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Juniper EX4550 Hardware Guide

Juniper EX4550
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Do Not Install Components with Different Airflow in the Switch . . . . . . . . . . 38
Positioning the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Fan Module Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
AC Power Supply in EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
AC Power Supply LEDs in EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
DC Power Supply in EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
DC Power Supply LEDs in EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Dashboard for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Graphical Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
System Information Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Health Status Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Capacity Utilization Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Alarms Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Site Preparation Checklist for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 72
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Chassis Physical Specifications for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . 79
Rack Requirements for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Cabinet Requirements for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Clearance Requirements for Airflow and Hardware Maintenance for EX4550
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
AC Power Supply Specifications for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . 85
AC Power Cord Specifications for an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . 86
DC Power Supply Specifications for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . 88
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . 89
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 89
Copyright © 2015, Juniper Networks, Inc.iv
EX4550 Switch Hardware Guide

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Juniper EX4550 Specifications

Console Connection Settings IconConsole Connection Settings
baud rate9600
data bits8
stop bits1

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