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EX9253
Hardware manual
Juniper EX9253 Hardware Manual page 8
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:
Quick start manual
(14 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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viii
Laser and LED Safety Guidelines and Warnings
| 213
Maintenance and Operational Safety Guidelines and Warnings
| 216
General Electrical Safety Guidelines and Warnings
| 222
Action to Take After an Electrical Accident
| 223
Prevention of Electrostatic Discharge Damage
| 224
AC Power Electrical Safety Guidelines
| 225
AC Power Disconnection Warning
| 226
DC Power Electrical Safety Guidelines
| 227
DC Power Disconnection Warning
| 228
DC Power Grounding Requirements and Warning
| 230
DC Power Wiring Sequence Warning
| 230
DC Power Wiring Terminations Warning
| 232
Multiple Power Supplies Disconnection Warning
| 233
TN Power Warning
| 234
Agency Approvals for EX9253 Switches
| 235
Compliance Statements for EMC Requirements for EX Series Switches
| 237
Compliance Statements for Acoustic Noise for EX Series Switches
| 242
Table of
Contents
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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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