Juniper EX4100 Hardware Manual page 78

NOTE: EX4100-F-24P, EX4100-F-24T, EX4100-F-48P, and EX4100-F-48T switch models have
built-in AC power supplies.
Do not mix:
• AC and DC power supplies in the same chassis.
• Power supplies with different airflow directions in the same chassis.
• Fan modules with different airflow directions in the same chassis.
• Power supplies and fan modules with different airflow directions in the same chassis.
Characteristics of an AC Power Supply
The AC power supplies for EX4100 switches are field-replaceable units (FRUs). The AC power supplies
of EX4100-F switches are built-in.
• The EX4100-48P and EX4100-24P switches use 920-W power supplies. The AC power supplies
support Power over Ethernet (PoE+) in EX4100-24P and EX4100-48P switch models.
• The EX4100-48MP and EX4100-24MP switches use 920-W power supplies. The AC power supplies
support Power over Ethernet (PoE++) in EX4100-24MP and EX4100-48MP switch models.
• The EX4100-48T, EX4100-48T-AFI, and EX4100-24T switches use 150-W power supplies.
• EX4100-F-48P, EX4100-F-48T, EX4100-F-24P, and EX4100-F-24T use built-in 850-W, 90-W, 450-
W, and 65-W AC power supplies respectively. The built-in AC power supplies support Power over
Ethernet (PoE+) in EX4100-F-24P and EX4100-F-48P switch models.
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