Remove a Member Switch and Make Its Member ID Available for
Reassignment to a Different Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Chapter 22 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . . 213
Connecting a Virtual Chassis Cable to an EX4200 Switch . . . . . . . . . . . . . . . . . . 213
Disconnecting a Virtual Chassis Cable from an EX4200 Switch . . . . . . . . . . . . . 214
Chapter 23 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Returning an EX4200 Switch or Component for Repair or Replacement . . . . . . . 217
Locating the Serial Number on an EX4200 Switch or Component . . . . . . . . . . . 218
Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 218
Locating the Chassis Serial Number ID Label on an EX4200 Switch . . . . . . 218
Locating the Serial Number ID Labels on FRUs in an EX4200 Switch . . . . . 219
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 219
Packing an EX4200 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . 220
Packing an EX4200 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Packing EX4200 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . . 221
Part 5 Troubleshooting
Chapter 24 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . 225
Chassis Component Alarm Conditions on EX4200 Switches . . . . . . . . . . . . . . . 226
Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . 231
Monitoring System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Chapter 25 Troubleshooting Switch Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Troubleshooting Network Interfaces on EX4200 Switches . . . . . . . . . . . . . . . . . 237
The interface on the port in which an SFP or SFP+ transceiver is installed is
down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Troubleshooting Virtual Chassis Port Connectivity on an EX4200 Switch . . . . . 238
Virtual Chassis port (VCP) connection does not work . . . . . . . . . . . . . . . . . 238
Troubleshooting Power Supply Installation Alarms on EX4200 Switches . . . . . 238
The Switch Displays the “Unsupported PSU” Alarm . . . . . . . . . . . . . . . . . . . 239
Part 6 Safety and Compliance Information
Chapter 26 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Chapter 27 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Chapter 28 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 251
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
viiCopyright © 2017, Juniper Networks, Inc.
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