Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Junos OS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Switch and Components Overview and Specifications
EX4500 Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EX4500 Switches Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EX4500 Switches First View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Intraconnect Module and Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . 5
Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Uplink Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
EX4500 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Identifying EX4500 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chassis Physical Specifications for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . 11
Front Panel of an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Rear Panel of an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
EX4500 Switch Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . 15
Component Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LCD Panel in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LCD Panel Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
LCD Panel Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chassis Status LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Field-Replaceable Units in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Network Port and Uplink Module Port LEDs in EX4500 Switches . . . . . . . . . . . . . 24
Management Port LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
AC Power Supply in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
AC Power Supply LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
DC Power Supply in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
DC Power Supply LEDs in EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Cooling System and Airflow in an EX4500 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 32
Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Airfow Direction in EX4500 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Front-to-Back Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
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Copyright © 2015, Juniper Networks, Inc.
Summary of Contents for EX4500-40F-BF
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