Juniper EX4100

• EX4100-24MP and EX4100-48MP use the 920W AC AFO (Airow Out) PSU (Power Supply Unit)
FRUs.
• EX4100-48T uses the 150W AC AFO PSU FRU.
• EX4100-48T-DC usess the 150W DC AFO PSU.
• EX4100-48T-AFI uses the 150W AC AFI (Airow In) PSU FRU.
• EX4100-24T uses the 150W AC AFO PSU FRU.
• EX4100-24T-DC uses the 150W DC AFO PSU FRU.
• EX4100-F-48P uses the built-in 850W AC power supply.
• EX4100-F-48T uses the built-in 90W AC power supply.
• EX4100-F-24P uses the built-in 450W AC power supply.
• EX4100-F-24T uses the built-in 65W AC power.
FRU power supplies of EX4100 switch models are fully redundant, load-sharing, hot-removable and hot-
insertable when the second power supply is installed and running. You can remove and replace them
without powering o the switch or disrupng switch funcons. The EX4100 switches ship with one
power supply preinstalled in the rear panel of the chassis. Each power supply includes its own internal
cooling system.
CAUTION: Avoid mixing:
• AC and DC power supplies in the same chassis.
• Power supplies with dierent airow direcons in the same chassis.
• Fan modules with dierent airow direcons in the same chassis.
• Power supplies and fan modules with dierent airow direcons in the same chassis.
If you install power supplies or fan modules with dierent airow direcons, Junos OS
raises an alarm.
EX4100 and EX4100-F Switch Models
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