Juniper EX4300

CHAPTER 7
Power Specifications and Requirements
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AC Power Supply Specifications for EX4300 Switches on page 99
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AC Power Cord Specifications for an EX4300 Switch on page 100
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DC Power Supply Specifications for EX4300 Switches on page 104
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Calculating the EX Series Switch Fiber-Optic Cable Power Budget on page 104
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Calculating the EX Series Switch Fiber-Optic Cable Power Margin on page 105
AC Power Supply Specifications for EX4300 Switches
EX4300 switches support 350 W, 715 W, and 1100 W AC power supplies.
The tables in this topic provides power supply specification of AC power supplies used
in an EX4300 switch:
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Table 62 on page 99: 350 W AC power supply specifications
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Table 63 on page 100: 715 W AC power supply specifications
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Table 64 on page 100: 1100 W AC power supply specifications
Table 62: 350 W AC Power Supply Specifications for an EX4300 Switch
SpecificationItem
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Low-voltage line: 100–120 VAC
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High-voltage line: 200–240 VAC
AC input voltage
50–60 HzAC input line frequency
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Low-voltage line: 4 A
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High-voltage line: 2 A
AC input current rating
350 WOutput power
NOTE: The 32-port EX4300 switches support only350 W ACpower supplies
with front-to-back airflow direction.
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