Juniper EX4300 Hardware Guide

Figure 1: Front Panel of a 24-Port EX4300 Switch
Figure 2 on page 5 shows the rear panel of a 24-port EX4300 switch with power supplies
and fan modules installed.
Figure 2: Rear Panel of a 24-Port EX4300 Switch
Table 3 on page 5 lists the 24-port EX4300 switch models and their components.
Table 3: Components in 24-Port EX4300 Switches
Supported
Uplink
Module
Power Supply
Shipped by Default
Fan Modules
Shipped by Default
Number of
PoE-enabled
PortsBuilt-In PortsSwitch Models
4-port
10-Gigabit
Ethernet SFP+
uplink module
A 350 W AC power
supply with the AIR
OUT (AFO) label.
Two fan modules; each
with an AIR OUT (AFO)
label.
024
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
EX4300-24T
4-port
10-Gigabit
Ethernet SFP+
uplink module
Power supplies for
this model are not
shipped by default;
you must separately
order either AC power
supplies or DC power
supplies.
Fan modules for this
model are not shipped
by default; you must
separately order either
two AIR OUT (AFO)
labeled or two AIR IN
(AFI) labeled fan
modules.
024
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
EX4300-24T-S
4-port
10-Gigabit
Ethernet SFP+
uplink module
A 715 W AC power
supply with the AIR
OUT (AFO) label.
Two fan modules; each
with an AIR OUT (AFO)
label.
2424
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
EX4300-24P
5Copyright © 2017, Juniper Networks, Inc.
Chapter 1: System Overview

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