ONline 17-Slot System Concentrator Installation and Operation Guide xiv
Structure of This Guide
This guide contains the following chapters:
Chapter 1, Introduction Introduces the p rincipal features of the ONline
System Concentrator and provides a front and rea r view of the unit.
Chapter 2, Installation and Troubleshooting Provide s illustrated
procedures for installing and verify ing the operation of the 17-Slot ONline
System Concentrator.
Chapter 3, Maintenance Describes how to o rder and replace
serviceable parts on the ONline Syste m Concentrator. These parts include
the power supply, backup power supply, and fan units.
Appendix A, Specificat ions Provides product dimens ions, power
requirements, and other specifica ti ons for the unit.
Appendix B, Slot Usage Char t Provides a chart to record informatio n
about which modules are insta lled in the 17 concentrator slots.
Appendix C - Technical Support Lists the various methods for
contacting the 3Com technica l support organization and for accessing
other product support services.
Index