8-6
Planning and Implementation for the 3500 Switches
Planning Your PoE Configuration
P
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The table in this example configuration shows the PoE power available for
the HP ProCurve 3500-48-PoE switch.
Figure 8-4. Example of two HP ProCurve 3500-48-PoE Switches connecting to a
HP ProCurve 620 External and Redundant Power Supply (J8696A)
Each of the switches can receive full redundant power from the HP ProCurve
620 RPS/EPS should one of the internal power supplies fail. The lowest loaded
bank of ports (1-24 or 25-48) has 22 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).
3500- 48 port
switches
620 RPS/EPS
Source of
Power
Watts
Available
# of Ports Powered and
Average watts/Port
Redundant # of Ports
Powered and Average
watts/Port
Internal PoE
Power Supply
398
25 @ average 15.4 W each
48 @ average 7.5 W each
48 @ average 4.0 W each
None
Internal plus
External PoE
power Supply
398 + 388
48 @ average 15.4 W each
24 @ average 15.4 W each
48 @ average 7.5 W each
External PoE
Power Supply
(failed Internal
Power Supply)
388
(22 W is
reserved for
either ports
1-24 or 25-48)
25 @ average 15.4 W each
48 @ average 7.5 W each
48 @ average 4.0 W each
None
Summary of Contents for ProCurve 600
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