3Com 100 TX manual 3Com Corporation 5400 Bayfront Plaza Santa Clara, California

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3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145

© 3Com Corporation, 1996. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty of any kind, either implied or expressed, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

UNITED STATES GOVERNMENT LEGENDS:

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following restricted rights:

For units of the Department of Defense:

Restricted Rights Legend: Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) for restricted Rights in Technical Data and Computer Software clause at 48 C.F.R. 52.227-7013. 3Com Corporation, 5400 Bayfront Plaza, Santa Clara, California 95052-8145.

For civilian agencies:

Restricted Rights Legend: Use, reproduction or disclosure is subject to restrictions set forth in subparagraph (a) through (d) of the Commercial Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and the limitations set forth in 3Com Corporation’s standard commercial agreement for the software. Unpublished rights reserved under the copyright laws of the United States.

If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com, LinkBuilder, and EtherLink are registered trademarks of 3Com Corporation. 3TECH, FMS, and SuperStack are trademarks of 3Com Corporation. 3ComFacts is a service mark of 3Com Corporation. CompuServe is a trademark of CompuServe, Incorporated.

Other brand and product names may be registered trademarks or trademarks of their respective holders. 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

Guide written by John Jeter. Edited by Nancy Kurahashi. Technical illustration by Tim Buckreus. Production by Becky Whitmer.

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Contents FMS 100-TX HUB 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Glossary Cispr a Compliance Page Figures Tables Port LEDs Hub Operation LEDsIntroduction How to Use ThisAbout this Guide GuideConventions Description IntroductionGeneral Front Panel of LinkBuilder FMS 100-TX Hub Only one Management Unit can be attached to each stack Harming the network Hub InstallingUnpacking Positioning Attaching a Bracket for Rack Mounting Installing a Hub Stack in a Rack Interface Modules InstallingTransceiver 100BASE-TX Redundant UsingPower System Connecting the Redundant Power System to Four Hubs Opening the Fuse-holder in the AC Receptacle Assembly Removing the Fuse Aking FMS 100-TX H UB ConnectionsTwisted-pair Cable Server RJ-45 Connector Pin Assignments Down expansion port UP expansion port Connecting a Hub Stack to a Management Unit Connecting Hubs to the Network Backbone Multisegmented ConsiderationsFor NetworksLinkBuilder FMS Classification RepeatersClass II Hubs LED FAN Fail Power-Up Disabled Option Switch EnabledPage Cabling Requirements Interface ModuleCabling Connecting the Hub in a Network Span of 260.8 Meters Using an Internetworking Device to Extend the Network Span Specifications Page Services On-line TechnicalAccess by Isdn Supplier Support fromYour Network To find your authorized service provider 3ComGlossary FMS Flexible Media Stack Com’s family of stackable hubs Glossary Glossary Index NumericsInstalling hub Desktop placement 2-5 positioning Index Page Limited Warranty FCC Class a Verification Statement Page Page Page Page Reader Comment Form Business Reply Mail