Juniper EX4300 Hardware Guide

List of Tables
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: Components in 24-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 4: Components in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5: Components in 48-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 6: Uplink Modules for 24-Port and 48-Port EX4300 Switches . . . . . . . . . . 10
Table 7: Uplink Modules for 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 10
Table 8: Airflow Direction in Power Supplies for EX4300 Switches . . . . . . . . . . . . 11
Table 9: EX4300 Switch Models, Shipped Components, and Supported Junos
OS Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 10: CLI Equivalents of Terms Used in the Documentation for EX4300
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 11: Physical Specifications of the EX4300 Switch Chassis . . . . . . . . . . . . . . 25
Table 12: LCD Panel Menu Options in EX4300 Switches . . . . . . . . . . . . . . . . . . . . 30
Table 13: Uplink Modules in 24-Port and 48-Port EX4300 Switches . . . . . . . . . . . 32
Table 14: Uplink Modules in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . . . . . . 32
Table 15: Uplink Modules Used in 24-Port and 48-Port EX4300 Switches . . . . . . 33
Table 16: Uplink Modules Used in 32-Port EX4300 Switches . . . . . . . . . . . . . . . . 34
Table 17: Chassis Status LEDs on an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . 37
Table 18: Link/Activity LED on the Management Port on an EX4300 Switch . . . . 38
Table 19: Status LED on the Management Port on an EX4300 Switch . . . . . . . . . 38
Table 20: Link/Activity LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 21: Status LED on 10/100/1000BASE-T Ethernet Network Ports and SFP
Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 22: Status LED on SFP+ Uplink Ports and SFP+ Uplink Module Ports . . . . . 41
Table 23: Status LED on QSFP+ Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 24: Fan Modules in EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Table 25: Airflow Direction in EX4300 Switch Models . . . . . . . . . . . . . . . . . . . . . . 44
Table 26: Fan Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 27: Details of the AC Power Supplies in EX4300 Switches . . . . . . . . . . . . . 50
Table 28: Airflow Direction in AC Power Supply Models for EX4300 Switches . . . 51
xiiiCopyright © 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