Tesis

Note: Before using this information and the product it supports, be sure to read the safety information under “Safety Information” on page xiii and the general and emission notices in Appendix A.

Second Edition (April 1999)
This edition applies to Version 1.10 of IBM 10/100 Ethernet Stackable Hub 8245. Order publications through your IBM representative or the IBM branch office serving yourlocality. Publications are not stocked at the address given below. A form for readers’ comments appears at the back of this publication. If the form has been removed, address your comments to: Department CGF Design & Information Development IBM Corporation PO Box 12195 Research Triangle Park NC 27709-9990 USA When you send information to IBM, you grant IBM a nonexclusive right to use or distributethe information in any way it believes appropriate without incurring any obligation to you.

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Contents
About ThisManual ......................................................................................................................................................... xviii Who Should Read This Manual ...................................................................................................................................... xviii How This Manual Is Organized...................................................................................................................................... xviii Prerequisite Publication .................................................................................................................................................. xviii

Chapter 1. Introduction
Managed Models............................................................................................................................................................... 1-1 Manageable Models .......................................................................................................................................................... 1-2 Product Features................................................................................................................................................................ 1-3 Models 012 and 024 ................................................................................................................................................. 1-3 Models 112 and 124 ................................................................................................................................................. 1-3 FunctionalCharacteristics ................................................................................................................................................. 1-5 Status and Activity Indicators ........................................................................................................................................... 1-6 Control Panel............................................................................................................................................................ 1-7 Hub ID ...................................................................................................................................................................... 1-9 Control Keys............................................................................................................................................................. 1-9 Communication Ports ............................................................................................................................................... 1-9 Management Port ......................................................................................................................................................