Table of Contents
Installing Optional Components.........................................................................................................................78
Turn on the Switch....................................................................................................................................................80
Replacing Fan Modules.................................................................................................... 121
Pre-Installation Requirements............................................................................................................................. 121
Airflow Direction Requirements......................................................................................................................... 121
Replacing a Fan Module........................................................................................................................................122
Monitoring the Device..................................................................................................... 124
5520 Series Switch LEDs......................................................................................................................................124
Pluggable Transceiver Modules..................................................................................................................79
Optical Cables.....................................................................................................................................................79
Port LEDs in SPD Mode................................................................................................................................ 125
ExtremeSwitching 5520 Series Hardware Installation Guide
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