Juniper EX4300 User Manual

Day One+

EX4300

IN THIS GUIDE

Step 1: Begin | 1

Step 2: Up and Running | 6

Step 3: Keep Going | 9

Step 1: Begin

IN THIS SECTION

Meet the EX4300 Line of Ethernet Switches | 1

Install the EX4300 | 2

Power On | 5

Meet the EX4300 Line of Ethernet Switches

The Juniper Networks®EX4300 Ethernet Switches are fixed-configuration platforms that can be deployed as standalone

systems or as part of a Virtual Chassis switching architecture. The EX4300 switches are available in 24-port, 32-port, and
48-port models, with or without PoE+, with AC or DC power supplies, and with different airflow directions. EX4300
switches also provide uplink ports and a slot for installing an optional uplink module.

PoE/PoE+ Ports10/100/1000BASE-T PortsModel

024EX4300-24T

2424EX4300-24P

2

PoE/PoE+ Ports10/100/1000BASE-T PortsModel

048EX4300-48T

4848EX4300-48P

EX4300-48MP

(plus 24 100/1000/2500/5000/10000BASE-T

ports)

4824

032 100/1000BASE-X portsEX4300-32F

In this guide, we show you how to install an AC-powered EX4300 switch with the fan modules and power supplies
preinstalled. If you need instructions for installing fans, power supplies, and optional uplink modules, see the EX4300

Switch Hardware Guide.

Install the EX4300

IN THIS SECTION

What’s in the Box? | 3

What Else Do I Need? | 3

Install the EX4300 Switch in a Two-Post Rack | 3

You can install the EX4300 switch on a table or desktop, on a wall, or in a two-post or four-post rack. The mounting kit
that ships in the box has the brackets you need to install the EX4300 switch in a two-post rack. We’ll walk you through
how to do that.

NOTE: If you want to install the switch on the wall or in a four-post rack, you’ll need to order separate mounting

kits. The four-post rack mount kit also has brackets for mounting the EX4300 switch in a recessed position in
the rack.

What’s in the Box?

EX4300 switch

•

An AC power cord appropriate for your geographical location

•

Two mounting brackets and eight mounting screws

•

An Ethernet cable with RJ-45 connectors attached and an RJ-45 to DB-9 serial port adapter

•

3

What Else Do I Need?

You’ll need to provide the following:

Four rack mount screws to secure the chassis to the rack

•

A number two Phillips (+) screwdriver

•

An electrostatic discharge (ESD) grounding strap

•

A management host such as a laptop or desktop PC

•

A serial-to-USB adapter (if your laptop or desktop PC doesn’t have a serial port)

•

Someone to help you secure the switch to the rack

•

Install the EX4300 Switch in a Two-Post Rack

1. Review General Safety Guidelines and Warnings

2. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end to a site ESD
point.

3. Attach the mounting brackets to the sides of the EX4300 switch using the eight screws and a screwdriver.