3Com 5101T-FB-FC, 5101T-FB-SMA, 5101T-FB-ST manual Copyright Statement

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COPYRIGHT STATEMENT

ø1996 by 3Com Corporation. All rights reserved. The information contained herein is the exclusive and confidential property of 3Com Corporation. No part of this manual may be disclosed or reproduced in whole or in part without permission from 3Com Corporation.

Printed in the U.S.A.

TRADEMARKS

Because of the nature of this material, numerous hardware and software products are mentioned by name. In most, if not all cases, these product names are claimed as trademarks by the companies that manufacture the products. It is not our intent to claim these names or trademarks as our own.

The ONline logo, TriChannel, and Midnight are trademarks, and Ethermodem, ORnet, ONcore, and Chipcom are registered trademarks of 3Com Corporation.

Ethernet is a registered trademark of Xerox Corporation.

DEC, the digital logo, DELNI, DECnet, and VAX are trademarks of Digital Equipment Corporation.

IBM is a registered trademark of International Business Machines.

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Contents 10BASE-FB Transceiver Installation Guide Page VDE Class B Compliance Copyright Statement Table of Contents EEE Version Page Page Preface Intended AudienceThis guide is divided into five sections Transceiver Overview Transceiver Top PanelTransceiver Top Panel Transceiver DIP Switch Settings Switch Setting DescriptionTransceiver Front Panel Transceiver Front PanelTransceiver Rear Panel Fiber link transmit and receive SQE Test PortsTransceiver Rear Panel Alternate Collision Mode Transceiver LED DescriptionsHigh Power PWR SQE TestInstallation Half Step ModeSite Preparation and Placement Unpacking Procedures Verifying Transceiver Switch Settings Transceiver DIP Switch Default SettingsPage Page Connecting to Ethernet V2.0 and Ieee 802.3 Controllers Connecting to Ethernet V2.0 and Ieee 802.3 Repeaters Connecting Fiber Cables Connecting the AUI Cable Verifying Physical Link Operation To verify physical link operationTroubleshooting Status LEDPage Troubleshooting Using the Status LEDs LEDTroubleshooting Using the Status LEDs Troubleshooting Using the Status LEDs Troubleshooting Link Problems Troubleshooting System Problems Excessive CollisionsLate Collisions and Failure to Defer Miscellaneous Errors Signal Differences Transceiver CablesEEE VersionWire Sizes Transceiver Cable Wire Sizes Cable Type Signal Pair Power PairAUI Cable Pinout Chart Cable PinoutsCO-A Troubleshooting Transceiver Cables Symptoms of Faulty Transceiver CablesCauses of Fault Transceiver Cables Specifications Cable RecommendationsGeneral Specifications General SpecificationsOptical Interface Specifications Optical Interface SpecificationsTransmit Power Specifications Transmit PowerFiber Optic Cable Specifications Fiber Optic Cables CompatibilityAttachment Unit Interface Specifications AUI Specifications