3com DUA1800-0AAA04 Owner's Manual

LINKBUILDER MSHCHASSIS USER GUIDEPart No. DUA1800-0AAA04Published September 1994Chassis.bk : FRONT Page 1 Monday, February 10, 1997 1:11 PM

1-2 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04Power is supplied to the chassis via one or two power supply units and the chassis is kept co

DUA1800-0AAA04RS232 Serial Port - Pin Assignments D-5RS232 Serial Port - Pin AssignmentsStatus Input ConnectorPin Number Signal Function1 Ground Prote

D-6 APPENDIX D: PIN AND CIRCUIT ASSIGNMENTSDUA1800-0AAA04Chassis.bk : APPENDD Page 6 Monday, February 10, 1997 1:11 PM

EORDERING INFORMATION Product NumbersChassis ComponentsMSH Chassis 3C18000MSH Chassis for FDDI 3C18001MSH Thermal Management Unit 3C18005MSH Display

E-2 APPENDIX E: ORDERING INFORMATIONDUA1800-0AAA04Ethernet ProductsECS to MSH Module Converter 3C18082Non-smart Secure 10Base-T Repeater Module 3C1811

DUA1800-0AAA04Product Numbers E-3Token Ring Products UTP Token Ring MAU (12 port, RJ45) 3C18200STP Token Ring MAU (12 port, RJ45) 3C18201RingBuilder M

E-4 APPENDIX E: ORDERING INFORMATIONDUA1800-0AAA04 Suppliers Please contact your supplier for the above items. In case of difficulty, 3Com will be pl

FTECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This appendix describes these ser-vices.On

F APPENDIX F: TECHNICAL SUPPORTDUA1800-0AAA04Ask3Com on CompuServeAsk3Com is a CompuServe-based service containing patches, software, drivers, and tec

DUA1800-0AAA043Com Documentation on CD-ROM F NetFacts provides data sheets and technical articles on 3Com Cor-poration’s hub, bridge, router, terminal

F APPENDIX F: TECHNICAL SUPPORTDUA1800-0AAA04Support from Your Network SupplierIf additional assistance is required, contact your network supplier. Ma

DUA1800-0AAA04The LinkBuilder MSH 1-31MSH Chassis - The 11-slot chassis that holds the backplane into which all components are installed. See The Chas

DUA1800-0AAA04Returning Products for Repair FReturning Products for RepairA product sent directly to 3Com for repair must first be assigned a Return M

F APPENDIX F: TECHNICAL SUPPORTDUA1800-0AAA04Chassis.bk : TSUPPORT Page 6 Monday, February 10, 1997 1:11 PM

INDEXNumerics3ComBBS3ComFactsAAsk3ComBbackplaneEthernetFDDILinkBuilder MSHselectiontoken ringblanking platesbracketsbulletin board systemCcable suppor

2INDEXDUA1800-0AAA04Llamps buttonLAN Security ArchitectureLCD panelLEDsfault diagnosistestingline cards. See modulesLinkBuilder ECS modulesinstallingr

INDEX3DUA1800-0AAA04Ssafetysafety informationserial port. See RS232 portsparesspot checksstoring user guidesTtechnical supportterminal server moduleth

4INDEXDUA1800-0AAA04Chassis.bk : CHASSIS.IX Page 4 Monday, February 10, 1997 1:11 PM

RADIO FREQUENCY INTERFERENCE STATEMENTSFCC StatementThis equipment has been tested with a class A computing device and has been found to comply with p

Reorient the receiving antenna. Relocate the equipment with respect to the receiver. Move the equipment away from the receiver. Plug the equipment in

LIMITED WARRANTYHARDWARE: 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, fo

WARRANTIES EXCLUSIVE: If a 3Com product does not operate as warranted above, Customer's sole remedy shall be repair, replacement, or refund of

1-4 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04Available to order, but not shown on Figure 1-1:The Cable Support Kit - Takes the weight of n

DUA1800-0AAA04The Chassis 1-5The BackplaneThe backplane provides the following services to the MSH: Ethernet support via a medium speed CSMA/CD bus To

1-6 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04ECS modules can connect to any of the three buses, however, you should note that an ECS modul

DUA1800-0AAA04The Chassis 1-7.Figure 1-3 Token ring backplane operationYou will find further information about this subject in Chapter 3, The Module

1-8 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04management port, a remote manager using Telnet or an SNMP management application such as one

DUA1800-0AAA04The Display Panel 1-9Power is supplied to the chassis via two IEC sockets (the top socket serves the left-hand PSU) on a fixed power inl

1-10 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04If you have a Management Module installed, you can access read-only information telling you

DUA1800-0AAA04Management Of The LinkBuilder MSH 1-11Management Of The LinkBuilder MSHYou are advised to install a LinkBuilder Management Module into t

3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8154© 3Com Ireland, 1994. All rights reserved. No part of this documentati

1-12 CHAPTER 1: WHAT IS THE LINKBUILDER MSH?DUA1800-0AAA04Chassis.bk : CHAPTER1 Page 12 Monday, February 10, 1997 1:11 PM

2INSTALLING THE LINKBUILDER MSHThis chapter provides: An overview of the steps needed to install the MSH Details of how to install the chassis Detai

2-2 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA043Install modules and a Management Module if you are using one, into the chassis, and check

DUA1800-0AAA04Introduction 2-3 If MSH chassis are mounted one above the other, there must be adequate space between them for cooling air to pass. When

2-4 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04There are two sets of holes on each side of the MSH chassis. These allow for fitting the mo

DUA1800-0AAA04Introduction 2-5The Locking BarThe MSH chassis is delivered with a locking bar fitted. Once the MSH is fully assembled and installed, yo

2-6 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04Assembling The LinkBuilder MSHWARNING: During installation and maintenance operations, the

DUA1800-0AAA04Safety Information 2-7 The minimum specifications for the flexible lead are: - No. 18 AWG - Type SV or SJ - 3-conductor The power lead m

2-8 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04 The Power Supply Unit And Power Inlet PanelWe recommend that you install two units. Furthe

DUA1800-0AAA04The Power Supply Unit And Power Inlet Panel 2-9Installing The Power Supply Unit We recommend that, if a single power supply unit is to b

CONTENTSABOUT THIS GUIDEAbout This Guide ixA Word About Safety ixSpecial Messages xHow to Use This Guide x1WHAT IS THE LINKBUILDER MSH?The LinkBuilder

2-10 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04supply unit is to be installed into the chassis, the blanking plate covering the remaining

DUA1800-0AAA04The Power Supply Unit And Power Inlet Panel 2-11Figure 2-4 Locking the PSU in positionChassis.bk : CHAPTER2 Page 11 Monday, February

2-12 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA046Simultaneously, press the ejector flaps firmly down into the closed position. See Figure

DUA1800-0AAA04The Power Supply Unit And Power Inlet Panel 2-13.Figure 2-5 Removing the PSUReplacing The Power Supply FusesTwo fuses are fitted in re

2-14 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04 6.3 x 32mm, ceramicReplace fuse ONCE only.If the unit

DUA1800-0AAA04The Display Panel 2-153Replace the cartridge into the power inlet panel and secure using the screwdriver.The Display PanelThe display pa

2-16 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA041Remove the three screws that secure the display panel to the MSH chassis.2Carefully disen

DUA1800-0AAA04The Thermal Management Unit 2-17ensure that the connection is good. The connector is keyed, so if necessary turn it around to make it fi

2-18 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04WARNING: You cannot replace individual fans in the thermal management unit. If failure of

DUA1800-0AAA04The Thermal Management Unit 2-19Removing The Thermal Management UnitRefer to Figure 2-8.The MSH does not have to be powered down before

The Cable Support Tray 2-20Completing The Installation 2-23Network Cabling 2-23Power-up The LinkBuilder MSH 2-23Storing The User Guides 2-243INSTALLIN

2-20 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04Figure 2-9 Removing/fitting filters1Remove the thermal management unit from the MSH chas

DUA1800-0AAA04The Thermal Management Unit 2-21connections. When fitted, the cable support tray also provides the correct clearance between chassis mou

2-22 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04the cable clip, so leaving them at the front of the chassis. Tighten the cable clip.Multip

DUA1800-0AAA04Completing The Installation 2-23Figure 2-11 Cables at the front of the MSHCompleting The InstallationComplete the installation by fitt

2-24 CHAPTER 2: INSTALLING THE LINKBUILDER MSHDUA1800-0AAA04Power-up The LinkBuilder MSHWhen you have completed all stages of installing the MSH as ou

DUA1800-0AAA04Storing The User Guides 2-25Figure 2-12 Putting the user guides into the holderChassis.bk : CHAPTER2 Page 25 Monday, February 10, 19

3INSTALLING MODULES INTO THE MSH CHASSISThis chapter provides: An introduction to Ethernet, token ring and FDDI modules A general overview for install

3-2 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04A Quick Check Before You Install ModulesAs mentioned before you can insert up to e

DUA1800-0AAA04Introduction 3-3Figure 3-1 Ethernet module functionsRepeater Interface. This interface allows the transfer of Ethernet packets, via t

3-4 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04 Resilient links can be set up. See Figure 3-2 below. A resilient link consists of

Fault Diagnosis Using The LEDs 5-4Obtaining Help 5-5ASTANDARDS USED IN THE DESIGNStandards and Approvals A-1Safety A-1Environmental A-1Electromagnetic

DUA1800-0AAA04Introduction 3-5Partitioning of a segment from the rest of the network will occur if the module detects thirty-two consecutive collision

3-6 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04 Firstly, each frame is examined for the destination address, and passed intact to

DUA1800-0AAA04Introduction 3-7whether a specified port on a module is connected to another MSH (Inter-repeater Link) or to an end-station. You will fi

3-8 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Figure 3-3 Using transceiver modulesModules for the ECS ChassisAlthough you may

DUA1800-0AAA04Introduction 3-9Local Bridge Modules. A local bridge module allows you to connect two Local Area Networks together to form an Extended

3-10 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Token Ring ModulesThe operation of 3Com token rings is described in Volume 3 of t

DUA1800-0AAA04Introduction 3-11A block of LEDs shows the status of each of the twelve lobes attached to the module. Another five LEDs provide informat

3-12 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04 The ability to allow any MAU or Bridge to be assembled into a ring, independent

DUA1800-0AAA04Introduction 3-13Token Ring BridgeThe 2 port token ring bridge connects between two rings and controls the traffic between the rings. Th

3-14 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Port ModulesTwo Port Modules are available: 4 port FDDI Fiber (MIC) Module 6 port

Ethernet Products E-2Token Ring Products E-3FDDI Products E-3 Suppliers E-4FTECHNICAL SUPPORTOn-line Technical Services F-13Com Bulletin Board Service

DUA1800-0AAA04Handling Modules 3-15user guide which came with your FDDI RingBuilder module for more details.LinkSwitch Expansion ModuleThe LinkSwitch

3-16 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Before You BeginBlanking PlatesThe MSH chassis is supplied with blanking plates t

DUA1800-0AAA04LinkBuilder MSH Modules 3-17Choosing Slots For ModulesAll slots in the MSH chassis have the same functionality and therefore you are not

3-18 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Installing/Removing A Module1Remove the locking bar from the front of the MSH cha

DUA1800-0AAA04LinkBuilder MSH Modules 3-19Figure 3-4 Locking the module into positionChassis.bk : CHAPTER3 Page 19 Monday, February 10, 1997 1:11

3-20 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Removing A Module1Warn all users who are likely to be affected. Remove all networ

DUA1800-0AAA04LinkBuilder ECS Modules 3-21LinkBuilder ECS ModulesWith the exception of the LinkBuilder ECS management modules (types 3C12030 and 3C120

3-22 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Figure 3-6 Setting the switch position on the converterFitting The ECS Module C

DUA1800-0AAA04LinkBuilder ECS Modules 3-23to which Bus the module is routed:Link set to LK1 - Module routed to Bus E1Link set to LK2 - Module routed t

3-24 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Figure 3-7 Fitting the converterInstalling The ECS Module Into The Chassis1Remo

ABOUT THIS GUIDEAbout This GuideThis guide is intended for use only by the following: the Network Administrator responsible for the management and ma

DUA1800-0AAA04LinkBuilder ECS Modules 3-255Make sure that the converter is securely fitted to the module. Engage the module into the slot, using just

3-26 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSISDUA1800-0AAA04Chassis.bk : CHAPTER3 Page 26 Monday, February 10, 1997 1:11 PM

4USING THE DISPLAY PANELThis chapter provides: An introduction to the display panel An interpretation of the LEDs and instructions for testing them S

4-2 CHAPTER 4: USING THE DISPLAY PANELDUA1800-0AAA04Figure 4-1 The display panel410111298765321Chassis.bk : CHAPTER4 Page 2 Monday, February 10, 1

DUA1800-0AAA04The Display Panel 4-31 RS232 Port - Used for out-of-band management. See The RS232 Serial Port on page 4-7.2 Reset Button - Used with th

4-4 CHAPTER 4: USING THE DISPLAY PANELDUA1800-0AAA04The LEDsThe LEDs located on the display panel are provided for two reasons: to assure you that the

DUA1800-0AAA04The LEDs 4-5 To diagnose problems related to module LEDs, you will need to refer to the module user guide Unless otherwise stated, the L

4-6 CHAPTER 4: USING THE DISPLAY PANELDUA1800-0AAA04Resetting The LinkBuilder MSH The display panel carries a facility for resetting the LinkBuilder M

DUA1800-0AAA04Management 4-7The RS232 Serial PortOut-of-band management can be implemented via the 25-way D-type RS232 port located on the left-hand s

4-8 CHAPTER 4: USING THE DISPLAY PANELDUA1800-0AAA04Chassis.bk : CHAPTER4 Page 8 Monday, February 10, 1997 1:11 PM

x ABOUT THIS GUIDEDUA1800-0AAA04Special MessagesA special format indicates notes, cautions, and warnings. These messages are defined as follows.Notes

5PROBLEM SOLVINGThis chapter explains: How to maintain the MSH in operation How to spot problems and solve them How to obtain advice if a problem per

5-2 CHAPTER 5: PROBLEM SOLVINGDUA1800-0AAA04SparesThe LinkBuilder MSH has been designed to provide resilience and reliability. It is good practice tha

DUA1800-0AAA04Spot Checks 5-3Management Module. Check that the Management Module is secure in position.If you discover a problem, refer to Fault Diag

5-4 CHAPTER 5: PROBLEM SOLVINGDUA1800-0AAA04Fault Diagnosis Using The LEDsTable 5-1 Fault diagnosis using the LEDs and corrective actionsLED Status

DUA1800-0AAA04Obtaining Help 5-5Obtaining HelpIf any of the MSH equipment fails to operate correctly and you cannot solve the problem yourself after f

5-6 CHAPTER 5: PROBLEM SOLVINGDUA1800-0AAA04Chassis.bk : CHAPTER5 Page 6 Monday, February 10, 1997 1:11 PM

ASTANDARDS USED IN THE DESIGN Standards and ApprovalsThe MSH chassis and its associated accessories have been designed to conform to the following sta

A-2 APPENDIX A: STANDARDS USED IN THE DESIGNDUA1800-0AAA04FunctionalISO 8802/3IEEE 802.3IEEE 802.5The standards applicable to the modules and the mana

BTECHNICAL SPECIFICATIONMSH Chassis - 3C18000 and 3C18001DimensionsHeight 400.5mm (15.8in)Width 436mm (17.2in)Depth 335mm (13.2in)Weight3C18000 Chassi

B-2 APPENDIX B: TECHNICAL SPECIFICATIONDUA1800-0AAA04Display Panel - 3C18006WeightDisplay Panel 190g (0.4lb)ElectricalConsumption 700mA (max) at +5V37

1WHAT IS THE LINKBUILDER MSH?This chapter introduces: The LinkBuilder MSH and the services it provides The modules A brief explanation of the displ

DUA1800-0AAA04525W Power Supply Unit - 3C18012 B-3525W Power Supply Unit - 3C18012WeightPSU 3300g (7.3lb)ElectricalMaximum Output Power 525WOutput Vol

B-4 APPENDIX B: TECHNICAL SPECIFICATIONDUA1800-0AAA04ECS - MSH Module Converter - 3C18082DimensionsHeight 137.0mm (5.4in)Depth 64.0mm (2.5in)WeightCon

CMSH POWER CONSUMPTION LIMITSCalculating Power ConsumptionIt is important that you calculate the total power consumption and total current consumption

C-2 APPENDIX C: MSH POWER CONSUMPTION LIMITSDUA1800-0AAA04Power consumption calculations must include the power used by the chassis and its components

DUA1800-0AAA04Calculating Power Consumption C-3If you have a 3C12010 ECS Coaxial module with a 3C18082 ECS-MSH converter installed in your MSH chassis

C-4 APPENDIX C: MSH POWER CONSUMPTION LIMITSDUA1800-0AAA04To calculate the actual total power consumption, W, use the total current values calculated

DPIN AND CIRCUIT ASSIGNMENTSEthernet RJ45 - Pin AssignmentsPin Number Signal Function1 TxData+ Transmit Data2 TxData- Transmit Data3 RxData+ Receive D

D-2 APPENDIX D: PIN AND CIRCUIT ASSIGNMENTSDUA1800-0AAA04 Ethernet Telco - Pin AssignmentsPort NumberTelco ConnectorPin NumberTelco SignalNameToRJ45Pi

DUA1800-0AAA04Ethernet Telco - Pin Assignments D-3MODULAR JACKCHANNEL NUMBERNoteThe TELCO used isa female connector26272829303132333435363738394041424

D-4 APPENDIX D: PIN AND CIRCUIT ASSIGNMENTSDUA1800-0AAA04 Token Ring RJ45 - Pin AssignmentsRing-In and Ring-Out Pin AssignmentsSignal Purpose R/I Pins