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Table 9 on page 15 lists the power consumed by each EX2200 switch model. The
maximum poweravailable on a PoE port is 30 W for switches running Junos OS Release
10.3 or later and 15.4 W for switches running Junos OS Release 10.2 or earlier.
Table 9: Power Consumed by EX2200 Switches
Maximum PoEPower
Available
Maximum Power
Consumedby the Switch
Number of PoE-Enabled
PortsModel Number
–50 W–EX2200-24T
405 W60 W (whenno PoEpoweris
drawn)
24EX2200-24P
–76W–EX2200-48T
405 W91 W (whenno PoE power is
drawn)
48EX2200-48P
Related
Documentation
AC Power Cord Specifications for EX2200 Switches on page 47•
• Rear Panel of an EX2200 Switch on page 6
• Power Specifications for EX2200 Switches on page 47
• Connecting AC Power to an EX2200 Switch on page 73
• Connecting Earth Ground to an EX Series Switch on page 67
Cooling System and Airflow in an EX2200 Switch
ThecoolingsysteminanEX2200switchconsistsoftwofansalongtherearofthechassis
that provide side-to-rear chassis cooling. In switch models with network ports in which
PoE is available, there is an additional fan in the power supply.
Figure 8 on page 16 shows the airflow in an EX2200 switch with network ports in which
PoE is not available.
15Copyright©2010, JuniperNetworks, Inc.
Chapter2:ComponentDescriptions