3Com DIA3CV1100-02 manual 3Com Corporation 5400 Bayfront Plaza Santa Clara, California

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

Copyright © 1999, 3Com Corporation. 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 written 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, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, 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.

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 or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

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

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.

Portions of this documentation are reproduced in whole or in part with permission from (as appropriate).

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

3Com, the 3Com logo and SuperStack, are registered trademarks of 3Com Corporation. 3Com Facts is a service mark of 3Com Corporation.

MS Windows, and Windows NT are registered trademarks of Microsoft Corporation. All other company and product names may be trademarks of the respective companies with which they are associated.

Guide written by Ruth Zach and Ronald Schwarz. Illustrated by Pearl Goldberg and Ronald Schwarz. Produced by 3Com Corporation.

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Contents Visitor and Community Network Access Concentrator 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Page Download Software or Find Documentation VCN Access VCN Access Concentrator Front Panel Describes the front panel VCN AC indicators and connectors Précautions de Preparing the Site Inner wire pair carries both voice and digital date Outer wire pair carries only voice Punch-Down Block Without a Patch Panel VCN Access Point Rear Panel Repeat through for up to 24 telephone lines Installing the VCN Access Concentrator Mounting the VCN Access Concentrator 19-inch RackFitting a Bracket for Rack Mounting Back Panel Connections Front Panel Connections VCN ACIs P Line Cards in the VCN Access Concentrator Pin Assignment for the RJ-21 ConnectorFemale RJ-21 Connector VCN Access Concentrator Unit Installed Without a Patch Panel Sequence of Configuration Inserting MAC Addresses for VCN Access Concentrator PortsManual Procedures for SuperStack II 1100/3300 VCN AC Port and VCN AP MAC Addresses VCN AC Automated Procedures for SuperStack II 1100/3300 ConfApp screen appears Figure Entering the Switch Address Community Parameter Removing Wrong Address Proper Selection Power CordFor units installed in the USA and Canada Select a flexible Page Troubleshooting Problems LEDs to SolveVCN AC Port LED Indications following Post Page Product Specification Product Specification Index VCN AP Glossary MiniDIN MbaudMbps VacGlossary Glossary 3COM Corporation Limited Warranty Governing LAW EMC Statements