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EX9253
Hardware manual
Juniper EX9253 Hardware Manual page 6
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:
Quick start manual
(14 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
Removing a DC Power Supply in an EX9253 Switch
| 127
Installing a DC Power Supply in an EX9253 Switch
| 129
Maintaining Power Supplies in EX9253 Switches
| 131
Maintaining the EX9253 Routing Engine
| 132
Removing a Routing Engine from an EX9253 Switch
| 132
Installing a Routing Engine in an EX9253 Switch
| 134
Maintaining the EX9253 Line Cards
| 136
Handling and Storing Line Cards
| 137
Holding a Line Card
| 137
Storing a Line Card
| 139
Maintaining Line Card Cables
| 140
Removing a Line Card from an EX9253 Switch
| 140
Installing a Line Card in an EX9253 Switch
| 143
Maintaining Transceivers
| 145
Remove a Transceiver
| 146
Install a Transceiver
| 148
Remove a QSFP28 Transceiver
| 151
Install a QSFP28 Transceiver
| 153
Maintain Fiber-Optic Cables
| 155
Connect a Fiber-Optic Cable
| 156
Disconnect a Fiber-Optic Cable
| 157
How to Handle Fiber-Optic Cables
| 157
5
Troubleshooting Hardware
Troubleshooting EX9253 Components
| 160
Troubleshooting the Cooling System in an EX9253 Switch
| 160
Troubleshooting the Power Supply in an EX9253 Switch
| 161
Troubleshooting Line Cards in an EX9253 Switch
| 163
vi
Table of
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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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