Table of Contents 
Copyright...................................................................................................................................................1 
Acknowledgments.....................................................................................................................................2 
About the User Guide & Helpful Resources ............................................................................................5 
About the Guide....................................................................................................................................5 
Helpful Resources .................................................................................................................................6 
Supplement Product Safety & Handling..................................................................................................8 
Chapter 1 About the ONYX Series System...........................................................................................11 
Product Highlights & Features............................................................................................................11 
System Layout & Design......................................................................................................................15 
Environmental Specifications..............................................................................................................24 
Additional Safety Precautions.............................................................................................................25 
Certifications.......................................................................................................................................25 
Chapter 2 Connection & Configuration Options..................................................................................26 
Connecting the System .......................................................................................................................26 
System Configuration Options............................................................................................................30 
Zoned Configurations..........................................................................................................................31 
Chapter 3 Installing the VDS41022 Expansion Enclosure Into a Rack .................................................33 
Installation Safety & Handling.............................................................................................................33 
Planning & Preparation.......................................................................................................................33 
Enclosure Rack Installation .................................................................................................................42 
Installing the Cable Management Assembly.......................................................................................53 
Chapter 4 Powering the ONYX Series System......................................................................................54 
Enclosure Power Overview .................................................................................................................54 
Controlling Enclosures Power .............................................................................................................56 
Chapter 5 Monitoring the VDS41022 EXPANSION Enclosure..............................................................59 
Front Operator Panel LEDs..................................................................................................................59 
LEDs Under the Top Cover of the Expansion Enclosure......................................................................61 
Enclosure Rear LEDs............................................................................................................................69 
Chapter 6 System Maintenance...........................................................................................................71 
Preparing for a Service Action.............................................................................................................71