Preface
This guide contains all the information you need to get the 
This guide is organized as follows:
•Preface - Describes the manual’s organization and how to contact customer support.
•Chapter 1 – Provides an overview of the 
•Chapter 2 – Describes how to install and connect the 
•Chapter 3 – Explains how to configure the unit for the first time, access the Graphical User Interface, install Java Runtime Environment (JRE), and connect to the 
•Chapter 4 – Describes alternative port capabilities, including temperature/humidity sensors, 4800/5150 power control units, and using LX ports as alarm input and control output port points.
•Appendix A – Provides the electrical, environmental, and physical requirements for the LX- 4000 Series installation.
•Appendix B - Lists the factory default settings.
•Appendix C – Provides the error code definitions for the POST test error codes.
•Appendix D - Describes how to cable the 
Customer Support
Should you experience trouble with this equipment, please contact your MRV Americas Service and Support customer representative in the USA at 
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