Dell S4820T - Default Chapter; Table of Contents

Contents
1 About this Guide........................................................................................................5
Information Symbols and Warnings..................................................................................................... 5
Related Documents...............................................................................................................................6
2 The S4820T Switch...................................................................................................7
Introduction........................................................................................................................................... 7
Prerequisites.......................................................................................................................................... 8
Features................................................................................................................................................. 9
Physical Dimensions..............................................................................................................................9
Chassis Ports..........................................................................................................................................9
Determine System Status......................................................................................................................9
LED Displays........................................................................................................................................ 10
Orderable S4820T Components........................................................................................................ 12
3 Site Preparations..................................................................................................... 13
Site Selection....................................................................................................................................... 13
Cabinet Placement.............................................................................................................................. 13
Rack Mounting.....................................................................................................................................14
Grounding............................................................................................................................................14
Fans and Airflow.................................................................................................................................. 14
Power...................................................................................................................................................14
Storing Components........................................................................................................................... 15
4 Install the Hardware............................................................................................... 17
Unpacking the Switch..........................................................................................................................17
Install the Chassis................................................................................................................................ 18
Rack Mounting Safety Considerations................................................................................................18
Install the Dell ReadyRails System...................................................................................................... 19
Installing ReadyRails — Tool-less Method................................................................................... 20
Installing ReadyRails — Two-Post Flush-Mount Configuration.................................................. 21
Installing ReadyRails — Two-Post Center-Mount Configuration............................................... 23
Installing ReadyRails — Four-Post Threaded Configuration....................................................... 23
Attaching Switch Rails to the Switch and Mounting the Chassis...................................................... 25
Attaching the Ground Cable...............................................................................................................25
Installing the SFP+ and QSFP+ Optics...............................................................................................26
Removing QSFP+ Optics.................................................................................................................... 26
Important Points to Remember..........................................................................................................27
Splitting QSFP+ Ports to SFP+ or RJ-45 Ports...................................................................................27