Prefacexiv DLE22-MA, DLE32-MA, DLE23-MA, and DLE33-MA User’s GuideChapter 4, Troubleshooting, details the DLE2X-MA and DLE3X-MALANVIEW LEDs that enable you to quickly diagnosenetwork/operational problems.Chapter 5, Local Management, describes how to access LocalManagement and use the Local Management screens to manage theDLE2X-MA and DLE3X-MA interface modules and the DLM6C-AAchassis.Appendix A, Specifications, contains information on functionality andoperating specifications, connector pinouts, environmental requirements,and physical properties.Appendix B, DELTX-UI, DELFX-UI and DELF3-UI Specifications,contains information about DELTX-UI pinouts and informationconcerning cable types used with the DELFX-UI and DELF3-UI.Appendix C, Mode Switch Bank Settings and Optional Installations,describes how to install optional Fast Ethernet Interface Modules and howto set the Mode Switches.DOCUMENT CONVENTIONSThroughout this guide, the following symbols are used to call attention toimportant information.Note symbol. Calls the reader’s attention to any item ofinformation that may be of special importance.! Caution symbol. Contains information essential to avoiddamage to the equipment.Electrical Hazard Warning symbol. Warns against an actionthat could result in personal injury or death due to an electricalhazard.