Juniper QFX3500, Hardware Documentation

Page: 195 / 669

This topic describes the AC power supplies.
CAUTION: Do not mix:
•
AC and DC power supplies in the same chassis
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
Characteristics of an AC Power Supply
The AC power supplies for EX4300 switches are available in 350 W, 715 W, 1100 W, and 1400 W models.
Figure 59 on page 171 shows an AC power supply for EX4300 switches. The AC power supplies support
Power over Ethernet (PoE+) in EX4300-24P, EX4300-24P-S, EX4300-48P, EX4300-48P-S, EX4300-48MP,
and EX4300-48MP-S models.
Figure 59: AC Power Supply for EX4300 Switches
g022464
Table 52 on page 172 lists the details of the 350 W, 715 W, 1100 W, and 1400 W AC power supplies used
in EX4300 switches.
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