Juniper EX4300 Hardware Guide

uplink module, which has four SFP+ ports that can house four SFP+ transceivers, four
SFP transceivers, or a combination of four SFP+ and SFP transceivers.
Figure 5 on page 8 shows the front panel of a 48 port EX4300 switch.
Figure 5: Front Panel of a 48-Port EX4300 Switch
Figure 6 on page 8 shows the rear panel of an 48-port EX4300 switch with power
supplies and fan modules installed.
Figure 6: Rear Panel of a 48-Port EX4300 Switch
Table 5 on page 8 lists the 48-port EX4300 switch models and their components.
Table 5: Components in 48-Port EX4300 Switches
Supported Uplink
Module
Power Supply
Shipped by
DefaultFan Modules
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.
048
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
EX4300-48T
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.
048
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
EX4300-48T-S
Copyright © 2017, Juniper Networks, Inc.8
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