3Com CoreBuilder 5000 User Manual
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3Com CoreBuilder 5000 User Manual

3Com CoreBuilder 5000 User Manual

100base-tx workgroup fastmodule
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Document Number 17-00904-2
Published May 1997
CoreBuilder
100BASE-TX Workgroup
FastModule User Guide
5000
™

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  • Page 1 CoreBuilder ® 100BASE-TX Workgroup FastModule User Guide http://www.3com.com/ Document Number 17-00904-2 Published May 1997 5000 ™...
  • Page 2 95052-8145 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.
  • Page 3 NS/G/12345/J/100003 for indirect connection to the public telecommunication network. Trademarks Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com, Boundary Routing, CardFacts, EtherLink, LANplex, LANsentry, LinkBuilder, NETBuilder, NETBuilder II, NetFacts, Parallel Tasking, SmartAgent, TokenDisk, TokenLink, Transcend, TriChannel, and ViewBuilder are registered trademarks of 3Com Corporation.

  • Page 5: Table Of Contents

    ONTENTS BOUT UIDE Audience How to Use This Guide Conventions Related Documents 3Com Documents Reference Documents NTRODUCTION 100BASE-TX Workgroup FastModule Description 12-Port 100BASE-TX Workgroup FastModule 100BASE-TX Workgroup FastModule Features Managing 100BASE-TX Workgroup FastModules Determining Model Number 100BASE-TX Workgroup FastModules ESIGNING...
  • Page 6 Show Port Command Statistics-Gathering Process Monitor Command Gathering Repeater Statistics Through SNMP Show Counter Command 4-14 Module Status LED 4-14 Port Status and Activity LEDs Using the CoreBuilder 5000 Controller Module to Verify Bi-color LED Operation 4-17 4-11 4-12 4-14 4-17...
  • Page 7 Power Specifications Regulatory Compliance ECHNICAL UPPORT Online Technical Services World Wide Web Site 3Com Bulletin Board Service Access by Analog Modem Access by Digital Modem 3ComFacts Automated Fax Service 3ComForum on CompuServe Online Service Support From Your Network Supplier Support From 3Com Corporation...
  • Page 9 IGURES 1-1 CoreBuilder 5000 12-Port 100BASE-TX Workgroup FastModule Front Panel 2-1 Sample 100BASE-TX Workgroup FastModule Configuration 3-1 12-Port 100BASE-TX Workgroup FastModule DIP Switch Location 3-2 Installing a CoreBuilder 5000 Module 3-3 Opened and Closed Module Ejectors 4-1 12-Port 100BASE-TX Workgroup FastModule Faceplate...
  • Page 11 1-2 100BASE-TX Workgroup FastModules 2-1 Fast Ethernet Channel Assignment Effect on Backplane Channels 2-2 Network Connections 3-1 Quick Installation Checklist 3-2 Network Selection DIP Switch Settings 4-1 Repeater Statistics Description 4-2 12-Port 100BASE-TX Workgroup FastModule LED Interpretations 5-1 Module Status LED Troubleshooting...

  • Page 13: About This Guide

    This guide explains how to install 3Com CoreBuilder 5000 12-Port 100BASE-TX Workgroup FastModules, manage100BASE-TX Workgroup FastModules using the 3Com Management Module, and monitor network traffic. If the information in the release notes shipped with your product differs from the information in this guide, follow the release note instructions.

  • Page 14: Conventions

    BOUT UIDE Conventions The following tables list conventions used throughout this guide. Icon Convention “Enter” vs. “Type” Text represented as screen display Text represented as commands Italics Notice Type Alerts you to... Information note Important features or instructions Caution Risk of personal safety, system damage, or loss of data Warning Risk of severe personal injury...

  • Page 15: Related Documents

    CoreBuilder 5000 Integrated System Hub Installation and Operation Guide – Provides information on the installation, operation, and configuration of the CoreBuilder 5000 hub. This guide also describes the principal features of the CoreBuilder 5000 Fault-Tolerant Controller Module. CoreBuilder 5000 Distributed Management Module User Guide –...

  • Page 16: Reference Documents

    BOUT UIDE Reference Documents The following documents supply related background information: Almquist, P ., Type of Service in the Internet Protocol Suite, RFC 1349, July 1992. Case, J., Fedor, M., Scoffstall, M., and Davin, J., The Simple Network Management Protocol, RFC 1157, University of Tennessee at Knoxville, Performance Systems International and the MIT Laboratory for Computer Science, May 1990.

  • Page 17: Introduction

    This chapter describes the 3Com CoreBuilder 100BASE-TX Workgroup FastModule (Model Number 3C96512M-TX). This chapter contains the following sections about the 12-Port 100BASE-TX Workgroup FastModule: 100BASE-TX The CoreBuilder 5000 100BASE-TX Workgroup FastModule is a Workgroup high-speed module for the 3Com FastModule Hub.

  • Page 18: Port 100Base-Tx Workgroup Fastmodule

    12-Port 100BASE-TX Module status LED Port status LEDs RJ45 connectors (ports 1 to 4) RJ45 connectors (ports 5 to 8) RJ45 connectors (ports 9 to 12) 6512M-TX CoreBuilder 5000 12-Port 100BASE-TX Workgroup FastModule Front Panel...

  • Page 19: 100Base-Tx Workgroup Fastmodule Features

    Four Fast Ethernet Channels Fault Tolerance Remote Diagnostics Repeater Statistics Inventory Management Power Management Supports CoreBuilder 5000 power management Hot Swap Ability In-band and Out-of-band Management 100BASE-TX Workgroup FastModule Features lists the CoreBuilder 5000 12-Port 100BASE-TX Workgroup 100BASE-TX Workgroup FastModule Features...

  • Page 20: Managing 100Base-Tx Workgroup Fastmodules

    To access in-band management in a hub with all 100BASE-TX Workgroup FastModules, you must have another type of FastModule, SwitchModule, or 10BASE-T Ethernet module and network monitor card installed. Managing You can manage CoreBuilder 5000 100BASE-TX Workgroup 100BASE-TX FastModules using the DMM command line interface. Workgroup The DMM supports: FastModules You must use DMM software Version v4.1 or later to manage and...

  • Page 21: 100Base-Tx Workgroup Fastmodules

    100BASE-TX Table 1-2 describes the 100BASE-TX Workgroup FastModule. Workgroup FastModules Table 1-2 100BASE-TX Workgroup FastModules Model Number 3C96512M-TX (faceplate shows 6512M-TX) 100BASE-TX Workgroup FastModule Features Occupies Ports 1 slot 12 100BASE-TX ports with RJ-45 shielded connectors...

  • Page 23: Designing Your Network

    Implementing This section describes the following topics: 100BASE-TX FastModules in the Network This chapter describes how to use the CoreBuilder 5000 hub with the 12-Port 100BASE-TX Workgroup FastModule. Software You must have the 3Com Requirements Module (DMM) and the advanced DMM/Controller module software Version v4.1 or later to manage and configure 12-Port 100BASE-TX...

  • Page 24: Before Configuring Your Network

    ESIGNING ETWORK Network This section describes general rules for configuring a Fast Ethernet Configuration Rules network using twisted pair as the horizontal medium (connection to printers, computers). It also provides rules to ensure that your network configuration conforms to distance limitations imposed by Ethernet and networking equipment.

  • Page 25: Basic Network Rules

    CoreBuilder 5000 FastModule User Guide). Network Backplane Restrictions The CoreBuilder 5000 hub has capacity for four Fast Ethernet channels (FastChannels). When you use assign a FastModule backplane port to a CoreBuilder 5000 FastChannel, one or more backplane channels...

  • Page 26: Using Module Workgroups

    Because a managed CoreBuilder 5000 hub may contain as many as seventeen 12-Port 100BASE-TX FastModules, it is possible to configure your hub with a maximum of 17 workgroups or a maximum of 204 ports in a single workgroup.

  • Page 27: Setting Redundant Links

    Setting Redundant When you set up a redundant link between ports on CoreBuilder 5000 Links hubs, the resultant configuration prevents a network failure. This section describes how to set up redundancy between: Setting Redundancy To connect two links to two ports on one 12-Port 100BASE-TX...
  • Page 28 FastModule to Remote Diagnostic mode. This sets up the remote fault tolerance feature. Refer to the CoreBuilder 5000 Distributed Management Module User Guide for more information on setting redundancy between ports and refer to the CoreBuilder 5000 FastModule User Guide for detailed information on switching FastModules. Link failure Port partition...

  • Page 29: Making Network Connections

    FastModules in the CoreBuilder 5000 hub. FastModule A typical configuration for the 100BASE-TX Workgroup FastModule is Configuration when you have a CoreBuilder 5000 7-slot hub running several 12-port 100BASE-TX Workgroup FastModules with a 100BASE-TX/FX FastModule for a Fast Ethernet downlink connection over the backplane.
  • Page 30 ESIGNING ETWORK The 7-port 100BASE-FX/TX FastModule provides seven switched Fast Ethernet connections to any one of four CoreBuilder 5000 FastChannel backplane networks. When used in conjunction with other CoreBuilder 5000 FastModules, this FastModule lets you create backbone and floor configurations based on shared and switched Fast Ethernet and Ethernet.

  • Page 31: Installing The

    This chapter describes how to install the CoreBuilder 12-Port 100BASE-TX Workgroup FastModule. A quick start and reference guide for the 3Com Workgroup FastModule lists LED indicators, installation information, and other module information. This chapter contains the following sections: Read the precautionary procedures before unpacking the module.

  • Page 32: Unpacking Procedures

    5 Record the serial number of your 12-Port 100BASE-TX Workgroup FastModule. The Hub Planning Chart, located in the CoreBuilder 5000 reference binder, and the Module Planning Chart supplied with your module are provided for this purpose.

  • Page 33: Quick Installation

    Establish connections from the 12-port 100BASE-TX Workgroup Fastmodule to devices using the appropriate connectors and cabling. Verify LED status for normal operation. Refer to the CoreBuilder 5000 Integrated System Hub Installation and Operation Guide for details on hub power requirements. Chapter Quick Installation Chapter/Section...

  • Page 34: Setting Dip Switches

    SET DEVICE DIP_CONFIGURATION Switches command from the management module. If you do not have a CoreBuilder 5000 Distributed Management Module installed in your hub, your hub configuration defaults to the DIP switch settings on the module.

  • Page 35: Dip Switch Definition

    Switches 1 and 2 – Enable you to configure all ports to one of the Fast Ethernet backplane segments (Fast Ethernet 1 to Fast Ethernet 4). Switch 3 – No operation. Switch 4 – Enables you to configure all ports to one Isolate segment. Setting DIP Switches DIP switch...

  • Page 36: Default Dip Switch Settings

    Table 3-2 Network Selection Isolated By default, Switch 5 is set to NVRAM. When enabled, settings stored in NVRAM take precedence over DIP Switch settings 1 through 3. The DIP switch legend backplane connection as the channel selection (CH SEL). The channel setting and the network setting are the same.

  • Page 37: Installing The Module

    Installing the You do not need to power off the CoreBuilder 5000 hub to install or Module remove the 12-Port 100BASE-TX Workgroup FastModule. You can insert the module while the hub is operating (this is called a hot swap). To install a 12-Port 100BASE-TX Workgroup FastModule into the hub:...
  • Page 38 NSTALLING THE ODULE Figure 3-2 shows the installation of a CoreBuilder 5000 module (The module in the diagram is only a representation of a CoreBuilder 5000 module, not the 100BASE-TX module). Figure 3-2 Installing a CoreBuilder 5000 Module 5 Insert the module into the board guides at the top and bottom of the slot and slide it into the hub by pressing firmly at the top and bottom of the faceplate.
  • Page 39 6 Close the 12-Port 100BASE-TX Workgroup FastModule ejectors (Figure 3-3). Opened ejector Figure 3-3 Opened and Closed Module Ejectors 7 Using your fingers, fasten the spring-loaded screws on the front of the 12-Port 100BASE-TX Workgroup FastModule faceplate to the hub (do not overtighten).

  • Page 41: Module

    The following network management commands are used to configure the 12-Port 100BASE-TX Workgroup FastModule: For additional information on network management commands, refer to the CoreBuilder 5000 Distributed Management Module Commands Guide. ONFIGURING THE ™ 5000 12-Port 100BASE-TX Workgroup FastModule.

  • Page 42: Configuration Overview

    The CoreBuilder 5000 Distributed Management Module (DMM) and the Overview Advanced DMM/Controller Module provide network management for the CoreBuilder 5000 hub and its modules. Use network management commands, rather than the DIP switches, to configure the module. All of the DIP switch settings on the 12-Port 100BASE-TX Workgroup FastModule are ignored if an appropriate CoreBuilder 5000 Distributed Management Module (DMM Version v4.10 or later) is already installed...

  • Page 43: Enable/Disable/Shutdown Ports Command

    Enable/Disable/Shutdown Ports Command This command allows you to enable, disable, and shutdown each port on the 12-Port 100BASE-TX Workgroup FastModule. When a port is set to: Enable – It transmits to and receives data from the network to which the port is assigned. Disable –...

  • Page 44: Set Port Alert Filter Command

    Port 01.01 Alert Filter set to DISABLE Perform the SET ALERT PORT_UP_DOWN FILTER command on the DMM before you use the SET PORT ALERT_FILTER command on the module. For more information on this command, refer to the CoreBuilder 5000 Distributed Management Module Commands Guide. {slot.port} {NON_REMOTE_DIAGNOSTICS} Enable –...

  • Page 45: Network Selection

    Network Selection This command provides module-level configuration flexibility using the unique architecture of the CoreBuilder 5000 hub. You can assign the module to: Any of four Fast Ethernet backplane segments An Isolated segment Use the DIP switch settings on the 12-Port 100BASE-TX Workgroup FastModule to assign the module to network one through four or to the isolated segment.

  • Page 46: Showing Module Configurations

    ONFIGURING THE ODULE Showing Module You can display status information about the 12-Port 100BASE-TX Configurations Workgroup FastModule using the following network management commands: Show Module This command enables users to display both brief and verbose Command information about a particular module. Use the following command to display module information: SHOW MODULE{ slot.

  • Page 47: Gathering Repeater Statistics

    The following output is an example of the SHOW PORT VERBOSE command issued for port 2 on a 12-Port 100BASE-TX Workgroup FastModule installed in slot 10: CB5000> show port 10.2 verbose Port Display for Module 6512M-TX: Port ----- -------- ---------- ---------------- ------------- 10.02 ENABLED OKAY Alert Filter: Port Connector:...

  • Page 48: Monitor Command

    ONFIGURING THE ODULE Monitor Command This Monitor command: You cannot enter DMM commands while in Monitor mode. Use the following command to monitor repeater statistics: MONITOR {mm:ss} {REPEATER} {fast_ethernet_1..._4, isolated} The system-specified range of time for the polling interval is 00 to 30 minutes (mm) and 05 to 59 seconds (ss).
  • Page 49 This example monitors Fast_Ethernet_1 every 10 seconds: CB5000> monitor 00:10 repeater fast_ether_1 Repeater Statistics for FAST_ETHER_1 --------------------------------------------------------- ---------------------------------------------------------- Transmit Collisions Readable Frames Readable Octets Upper 32 Readable Octets 142 Runts FCS Errors Late Events Short Events Frame Too Long Very Long Events Alignment Errors Collisions Data Rate Mismatches...
  • Page 50 4-10 ONFIGURING THE ODULE Table 4-1 describes repeater statics. Table 4-1 Field Readable Frames Readable Octets Upper 32 Readable Octets Runts FCS Errors Late Events Short Events Frame Too Longs Very Long Events Alignment Errors Collisions Data Rate Mismatches Autopartition Count Isolates Symbol Errors Last Source Address...

  • Page 51: Gathering Repeater Statistics Through Snmp

    Protocol) requests for MIB objects that provide specific network management information (displays repeater port statistics defined in the MIB RFC 2108). You can also submit SNMP requests through 3Com network management applications such as Transcend LANsentry. (Transcend uses SNMP to retrieve statistics, monitor the networks, and manage modules and hubs.)

  • Page 52: Show Counter Command

    4-12 ONFIGURING THE ODULE Show Counter Command This command provides you with detailed information on repeater statistics at the time you enter the command. Use the following command to view repeater statistics: SHOW COUNTER REPEATER Use the following command to view statistics on an isolated network: SHOW COUNTER Use the following command to show network, module, and port-level repeater statistics:...
  • Page 53 Clear counter starts at the time you issued the Clear Counter command. For more information on repeater statistics, refer to the CoreBuilder 5000 Distributed Management Module User Guide. Gathering Repeater Statistics 689000 (display at the module level only)

  • Page 54: Monitoring The Front Panel

    4-14 ONFIGURING THE ODULE Monitoring the Use the LEDs on the front panel of the 12-Port 100BASE-TX Workgroup Front Panel FastModule to monitor the status of each port. The 12-Port 100BASE-TX Workgroup FastModule has one Module Status LED and 12 bicolor port activity and status LEDs. Module Status LED A single LED located at the top of the faceplate indicates the status of the module (see Figure 4-1).
  • Page 55 Figure 4-1 shows the location of the LEDs. Each LED indicates the state of a port as described in Table 6512M-TX Figure 4-1 12-Port 100BASE-TX Workgroup FastModule Faceplate Monitoring the Front Panel 4-2. Module status LED Port status LEDs RJ45 connectors (ports 1 to 4) RJ45 connectors (ports 5 to 8)
  • Page 56 4-16 ONFIGURING THE ODULE Table 4-2 Table 4-2 LED Name Module Status Port Activity/Status (Ports 1 to 12) There is no DMM LED to report 100BASE-TX Workgroup FastModule activity. describes the states of port LEDs. 12-Port 100BASE-TX Workgroup FastModule LED Interpretations Color State Green...

  • Page 57: Verifying Led And Network Operation

    Network Operation network operations. This section describes LED and Network verification for the 12-Port 100BASE-TX Workgroup FastModule, including: For more information on the DMM, refer to the CoreBuilder 5000 Distributed Management Module User Guide. Using the The CoreBuilder 5000 hub controller module is equipped with a LED CoreBuilder 5000 Test button on the front panel.

  • Page 58: Verifying Network Connections For The 12-Port 100Base-Tx

    4-18 ONFIGURING THE ODULE 4 If you have an Ethernet network monitor card assigned to a 10 MB Ethernet network on a module, the Module Status LED lights to indicate the network to which it is assigned. The following example illustrates the verification process. Verifying Network This section describes how to verify network connections for a Connections for the...

  • Page 59: Troubleshooting

    This chapter describes troubleshooting procedures for the 3Com CoreBuilder Information on troubleshooting can assist you in verifying the module operation. This chapter contains the following sections: Troubleshooting In certain situations, the module status LED may not light. Using the Module...

  • Page 60: Troubleshooting Using The Port Status Leds

    ROUBLESHOOTING Troubleshooting A blinking Port Status indicator signals a problem with a port or a link Using the Port connected to a port. Once a port detects a problem, you can further Status LEDs analyze the problem by counting the number of blinks. outlines possible causes and some solutions for troubleshooting the Port Status LEDs.

  • Page 61: Obtaining Technical Assistance

    Technical CoreBuilder 5000 100BASE-TX Workgroup FastModule by calling either Assistance your 3Com reseller or 3Com Technical Support. Be prepared to supply a representative with the following information: For instructions on contacting Technical Support for your product, refer to Appendix B,...

  • Page 63: Pecifications

    This appendix lists specifications for the CoreBuilder 100BASE-TX Workgroup FastModules and information on cables and connectors: Standard Protocol Table A-1 CoreBuilder 5000 100BASE-TX Workgroup FastModule. Table A-1 Cable Specifications Table A-2 PECIFICATIONS Standard Protocol Cable Specifications Environmental Specifications Mechanical Specifications...

  • Page 64: Environmental Specifications

    32 to 122 °F (0 to 50 °C) -40 to 151 °F (-40 to 66 °C) Less than 95%, non-condensing describes the dimensions and weight of the CoreBuilder 5000 Mechanical Specifications Dimensions 1.0" W x 10.275" L x 14.37" H...

  • Page 65: Regulatory Compliance

    Table A-6 Compliance hubs. Table A-6 Certification Safety Emissions lists the regulatory certifications for all CoreBuilder 5000 Regulatory Certifications Description UL 1950 CSA 22.2 Number 950 (for power supplies also CSA 234 Level 3) TUV, VDE EN 60950 CB Report Certificate to IEC 950...

  • Page 67: B Technical Support

    3Com provides access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, access 3Com Corporation’s World Wide Web site as described below. This appendix describes:...

  • Page 68: World Wide Web Site

    ECHNICAL UPPORT World Wide Web Site Access the latest networking information on 3Com Corporation’s World Wide Web site by entering our URL into your Internet browser: This service features news and information about 3Com products, customer service and support, 3Com Corporation’s latest news releases, NetAge Magazine, and more.

  • Page 69: 3Comfacts Automated Fax Service

    3Com Corporation’s interactive fax service, 3ComFacts Automated Fax sheets, technical articles, diagrams, and troubleshooting instructions on Service 3Com products 24 hours a day, 7 days a week. Call 3ComFacts using your Touch-Tone telephone using one of these international access numbers: Country Hong Kong U.K.

  • Page 70: Support From Your Network Supplier

    Support From Your If additional assistance is required, contact your network supplier. Network Supplier Several suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.

  • Page 71: Support From 3Com Corporation

    If you are unable to receive support from your network supplier, 3Com Corporation technical support contracts are available from 3Com. Contact your local 3Com sales office to locate your authorized service provider using one of the following numbers: Regional Sales Office...

  • Page 72: Returning Products For Repair

    ECHNICAL UPPORT Returning Products Before you send a product directly to 3Com for repair, you must first for Repair obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers are returned to the sender unopened, at the sender’s expense.

  • Page 73: Contacting 3Com Technical Publications

    Contacting 3Com If you have comments or questions on 3Com Technical Publications Technical documents, contact the Technical Publications group by fax at Publications (508) 229-1551. 02/06/97 Contacting 3Com Technical Publications...
  • Page 75 12-port 100BASE-TX FastModule configuring 4-15 faceplate module status LED port status LEDs procedures for handling 3Com Bulletin Board Service (3ComBBS) 3Com sales offices 3Com URL 3ComFacts 3ComForum 7-port 100BASE-FX/TX FastModule configuring with 4-16 Activity LEDs ALERT FILTER command...
  • Page 76 SET ALERT FILTER SET AUTO POLARITY setting redundancy setting remote diagnostics SHOW MODULE shutdown Manual audience Mechanical specifications MIBs 3Com reference documents Model number 3C96512M-TX determining Module installing Module statistics Module status LED 4-16 Monitor command description...
  • Page 77 Statistic types 4-16 Status LEDs troubleshooting Supporting documentation list Switchover port redundancy Technical assistance Technical support technical support 3Com URL bulletin board service fax service network suppliers product repair using CompuServe TELNET Troubleshooting module status LED port status LEDs technical assistance...
  • Page 79 XCLUSIVE ARRANTY 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller: Internetworking products...
  • Page 80 ATTEMPTS TO REPAIR OR MODIFY, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING, OR OTHER HAZARD. TO THE FULL EXTENT ALLOWED BY LAW, 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL,...

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