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Juniper EX4300 Hardware Guide

Juniper EX4300
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WARNING: Do not look directly into a fiber-optic transceiver or into the
ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables
connected to transceivers emit laser light that can damage your eyes.
Figure 79: Installing a Transceiver
1— Ejector lever
Related
Documentation
Removing a Transceiver on page 249
Connecting a Fiber-Optic Cable on page 197
Removing a Transceiver
The transceivers for Juniper Networks devices are hot-removable and hot-insertable
field-replaceable units (FRUs): You can remove and replace them without powering off
the device or disrupting device functions.
NOTE: After you remove a transceiver or when you change the media-type
configuration, wait for 6 seconds for the interface to display the operational
commands.
Before you begin removing a transceiver from a device, ensure that you have taken the
necessary precautions for safe handling of lasers (see “Laser and LED Safety Guidelines
and Warnings” on page 301).
Ensure that you have the following parts and tools available:
An antistatic bag or an antistatic mat
Rubber safety caps to cover the transceiver and fiber-optic cable connector
A dust cover to cover the port
Figure 80 on page 251 shows how to remove a QSFP+ transceiver. The procedure is the
same for all types of transceivers except the CFP transceivers.
249Copyright © 2017, Juniper Networks, Inc.
Chapter 18: Replacing Transceiver

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Juniper EX4300 Specifications

General IconGeneral
ModelEX4300
Virtual ChassisYes, up to 10 members
Layer 3 RoutingYes
10GBASE SFP+ Ports4
Jumbo Frames9216 bytes
MAC Address Table Size32, 000
Operating SystemJunos OS
Uplink Ports4 x 10GBASE SFP+
Power SupplyAC or DC options
Operating Temperature0°C to 45°C (32°F to 113°F)
Input Voltage100-240V AC
Operating Relative Humidity5 to 90% RH, non-condensing
Management OptionsCLI, Web UI, Junos Space
RedundancyYes, power supply and fans
Storage Temperature-40°F to 158°F (-40°C to 70°C)
Ports24 or 48

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