Juniper EX4300 Hardware Guide

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For the cooling system to function properly, the airflow around the chassis must be
unrestricted. See Figure 35 on page 96, Figure 36 on page 96, and Figure 37 on page 96
for reference.
Figure 35: Front-to-Back Airflow on 24-Port and 48-Port EX4300 Switches
Front Rear
g022084
Figure 36: Front-to-Back Airflow on 32-Port EX4300 Switches
Figure 37: Back-to-Front Airflow on 24-Port and 48-Port EX4300 Switches
Copyright © 2017, Juniper Networks, Inc.96
EX4300 Switch Hardware Guide

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