Extreme 8520 Series Hardware Installation Guide
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Published April 2023
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Preface
Audience
Conventions
Text Conventions
Terminology
Send Feedback
Help and Support
Documentation and Training
Extreme 8520 Series Overview
Management
Cooling
Power Supplies
8520-48Y Switch Features
8520-48XT Switch Features
Power Supplies for Use with Your Switch
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 the Switch
Safety Considerations for Installation
What You Will Need for the Installation
Attach the Switch to a Rack or Cabinet
Install Optional Components
Install Internal Power Supplies
Install a 750 W Internal AC Power Supply
Install a 750 W Internal DC Power Supply
Required Tools and Materials for Installing a 750 W DC Power Supply
Preparing the Cables for a 750 W DC Power Supply
Installing a 750 W DC Power Supply
Connecting the Ground Wire to a 750 W DC Power Supply
Connecting a 750 W DC Power Supply to the Source Voltage
Turn on the Switch
Connect Network Interface Cables
Activate and Verify the Switch
Establish a Serial Connection
Configure the Switch for Use
Remove and Replace Components
Replace Internal Power Supplies
Replace Fan Modules
Remove the Device from the Rack
Monitor the Switch
System Status LEDs
RJ-45 Management Port LEDs
SFP+/SFP28 Port LEDs for the 8520-48Y
1G/10G RJ45 Port LEDs for the 8520-48XT
QSFP28 Port LEDs
750 W AC Power Supply LEDs
750 W DC Power Supply LEDs
Technical Specifications
Software Specifications
Weights and Physical Dimensions
Acoustic Specifications
Fan Tray and Speed Variation
Power Consumption
Power and Heat Dissipation
Mean Time Between Failures
CPU, Memory Specifications
Standards
Environmental Data
750 W Power Supplies Technical Specifications
Power Cord Requirements for AC-Powered Switches and AC Power Supplies
Console Connector Pinouts
Safety Information
Considerations Before Installing
General Safety Precautions
Maintenance Safety
Fiber Optic Ports and Optical Safety
GBIC, SFP (Mini-GBIC), QSFP+, XENPAK, and XFP Regulatory Compliance
Cable Routing for LAN Systems
Install Power Supply Units and Connect Power
Select Power Supply Cords
Battery Notice
Battery Warning - Taiwan
Regulatory Information
CE statement
EMC Warnings
China and Taiwan: Restriction of Hazardous Substances (ROHS)
Canadian requirements
China CCC statement
Australia (RCM)
Federal Communications Commission (FCC) Notice
Germany statement
KCC statement (Republic of Korea)
Japan (VCCI Class A)
Japan power cord
EMC Warnings
Taiwan BSMI Warning
China CQC Warning
