3Com 52x, 32x manual Electromagnetic Compatibility Information

Page 2

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

Copyright © 3Com Corporation, 1997. 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 Unpublished rights reserved under the copyright laws of the United States.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, NETBuilder, and SuperStack are registered trademarks of 3Com Corporation. 3TECH is a trademark of 3Com Corporation. 3ComFacts is a service mark of 3Com Corporation.

CompuServe is a registered trademark of CompuServe, Inc. IBM is a registered trademark of International Business Machines Corporation. AppleTalk is a registered trademark of Apple Corporation. Banyan and VINES are registered trademarks of Banyan Systems. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company Limited. XNS is a trademark of Xerox Corporation. Siemens and EWSD are registered trademarks of Siemens Aktiengesellschaft. AT&T and 5ESS are registered trademarks of American Telephone and Telegraph. DMS is a registered trademark of Nothern Telecom Limited.

Other brand and product names may be registered trademarks or trademarks of their respective holders.

Guide written by Ramona Boersma. Edited by Amy Guzules. Technical illustration by Debra Knodel. Production by Ramona Boersma.

Electromagnetic Compatibility Information

Classes

Various national agencies (in the United States, The Federal Communications Commission (FCC)) govern the levels of electromagnetic emissions from digital devices. Electromagnetic emissions can interfere with radio and television transmission. To reduce the risk of harmful interference these agencies have established requirements for manufacturers of digital devices

The manufacturer of a digital device must test and label a product to inform an end-user of the maximum emission level from the product when used in accordance with its instructions. The emission levels encountered are classified as Class A or Class B. A system that meets the Class A requirement can be marketed for use in an industrial or a commercial area. A system that meets the more stringent Class B requirement can be marketed for use in a residential area in addition to an industrial or a commercial area.

The end user is generally held responsible for ensuring that his system is suitable for its environment as stated in the above paragraph and bears the financial responsibility for correcting any harmful interference.

ii

Image 2
Contents Models 32x Electromagnetic Compatibility Information Avis Canadien CE Notice Contents Connectors and Cables Removing the Cover Installing Memory Reinstalling the CoverIndex 3COM Corporation Limited Warranty Viii Icon Alerts you to About this GuideConventions Chapter about this Guide Equipment Installing the HardwareRequired 1Equipment Received and Equipment NeededFor more information on cables, refer to Chapter 1Rack-Mount Kit Contents Mounting4CHAPTER 1 Installing the Hardware Cabling Cabling the LAN Connector Models 323, 327, Cabling the Isdn Connector Model2Serial Connector Cabling Information Connector Connection to Mode Cable Name Sold by 3Com?Models 32x DTE mode Models 32x DCE-like modeModels 52x DTE mode Models 52x DCE-like modeSystem Redundant PowerAttaching a Terminal, or Connecting a PCCharacteristic Setting Modem12CHAPTER 1 Installing the Hardware Overview Model Features1SuperStack II NETBuilder Model Features Chassis PanelsPanels ModelLEDs Interrupt SwitchConnectors HardwarePC Cable 39-pin to 9-pin PC Cable Null Modem-TypeTerminal Cable 49-pin to 25-pin Terminal Cable Null Modem-TypeUTP Connector and Cable Modem Cable3STP Cable Types, MAUs, and Emissions Compliance STP Connector and Cable2UTP Cable Types, MAUs, and Emissions Compliance Shielded5Maximum Workstations on a Token Ring Network Cabling Standards4Auxiliary Pin Use Pinout STP Maximum CurrentTo V.35 DCE Cable 6V.35 Straight-Through CableTo V.35 Direct Connect Cable 7V.35 to V.35 Direct-Connect CableUniversal to V.35 Adapter Cable 8UNIVERSAL to V.35 Adapter CableUniversal to V.35 Direct Connect Cable 9UNIVERSAL to V.35 Direct Connect CableUniversal to RS-449/V.36 DCE Cable 10UNIVERSAL to V.36 Adapter CableUniversal to RS-449/V.36 Direct Connect Cable 11UNIVERSAL to RS-449/V.36 Direct-Connect CableUniversal to RS-232 DCE Cable 12UNIVERSAL to RS-232 DCE CableUniversal to RS-232 Direct Connect Cable Universal to RS-232 Direct-Connect CableRS-232 to RS-232 DCE Cable 14RS-232 Straight-Through CableRS-232 to RS-232 Direct Connect Cable 15RS-232 to RS-232 Direct-Connect CableUniversal to X.21 Adapter Cable 16UNIVERSAL to X.21 Adapter CablePin No Function Signal 6ISDN Cable PinoutsRelative Humidity Physical SpecificationsAltitude 22CHAPTER 2 Overview Upgrading Memory Removing the CoverDip switches should all be in the down position Reinstalling Cover 4CHAPTER 3 Upgrading Memory Troubleshooting System /FaultDuring the Test TroubleshootingPhase During the Load3LED Meanings Associated Model No ConnectorLED Meanings Call your network supplier for assistanceConnection Symptom Cause and ActionToken Ring This is Only station Canonical least significant bit first 0001 0101American Isdn BRI Services Provisioning Your Isdn LineIsdn Information Sheet 3Com SuperStack II Bridge/Router AT&T 5ESS NI1North American Switch Provisioning Tables AT&T 5ESSTable A-1Ordering Isdn Service for an AT&T 5ESS Switch Required InformationRequired Information Specification DN must be set as follows Parameter SettingTable A-3Ordering Isdn Service for a DMS 100 Switch Table A-4Ordering Isdn Service for a Siemens Ewsd Switch SPIDs8APPENDIX a Provisioning Your Isdn Line Isdn BRI Services Ordering German10APPENDIX a Provisioning Your Isdn Line Online Technical ServiceTechnical Support 3Com Bulletin Board408 654 Access by Analog ModemAccess by Digital Modem Country Data Rate Telephone NumberTelephone Country Number3Com Benelux B.V Country Telephone Number Fax Number Page Index NumericsSTP UTP Index 3Com Corporation Limited Warranty Limitation of Liability