Juniper EX4300 Series

Table 30: Details of the AC Power Supplies in EX4300 Switches (Connued)
Details 350 W AC Power
Supply
715 W AC Power
Supply
1100 W AC
Power Supply
1400 W AC
Power Supply
Operang range
• Low line: 100–
120 VAC
• High line: 200–
240 VAC
• Low line: 100–
120 VAC
• High line:
200–240 VAC
• Low line: 115–
120 VAC
• High line:
200–240 VAC
• Low line: 100–
140 VAC
• High line:
200–240 VAC
NOTE
: In EU countries, Egypt, Nigeria, Saudi Arabia, Serbia, South Korea, and South Africa, you
must ensure that the redundant power supply is installed in the switch chassis.
To prevent electrical injury while installing or removing AC power supplies, carefully follow instrucons
in "Installing an AC Power Supply in an EX4300 Switch" on page 298 and "Removing an AC Power
Supply from an EX4300 Switch" on page 296.
AC Power Supply Airow
Each power supply has its own fan and is cooled by its own internal cooling system.
Each power supply has a label AIR OUT (AFO) or AIR IN (AFI) on the faceplate of the power supply that
indicates the direcon of airow in the power supply.
Table 31 on page 95 lists the AC power supply models and the direcon of airow in them.
Table 31:
Airow Direcon in AC Power Supply Models for EX4300 Switches
Model Label on
Power Supply
Direcon of Airow
JPSU-350-AC-AFO-A AIR OUT
(AFO)
Front-to-back—that is, air intake to cool the chassis is through the
vents on the front panel of the chassis and hot air exhausts through
the vents on the rear panel of the chassis.
95