8820 Series Installation Guide
> Monitor the Switch
Extreme Networks, Inc. April 01, 2026
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Introduction to the Extreme 8820 Installation Guide
Text Conventions
Documentation and Training
Help and Support
Send Feedback
New in this Guide
Extreme 8820 Overview
Extreme 8820-40C Switch Features
Extreme 8820-80C Switch Features
Manage Your Switch
Fan Modules for Use with Your Switch
Extreme 8820-40C Fan Modules
Extreme 8820-80C Fan Modules
Power Supplies for Use with Your Switch
1600 W AC Power Supplies
1600 W DC Power Supplies
Site Preparation
Plan Your Site
Operating Environment Requirements
Meet Building and Electrical Codes
Set Up the Wiring Closet
Control the Temperature
Control the Humidity Level
Protect Your System from ESD (Electrostatic Discharge)
Rack Specifications and Recommendations
Mechanical Recommendations for the Rack
Ground the Rack
Provide Adequate Space for the Rack
Secure the Rack
Evaluate and Meet Cable Requirements
Label Cables and Keep Accurate Records
Install Cable
Handle Fiber Optic Cable
Cable Distances and Types
Use RJ45 Connector Jackets
Prevent Radio Frequency Interference (RFI)
Meet Power Requirements
Power Supply Requirements
Power Cord Requirements
UPS (Uninterruptible Power Supply) Requirements
Select a UPS
Calculate Volt-Amperage Requirements
Provide a Suitable UPS Transition Time
Follow Applicable Industry Standards
Install Your Switch
Safety Considerations for Installation
What You Will Need for the Installation
Attach Your Switch to a Rack or Cabinet
Install Optional Components
Install Internal Power Supplies
Connect Network Interface Cables
Turn on the Switch
Activate and Verify the Switch
Connect to a Management Console
Login for the First Time on Extreme OS ONE
Login for the First Time on Extreme SLX-OS
Monitor the Switch
System Status LEDs
RJ-45 Management Port LEDs
QSFP28 Port LEDs
Remove and Replace Components
Remove a Switch from a Rack
Remove a Switch from a Four-Post Rack
Remove a Switch from a Two-Post Rack
Replace Power Supplies
Power Supply Airflow Direction Requirements
Replace a Power Supply
Connect a DC Power Supply to a DC Power Source
Replace Fan Modules
Fan Airflow Direction Requirements
Replace a Fan Module
Change Airflow Direction
Technical Specifications
Extreme 8820 Technical Specifications
Fan and Acoustic Noise
Power Specifications
Mean Time Between Failures (MTBF)
CPU, Memory
1600 W Power Supply Technical Specifications
Standards
Environmental Standards
Power Cord Requirements for AC-Powered Switches and AC Power Supplies
Monitor the Switch
The following topics help you monitor the status of the switch as it is running.
Section contents:
System Status LEDs
RJ-45 Management Port LEDs
QSFP28 Port LEDs
