest loaded bank of ports (1-24 or 25-48) has 38 watts reserved.
That power is available for use by the two highest priority ports in the
bank, (in a default configuration ports 1 and 2, or 25 and 26).
# of Ports Powered and
Average Watts/Port Powered and Average Watts/
24 @ average 15.4 W each
48 @ average 8.5 W each
Redundant # of Ports
Port