SLX 9740 Installation Guide Setup, Configuration, and Best Pratices
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Technical Specifications
> Mean Time Between Failures
Extreme Networks, Inc. September 01, 2025
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Introduction to the SLX 9740 Installation Guide
Text Conventions
Documentation and Training
Help and Support
Send Feedback
New in this Guide
Overview
SLX 9740-40C Switch Features
SLX 9740-80C Switch Features
Manage Your Switch
Fan Modules for Use with Your Switch
Fan Modules
Power Supplies for Use with Your Switch
1600 W AC Power Supplies
1600 W DC Power Supply
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 the Switch to a Rack or Cabinet
Install Internal Power Supplies
Install Optional Components
Connect Network Interface Cables
Turn on the Switch
Activate and Verify the Switch
Establish a Serial Connection
Configure the Switch for Use
Transceivers and Cables
Supported Transceivers and Cables
Time and Items Required
Precautions Specific to Transceivers and Cables
Cleaning the Fiber-Optic Connectors
Managing Cables
Breakout Cables
Remove and Replace Components
Remove the Switch from a 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
Replace Transceivers
Monitor the Switch
System Status LEDs
1 Gb RJ-45 Management Port LEDs
QSFP28 Port LEDs
Technical Specifications
SLX 9740 Technical Specifications
Software Specifications
Acoustic Noise
CPU and Memory
Mean Time Between Failures
Power Specifications
Environmental
Standards
EMI/EMC Standards
Power Cord Requirements for AC-Powered Switches and AC Power Supplies
Safety and Regulatory Information
Considerations Before Installing
General Safety Precautions
Maintenance Safety
Cable Routing for LAN Systems
Install Power Supply Units and Connect Power
Select Power Supply Cords
Battery Notice
Regulatory Statements
CE statement
China and Taiwan: Restriction of Hazardous Substances (ROHS)
BSMI Statement (Taiwan)
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
Mean Time Between Failures
Table 1.
SLX 9740 Mean Time Between Failures (MTBF)
Switch
Mean Time Between Failures
SLX9740-40C-AC-F
189,747 hrs @ 25°C
SLX9740-80C-AC-F
131,836 hrs @ 25°C
SLX9740-40C-DC-F
189,747 hrs @ 25°C
