Juniper EX4300 Series User Manual

Table of Contents
About This Guide | x
1
Overview
EX4300 System Overview | 2
EX4300 Switches Hardware Overview | 2
EX4300 Switch Models | 29
Idenfying EX4300 Switch Models | 42
EX4300 Switch Hardware and CLI Terminology Mapping | 44
Chassis Physical Specicaons for EX4300 Switches | 50
Field-Replaceable Units in EX4300 Switches | 52
EX4300 Chassis | 53
LCD Panel in EX4300 Switches | 54
Uplink Modules in EX4300 Switches | 59
Chassis Status LEDs on EX4300 Switches | 69
Management Port LEDs on EX4300 Switches | 72
Network Port, Built-In QSFP+ Port, Uplink Port, and Uplink Module Port LEDs on EX4300
Switches | 74
Cooling System and Airow in an EX4300 Switch | 82
EX4300 Power System | 90
AC Power Supply in EX4300 Switches | 91
AC Power Supply Specicaons for EX4300 Switches | 103
AC Power Cord Specicaons for an EX4300 Switch | 105
AC Power Supply LEDs in EX4300 Switches | 111
DC Power Supply in EX4300 Switches | 112
DC Power Supply Specicaons for EX4300 Switches | 118
iii

Juniper EX4300 Series Specifications

General

Product Series	EX4300 Series
Power Consumption	Varies by model and configuration
Virtual Chassis Technology	Up to 10 switches
Software	Junos OS
Ports	24-port and 48-port models
10GBASE SFP+ Ports	Up to 8 ports
40GBASE QSFP+ Ports	2
Uplink Ports	Up to 4 ports
Jumbo Frames	Up to 9216 bytes
Operating Temperature	0°C to 45°C
Relative Humidity	5% to 90% noncondensing
Input Voltage	100 to 240V AC
Power Supply	AC or DC
Power Supply Options	AC or DC
Stacking	Yes
Layer 2 Features	Includes VLAN, STP, RSTP, MSTP, LACP
Layer 3 Features	OSPF, BGP
Management	CLI, Web GUI, SNMP
Security Features	DHCP snooping
QoS	8 queues per port, DSCP
Storage Temperature	-40°C to 70°C