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3Com DUA3700-0BAA04 Troubleshooting, common problems. For information about troubleshooting, see

Models: DUA3700-0BAA04

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1-6CHAPTER 1: OVERVIEW

1-6CHAPTER 1: OVERVIEW

Troubleshooting	This manual contains a number of troubleshooting procedures for solving
	common problems. For information about troubleshooting, see
	Chapter 8.

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3Com DUA3700-0BAA04 manual Troubleshooting, common problems. For information about troubleshooting, see, Chapter, Overview

Contents

CoreBuilderTM 7000 Family ATM Switches Installation & Startup Guide Software Version 4.0 Base3Com Corporation 5400 Bayfront Plaza Santa Clara, California UNITED STATES GOVERNMENT LEGENDCONTENTS ABOUT THIS GUIDEOVERVIEW UNPACKING INSTRUCTIONS3 INSTALLING A COREBUILDER 7000 FAMILY ATM SWITCH 4 INSTALLING AND CONNECTING COREBUILDER MODULESSafety Precautions Vorsichtsmaßnahmen5 POWER-ON 6 CONFIGURING THE COREBUILDER 7000 FAMILY ATM SWITCH7 REDUNDANCY IN THE COREBUILDER 7000 FAMILY ATM SWITCH Setup Procedure Sections8 TROUBLESHOOTING A COREBUILDERTM 7000 FAMILY ATM SWITCH SPECIFICATIONSB SAFETY INFORMATION C SITE REQUIREMENTSE CABLING REQUIREMENTS INDEX 3COM CORPORATION LIMITED WARRANTYD TECHNICAL SUPPORT Page ABOUT THIS GUIDE Finding SpecificInformation in This GuideSETDefault !0 -IP NETaddr = ConventionsCommands CoreBuilder Family ATM Switch Documents CoreBuilder 7000 Family ATM Switches Installation and Startup GuideCoreBuilder 7000 Family ATM Switches User Guide DocumentationCoreBuilder 7000 Family ATM Switches User Guide CoreBuilder 7000 Family ATM Switches InstallationSuperStack II Switch 2700 Installation & Setup Guide CoreBuilder 7400 Ethernet/ATM Interface Card UserComments Documentationdocumentation more useful to you Please send e-mail comments about this guide toYear Compliancein Table Page Number if appropriateOVERVIEW CoreBuilder 7000 The CoreBuilder 7000 family ATM switches are modular Component Summaryswitch CoreB uilderInstalling the Family ATM SwitchSwitching Module Family ATM Switches User Guide for detailsStarting up the Family ATM SwitchCoreBuilder the stages shown in TableTroubleshooting common problems. For information about troubleshooting, seeChapter 1-6 CHAPTER 1 OVERVIEWUNPACKING INSTRUCTIONS Unpacking theassistance Family ATM SwitchFamily ATM Switches User Guide Check the packing slip for other items that you orderedFAMILY ATM SWITCH INSTALLING A CORE BUILDERSafety Precautions VorsichtsmaßnahmenMesures de sécurité Installation PreparationTable Top Distribution RackUnit and Rack for installationPreparation Family ATM Switch INSTALLING AND CONNECTING CORE BUILDER MODULESSafety Precautions 4-2 CHAPTER 4 INSTALLING AND CONNECTING COREBUILDER MODULESMesures de sécurité VorsichtsmaßnahmenPower Supply for Various Power Loads” on pageModule Supply ModuleSwitch Module Module 9 Connect cables to the appropriate ports redundancy RedundancyRedundancy General Description of the Procedure Procedure Execution Preparatory StepsSwitch Module Redundancy Setup The LECS ELAN database does not transfer automatically LANE Redundancy SetupVerifying LANE Redundancy Setup atmForumNetworkManagement atmLanEmulation elanMIB elanLecsGroup 4-Port Interface Module ATM Interface Daughter Cards4-14 CHAPTER 4 INSTALLING AND CONNECTING COREBUILDER MODULES Figure 4-4 E-3/DS-3 Daughter CardFigure 4-5 4-Port ATM Interface Module Connecting to switch to various network devicesFan Tray Network DevicesFour types of connections are required 4-18 CHAPTER 4 INSTALLING AND CONNECTING COREBUILDER MODULES HP#HFBR-2416TCSelecting a Power Cord Plugging in the Unit 4-Port Interface Module LEDs POWER-ONThis chapter includes the topics System States System Power-on System States System States andLEDs Switching ModuleRS232 service port link OK - should be System States5-4 CHAPTER 5 POWER-ON 4-Port Interface Module LEDsFigure 5-2 shows the 4-port interface module LEDs. Table 5-3 and Table 5-4 list the permanent 4-port interface module panel LEDsOn LOF is present for at least 5 sec. problems 5-6 CHAPTER 5 POWER-ONCONFIGURING THE 6 COREBUILDER 7000 FAMILY ATM SWITCH Logging in to the login screen appearsTo login to the LMA 1 Enter your access level default is admin 2 Enter your passwordIntegrated Fast SetupChassis-oriented Setup Full Setup Mode Switch Setup ModeChassis-wide vLANs 6-4 CHAPTER 6 CONFIGURING THE COREBUILDER 7000 FAMILY ATM SWITCHSections Setup Mode SelectionSetting Special Parameters Default Parameter Values The following message appears on the screen 9 FST Fast SetupTo begin the Integrated Fast Setup process, select the menu item The following example shows a typical LAN Emulation configuration Active LECS addr - user part 00.a0.3e.00.00.01.00 LECS Address --= Resident LECS User PartIn HEX 00.a0.3e.00.00.01.00Active LECS addr - net prefix 47.00.00.00.00.00.3c.00.00.a To configure the FastBUS Fast BUS Configuration = Fast BUS state 1-Enable, 0-Disable 0 To enter the interface type configuration 5 Repeat until you have specified all the IISP ports 6-14 CHAPTER 6 CONFIGURING THE COREBUILDER 7000 FAMILY ATM SWITCH LE Client Configuration -= The following shows a typical virtual network configuration Virtual Network Configuration Slot #3 IP address NMS address Default Gateway Subnet Mask Admin VN Management Configuration Section. In this section youAdmin VN Management Configuration = Switch IP address Saving the switch configuration Additional Switch Configurationthe CoreBuilder 7000 Family ATM Switches User Guide Configuring SVCsAdditional Switch Configuration Displays the physical layer statistics for a specified Storing and Retrieving Configuration Parameters Storing and Retrieving Configuration ParametersAll Configuration Data Platform Parameters ATM Addresses 1 Perform the LMA menu command Loading a Single Configuration Data Type Loading the “Other” Data Type 6-28 CHAPTER 6 CONFIGURING THE COREBUILDER 7000 FAMILY ATM SWITCH and Configuration Loading SoftwareData by Batch UtilitiesV35back.bat Method 1 - Shift “O” Method 2 - dbgoff.bat6-32 CHAPTER 6 CONFIGURING THE COREBUILDER 7000 FAMILY ATM SWITCH Types of Power Supplies REDUNDANCY IN THE 7 COREBUILDER 7000 FAMILY ATM SWITCHRedundant Power Supply Power Supply Operation Load SharingOverloading Redundant Power Supply CoreBuilder 74XX Ethernet/ATM Interface Card CoreBuilder 76XX Fast Ethernet Interface CardX CB7600T Fast Ethernet Interface Card supplies required if a redundant switch is installedX CB7600F Fast Ethernet Interface Card Other applications Providing Redundancy for Various Power LoadsATM Data Center with high-density Fast Ethernet Power Supply 90A AC Power Supply Specifications90A DC Power Supply Parameter7-8 CHAPTER 7 REDUNDANCY IN THE COREBUILDER 7000 FAMILY ATM SWITCH Redundant Switching Module Need for a Redundant Switching ModuleWhen the switch is booted When the switch configuration is changed Publishing the New MAC Address 7-12 CHAPTER 7 REDUNDANCY IN THE COREBUILDER 7000 FAMILY ATM SWITCH Recommended Action TROUBLESHOOTINGProblem Power Supply Troubleshootingfamily ATM switch power supply This section discusses common problems related to the CoreBuilderKontakte und verdecken Sie alle nicht benutzten Öffnungen Safety Precautions for Fiber Optics ConnectorsVermeiden Sie das Berühren aller Oberflächen nach dem Säubern der 8-4 CHAPTER 8 TROUBLESHOOTING ATM SWITCH SPECIFICATIONS CORE BUILDER TM 7000 FAMILYAC Line Frequency CoreBuilder Management and Interface Connectors Management - RJ-45 - Standard Ethernet connectorService - RS-232 - 9 pin D-type-standard DCE ATM port OC-3-SC connector Multimode fiberA-4 APPENDIX A COREBUILDERTM 7000 FAMILY ATM SWITCH SPECIFICATIONS SAFETY INFORMATION Bodily HarmKörperliche SchädenDommages corporelsléquipement ATM Switch, prendre les précautions suivantesDommage causé à B-4 APPENDIX B SAFETY INFORMATION SITE REQUIREMENTS RequirementsWiring Closet Power and HeatThermal Recom mendationsRequirements Assign wiring closet identification numbers using architecturalDistribution Rack The rack should be made of steel Online Technical ServicesTECHNICAL SUPPORT Access by Analog Modem 1 408 727 Access by Digital Modem1 408 654 D-4 APPENDIX D TECHNICAL SUPPORT From anywhere in S. Korea+31 030 6029900 phone Returning Products for RepairBefore you send a product directly to 3Com for repair, you must first 3Com without RMA numbers will be returned to the sender unopenedPage Installing New Cabling CABLING REQUIREMENTSAssign a unique identification number to each distribution rack ATM Cabling Dirt on the Fiber Optic LensComparing Fiber to Specifications Damaged Transceiver Due to Excessive Insertion ForceTable E-1 Standard Multi-mode Fiber Specification Example E-6 APPENDIX E CABLING REQUIREMENTSn MHz km / xkm = y MHz Table E-5 Link Loss Attenuation Calculation500 MHz km / 2 km = 250 MHz Category 2 based on FDDI information, no ATM specific information yet Mixed Fibers combination E-10 APPENDIX E CABLING REQUIREMENTSCoreBuilder 7000 Serial Port Signal Meaning9-pin Male 9-pin FemaleEthernet Cabling E-13 CoreBuilder 7000 Serial PortTo Modem Port 9-pin MaleE-14 APPENDIX E CABLING REQUIREMENTS INDEX NumbersPage Page Page Page 6 INDEX 3Com Corporation LIMITED WARRANTY YEAR 2000 WARRANTYOBTAINING WARRANTY SERVICE HARDWAREWARRANTIES EXCLUSIVE LIMITATION OF LIABILITYDISCLAIMER GOVERNING LAW