Juniper EX4550 - Locating the Chassis Serial Number ID Label on an EX4550 Switch; Locating the Serial Number ID Labels on Frus in an EX4550 Switch; Figure 74: Location of the Serial Number ID Label on an EX4550 Switch; Contacting Customer Support and Returning the Chassis or Components

Fan Tray Fan Module, Airflow Out
(AFO)
For information about the show chassis hardware command, see show chassis hardware.
Locating the Chassis Serial Number ID Label on an EX4550 Switch
The serial number ID label is located on the rear panel of an EX4550 switch. See
Figure 74 on page 235.
Figure 74: Location of the Serial Number ID Label on an EX4550 Switch
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SN: LX02YYWWSSSS
Locating the Serial Number ID Labels on FRUs in an EX4550 Switch
The power supplies, fan modules, expansion modules, and the Virtual Chassis module
installed in EX4550 switches are field-replaceable units (FRUs).
For each of these FRUs, you must remove the FRU from the switch chassis to see the
FRU’s serial number ID label.
235Copyright © 2015, Juniper Networks, Inc.
Chapter 23: Contacting Customer Support and Returning the Chassis or Components