Juniper EX4300 Hardware Guide

CHAPTER 7
Power Specifications and Requirements
•
AC Power Supply Specifications for EX4300 Switches on page 99
•
AC Power Cord Specifications for an EX4300 Switch on page 100
•
DC Power Supply Specifications for EX4300 Switches on page 104
•
Calculating the EX Series Switch Fiber-Optic Cable Power Budget on page 104
•
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:
•
Table 62 on page 99: 350 W AC power supply specifications
•
Table 63 on page 100: 715 W AC power supply specifications
•
Table 64 on page 100: 1100 W AC power supply specifications
Table 62: 350 W AC Power Supply Specifications for an EX4300 Switch
SpecificationItem
•
Low-voltage line: 100–120 VAC
•
High-voltage line: 200–240 VAC
AC input voltage
50–60 HzAC input line frequency
•
Low-voltage line: 4 A
•
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.
99Copyright © 2017, Juniper Networks, Inc.

Juniper EX4300 Specifications

General

Model	EX4300
Virtual Chassis	Yes, up to 10 members
Layer 3 Routing	Yes
10GBASE SFP+ Ports	4
Jumbo Frames	9216 bytes
MAC Address Table Size	32, 000
Operating System	Junos OS
Uplink Ports	4 x 10GBASE SFP+
Power Supply	AC or DC options
Operating Temperature	0°C to 45°C (32°F to 113°F)
Input Voltage	100-240V AC
Operating Relative Humidity	5 to 90% RH, non-condensing
Management Options	CLI, Web UI, Junos Space
Redundancy	Yes, power supply and fans
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Ports	24 or 48