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EX9253
Hardware manual
Table Of Contents - Juniper EX9253 Hardware Manual
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Quick start manual
(14 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Table of Contents
About This Guide
| ix
1
Overview
EX9253 System Overview
| 2
EX9253 Switch Hardware Overview
| 2
EX9253 Switch Configurations
| 7
EX9253 Switch Hardware and CLI Terminology Mapping
| 10
EX9253 Chassis
| 12
Chassis Physical Specifications of an EX9253 Switch
| 12
Field-Replaceable Units in an EX9253 Switch
| 13
Host Subsystem in an EX9253 Switch
| 15
Understanding EX9253 Switch Component and Functionality Redundancy
| 20
EX9253 Cooling System
| 21
EX9253 Power System
| 27
EX9253 Line Cards
| 34
EX9253-6Q12C Line Card
| 35
EX9253-6Q12C-M Line Card
| 41
2
Site Planning, Preparation, and Specifications
Site Preparation Checklist for an EX9253 Switch
| 48
EX9253 Site Guidelines and Requirements
| 50
Environmental Requirements and Specifications for an EX9253 Switch
| 50
General Site Guidelines
| 51
Site Electrical Wiring Guidelines
| 52
Clearance Requirements for Airflow and Hardware Maintenance for an EX9253 Switch
| 53
Rack and Cabinet Requirements for EX9253 Switches
| 54
iii
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Chapters
Table of Contents
3
Ex9253 Cooling System
30
AC Power Supply Description
36
Ex9253 Network Cable and Transceiver Planning/Pluggable Transceivers Supported on an Ex9253 Switch
66
Pinouts
76
Initial Installation and Configuration
81
Maintaining Components
118
Problem Description
169
Safety and Compliance Information
206
Table of Contents
Troubleshooting
Troubleshooting Hardware
168
Troubleshooting EX9253 Components
169
Troubleshooting the Power Supply in an EX9253 Switch
170
Troubleshooting Line Cards in an EX9253 Switch
172
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