3Com EISA 10/100BASE-T User Manual
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3Com EISA 10/100BASE-T User Manual

3Com EISA 10/100BASE-T User Manual

Fast etherlink‚ parallel tasking‚ eisa 10/100base-t network adapter
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Part No. 09-0654-001
Published October 1995
F
E
AST
THER
P
ARALLEL
EISA 10/100BASE-T
N
ETWORK
U
G
SER
A member of the 3Com Fast EtherLink family
of adapters
L
INK
T
ASKING
A
DAPTER
UIDE
â
â

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  • Page 1 ® Part No. 09-0654-001 Published October 1995 THER ARALLEL EISA 10/100BASE-T ETWORK UIDE A member of the 3Com Fast EtherLink family of adapters â â ASKING DAPTER...
  • Page 2 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.

  • Page 3: Warranty

    FDDILink , and 3Com Impact have a Lifetime Warranty. To ensure the very best 3Com service and support, take the time to complete the product registration card. Any defective 3Com adapter will be repaired or replaced, at 3Com’s option, for as long as the adapter...
  • Page 4 Customers in other non-U.S. locations should send the registration card to the U.S. address on the front of the card. Asia 3Com Asia Ltd., Marketing Department Room 2506-07, 25/F., Citibank Tower Citibank Plaza, Central Hong Kong...

  • Page 5: Table Of Contents

    ONTENTS BOUT Introduction 1 How to Use This Guide 1 Conventions 2 NTRODUCTION Adapter Features 1-1 NSTALLING THE Inspecting the Adapter 2-2 Installing the Boot PROM 2-2 Inserting the Fast EtherLink EISA Adapter 2-2 Confirming Adapter Installation 2-4 Connecting to the Network 2-5 Auto Select Media Type 2-7 ONFIGURING THE EtherDisk Diskette 3-2...
  • Page 6 OADING ETWORK Locating the Network Drivers 4-2 Accessing DOS 4-2 Loading NetWare ODI Drivers 4-3 One EISA Adapter in a Client 4-3 AutoLink Requirements 4-4 AutoLink Installation 4-4 Multiple EISA Adapters in a Client 4-7 Finding the Adapter’s Slot Number 4-9 One EISA Adapter in a Server 4-10 NetWare Driver Installation 4-10 Multiple EISA Adapters in a Server 4-11...
  • Page 7 RJ-45 Connector Pin Assignments A-2 Cabling Requirements A-2 ECHNICAL UPPORT On-line Technical Services B-1 3Com Bulletin Board Service B-1 Access by Modem B-1 World Wide Web Site B-2 ThreeComForum on CompuServe B-2 3ComFacts Automated Fax Service B-2 Support from Your Network Supplier B-3...
  • Page 8 IGURES 1-1 Procedure Overview 1-2 2-1 Hardware Installation Overview 2-1 2-2 Computer with PCI and EISA Slots 2-3 2-3 Connecting Twisted-Pair Cable 2-5 3-1 Adapter Configuration Overview 3-1 3-2 Auto Installation Screen 3-7 3-3 Main Menu 3-7 3-4 Multiple Adapter Option Configuration 3-9 3-5 Changing Adapter Options 3-9 4-1 Overview of Loading Network Drivers 4-1 4-2 Auto Installation Information Screen 4-6...
  • Page 9 ABLES 1 Text Conventions 2 2 Notice Icons 2 3-1 Software Configuration Options 3-5 4-1 Accessing DOS from Other Operating Systems 4-3 5-1 Non-Bus Master Adapter and Diagnostic Program Names 5-7 5-2 Fast EtherLink EISA Adapter LEDs 5-11...

  • Page 10: About This Guide

    Procedures for changing default configuration settings after initial configuration Instructions for loading network drivers Details on troubleshooting and the diagnostic tests Information about technical specifications, connector pin assignments, and cabling requirements 3Com technical support information BOUT â Fast EtherLink Parallel Tasking UIDE â...

  • Page 11: Conventions

    BOUT UIDE Conventions The following tables list text and icon conventions that are used throughout this guide: Table 1 Text Conventions Convention Description Text represented as This typeface is used to represent displays that appear on your terminal screen, for example: screen display NetLogin: Text represented as...

  • Page 12: Introduction

    NTRODUCTION â â â The 3Com Fast EtherLink Parallel Tasking 10/100BASE-T EISA adapter (3C597-TX) is a 32-bit adapter for use in personal computers with an Extended Industry Standard Architecture (EISA) computer bus. In this guide the adapter is referred to as the Fast EtherLink EISA adapter.

  • Page 13: Procedure Overview

    1: I HAPTER NTRODUCTION Automatic EISA configuration without jumpers Three status LEDs Single shielded RJ-45 connector for use at either speed (Category 3, 4, or 5 UTP cabling for 10BASE-T Ethernet networks, and Category 5 UTP for 100BASE-TX Fast Ethernet networks) Diagnostic software and drivers on the 3C59X EtherDisk diskette The Fast EtherLink EISA adapter can be managed remotely...

  • Page 14: Installing The Hardware

    NSTALLING THE This chapter describes how to install the Fast EtherLink EISA adapter in your computer and connect it to a network. An overview of these procedures is shown in Figure 2-1. Inspect the adapter. Install the boot PROM. (optional) Insert the adapter.

  • Page 15: Inspecting The Adapter

    1 Open the shipping container and carefully remove its contents. The package should contain the following items: 3Com Fast EtherLink Parallel Tasking EISA 10/100BASE-T adapter Fast EtherLink Parallel Tasking EISA 10/100BASE-T Network...

  • Page 16: Computer With Pci And Eisa Slots

    Inserting the Fast EtherLink EISA Adapter 2 Remove all jewelry from your hands and wrists. 3 Use only insulated or nonconductive tools. 4 Remove the computer’s cover and select any of the available EISA expansion slots. 5 Insert the adapter in the slot and secure the screw. If you have a computer with slots other than EISA slots, be sure to install the Fast EtherLink EISA adapter only in an EISA slot.

  • Page 17: Confirming Adapter Installation

    The System Properties box appears, detailing your system setup. 4 Click the Device Manager tab. A list of devices appears, arranged by type. 5 Click the Network Adapters tab. The name of the installed 3Com adapter appears, as shown below: 3Com Fast EtherLink 10/100Mb Bus-Master EISA Ethernet Adapter This confirms the adapter’s installation.

  • Page 18: Connecting To The Network

    Connecting to the Network This section describes how to connect 10 Mbps or 100 Mbps network cables to the Fast EtherLink EISA adapter. You must connect the adapter to the network before loading drivers. The backplate of the Fast EtherLink EISA adapter contains one RJ-45 connector.
  • Page 19 2: I HAPTER NSTALLING THE The Fast EtherLink EISA adapter uses an on-board transceiver with twisted-pair cable. To establish a valid 10 Mbps connection, the cable must be connected to a 10BASE-T hub. To establish a valid 100 Mbps connection, the cable must be connected to a 100BASE-TX hub.

  • Page 20: Auto Select Media Type

    Auto Select Media Type Auto Select Media Type The Auto Select Media Type function is implemented by all drivers contained on the 3C59X EtherDisk diskette supplied with the 3C597-TX EISA adapter. This includes NetWare ODI drivers and NDIS 2.01 drivers. It also includes NDIS 3.0 drivers ä...

  • Page 21: Configuring The Adapter

    ONFIGURING THE This chapter explains how to configure the Fast EtherLink EISA adapter using the EISA configuration diskette that came with your computer and the EtherDisk diskette supplied with the adapter. The configuration process is shown in Figure 3-1. Configure the adapter using the EISA configuration utility.

  • Page 22: Etherdisk Diskette

    3: C HAPTER ONFIGURING THE EtherDisk Diskette The EtherDisk diskette supplied with the Fast EtherLink EISA adapter contains the following: An adapter configuration (!TCM5970.CGF) file used by the EISA configuration utility on the EISA diskette The Configuration and Diagnostic Program for running diagnostics on the adapter and changing the Media Type, Network Driver Optimization, or Full Duplex settings (if desired) after initial configuration...

  • Page 23: Using Windows 95

    EISA configuration utility program by following these steps: 1 Turn on the computer. The computer will display a message notifying you that a new hardware device (the 3Com EtherLink III EISA adapter) has been detected. The message asks you to run the system (EISA) configuration utility.

  • Page 24: Software Option Settings

    3: C HAPTER ONFIGURING THE 2 Complete one of the following instructions: If your computer supplies this utility on its hard disk, follow the instructions displayed on the screen to run the utility. Alternatively, insert the EISA configuration utility diskette provided with your computer and follow the instructions displayed on the screen.

  • Page 25: Media Type

    Table 3-1 Software Configuration Options Option Media Type Network Driver Optimization Full Duplex Media Type Two media speeds and the Auto Select Media Type function are available, as shown in Table 3-1. Refer to the section “Auto Select Media Type” in Chapter 2 for information on this function.

  • Page 26: Changing The Settings

    INSTALL [Enter] 5 The first time you use the EtherDisk diskette, a license screen appears. To accept the terms and conditions of the 3Com end-user software license agreement, type the following: 6 When the Auto Installation screen appears, as shown in Figure 3-2, press [Enter].
  • Page 27 3Com's auto installation software (AutoLink) automatically configures your adapter and workstation for use as a NetWare client. To use AutoLink: * Have only one 3Com EISA Bus Master adapter installed * Use NetWare v2.X, v3.1X, or v4.X as your network operating system * Have DOS on the client being installed AutoLink edits your AUTOEXEC.BAT and CONFIG.SYS files and saves the old...
  • Page 28 3: C HAPTER ONFIGURING THE 9 If you have multiple adapters installed, as shown in Figure 3-4, use the arrow keys to select the desired adapter and press [Enter]. The Fast EtherLink EISA adapter is referred to on this screen by the product number 3C597-TX.

  • Page 29: Multiple Adapter Option Configuration

    Configuration and Diagnostic Program Quit Install Test View 3Com 3C597-TX in Slot 2: Node Address = 0060BC001358 3Com 3C597-TX in Slot 3: Node Address = 0060BC001368 Select the adapter to be configured and/or tested. (C) Copyright 1995, 3Com Corporation. All Rights Reserved [ENTER]=<Select>...

  • Page 30: Loading Network Drivers

    NetWare (Client/server) Figure 4-1 Overview of Loading Network Drivers If you are using Novell use 3Com’s AutoLink automatically loads all the NetWare DOS ODI client software, including drivers. Follow the instructions in the section “Loading NetWare ODI Drivers.” If you are running Windows 95, you must import the driver from the EtherDisk diskette.

  • Page 31: Locating The Network Drivers

    (3C592). The 3C59X driver is not compatible with non-bus mastering 3Com adapters (for example, 3C509B). The latest version of the EtherDisk diskette is available on 3Com’s Bulletin Board Service (BBS). For information on accessing the BBS, refer to Appendix B, “Technical Support.”...

  • Page 32: Loading Netware Odi Drivers

    Procedure 1 Boot your computer from a plain DOS diskette. 2 Type install at the DOS command prompt to run the 3Com install program. 1 Exit Windows completely (select File, Exit Windows, OK). 2 Type install at the DOS command prompt to run the 3Com install program.

  • Page 33: Autolink Requirements

    README.TXT file located in the QINSTALL\SERVER directory on the 3C59X EtherDisk diskette. DOS ODI client drivers that support the 3Com EISA adapter support shared interrupts. However, since there is no industry standard to support shared interrupts, other adapters may support them differently, or not at all.
  • Page 34 4 The first time you use the diskette to install an adapter, a license screen appears. To accept the terms and conditions of the 3Com end-user software license agreement, type the following: To view the full text of the license agreement, press [F1].

  • Page 35: Auto Installation Information Screen

    3Com's auto installation software (AutoLink) automatically configures your adapter and workstation for use as a NetWare client. To use AutoLink: * Have only one 3Com Bus Master adapter installed * Use NetWare v2.X, v3.1X, or v4.X as your network operating system * Have DOS on the client being installed AutoLink edits your AUTOEXEC.BAT and CONFIG.SYS files and saves the old...

  • Page 36: Multiple Eisa Adapters In A Client

    If you experience problems that occur only when using the AutoLink program, display or print the AUTOLINK.LOG file. The AUTOLINK.LOG file contains a log of all the events that occurred during the AutoLink installation and configuration process. a To display the file, type: type autolink.log | more b To print the file, type: print autolink.log...
  • Page 37 4: L HAPTER OADING If you are running NetWare and you need to install multiple 3C597-TX Fast EtherLink EISA adapters in an EISA-compliant computer, follow these steps to install the NetWare ODI client driver: 1 Make sure your computer is turned off. Install the first adapter. 2 Connect the network cable to the adapter.

  • Page 38: Finding The Adapter's Slot Number

    b Remove the EISA configuration diskette and exit the program. c Restart the computer. 12 Access the C:\NWCLIENT subdirectory. 13 Edit the NET.CFG file, which is in the NWCLIENT subdirectory, as follows: a In the LINK DRIVER 3C59X section of the NET.CFG file, add the following: Slot 3 FRAME ETHERNET_802.2...

  • Page 39: One Eisa Adapter In A Server

    4-10 4: L HAPTER OADING 2 Select Configuration/Diagnostic/Troubleshooting, and press [Enter]. 3 In the next screen, select Configuration and Diagnostic Program, and press [Enter]. The next screen lists the installed adapters. Write down their slot numbers. 4 Exit the program. If you are using an ODI driver with multiple adapters already installed and you have not updated the NET.CFG file, specify which adapter you want the driver to recognize by adding...

  • Page 40: Multiple Eisa Adapters In A Server

    Loading NetWare ODI Drivers 4-11 For complete details on loading the NetWare 4.x server driver for your NetWare version, refer to the readme files, which are in the \NETWARE\SERVER subdirectory on the EtherDisk diskette. The readme files are named as shown below: README.40X README.41 README.311...

  • Page 41: Finding The Adapter's Port Address For Multiple Adapters

    4-12 4: L HAPTER OADING The 3C59X EtherDisk diskette contains a NetWare 4.x server driver (3C59X.LAN) and the NetWare Loadable Modules (NLMs) that enable the NetWare 4.x driver to be used with NetWare 3.11, 3.12, or 4.0x software. These files are found in the \NETWARE\SERVER subdirectory.

  • Page 42: Netware Driver Installation

    6 Repeat steps 3 and 4 for each adapter. 7 Exit the program. NetWare Driver Installation To install the 4.x server driver, follow these steps: 1 Copy the contents of the appropriate \NETWARE subdirectory to the boot partition of the server‘s hard disk. 2 When you start the server, enter the following commands: For NetWare 3.11: load C:LSLENH.NLM [Enter]...

  • Page 43: Loading Windows 95 Drivers

    4-14 4: L HAPTER OADING Loading Windows 95 Drivers If you have Windows 95 running on your computer, you must load the driver from the EtherDisk diskette. Follow these steps: 1 After inserting the Fast EtherLink EISA adapter, connecting it to the network, and running the configuration utility program, reboot your computer.

  • Page 44: Ndis Drivers

    2 Select Network Drivers in the main menu. 3 Select the appropriate driver for your network operating system from the menu choices. The menu program copies the selected driver to a specified disk drive directory. 4 Refer to the on-line readme files on the 3C59X EtherDisk diskette for information about working in other network operating systems.

  • Page 45: Additional Drivers

    Management Information File (MIF) included with the DMI software. DMI supports NetWare ODI DOS and NDIS DOS drivers. For information about DMI software and instructions on how to install it, access 3Com’s BBS, as described in Appendix B. ETWORK RIVERS â...

  • Page 46: Performing Troubleshooting And Diagnostic Tests

    ERFORMING ROUBLESHOOTING AND IAGNOSTIC This chapter explains how to isolate and solve Fast EtherLink EISA adapter problems. Make sure that the adapter is correctly installed and configured in a computer with the Extended Industry Standard Architecture (EISA) bus. Figure 5-1 illustrates how the procedures in this chapter might be used.

  • Page 47: Diagnostic Tests Overview

    5: P HAPTER ERFORMING The 3Com diagnostic program is a DOS program. If you are running an operating system or interface other than DOS, refer to the section “Accessing DOS” in Chapter 4. Diagnostic Tests Overview The diagnostic tests on the 3C59X EtherDisk diskette check the adapter’s overall operation and permit the isolation of faults.

  • Page 48: Types Of Tests

    Types of Tests The diagnostic tests are divided into the following groups. The Group 1 tests (default) check the physical components and circuitry on the adapter. The Group 2 test (Network Loopback Test) is not used on twisted-pair adapters such as the Fast EtherLink EISA adapter. The Group 3 test (Echo Exchange Test) tests the adapter’s ability to transmit and receive data while on the network.

  • Page 49: Command Line Access

    ERFORMING 4 The first time you use the EtherDisk diskette, a license screen appears. To accept the terms and conditions of the 3Com end-user software license agreement, type the following: 5 When the auto installation screen appears, as shown in Figure 3-2, press [Enter].

  • Page 50: Running The Group 3 Test

    The echo server receives packets from the adapter being tested and echoes them back to the adapter. The second computer must contain a 3Com adapter running at the same speed as the Fast EtherLink EISA adapter (10 Mbps or 100 Mbps).

  • Page 51: Setting Up An Echo Server

    Setting Up an Echo Server To test 10 Mbps operation of the Fast EtherLink EISA adapter, use a computer as an echo server that contains a 3Com 10 Mbps adapter or another Fast EtherLink EISA adapter running at 10 Mbps.

  • Page 52: Starting The Group 3 Test

    Table 5-1 Non-Bus Master Adapter and Diagnostic Program Names Diagnostic Program Name Adapter 3C503 3C505 3C507 3C5X9CFG 3C523 3C523TP 3C527 3C59XCFG.EXE Starting the Group 3 Test To run the Group 3 test on a Fast EtherLink EISA adapter, follow these steps: 1 Start the Configuration and Diagnostic Program.

  • Page 53: Getting Help If A Test Fails

    5: P HAPTER ERFORMING Getting Help If a Test Fails If any test fails, you can get additional information as follows: Select the test that failed in the Run Tests dialog box and press [Enter]. Select the Zoom button and press [Enter]. If the diagnostic tests fail, the adapter may not be defective.

  • Page 54: Changing The Test Setup

    If the working adapter passes all tests, the original adapter is probably defective. For information on returning products for repair, refer to Appendix B, “Technical Support.” 6 Install the adapter in another functioning EISA computer and run the tests again. Your computer may be defective.

  • Page 55: Miscellaneous Checks

    5-10 5: P HAPTER ERFORMING 3 To change a setting in any field, follow these steps: a In the Group Select box, use the arrow keys to select a test group. b In the Group X Tests box, use the arrow keys to highlight a test.

  • Page 56: Leds

    LEDs Each Fast EtherLink EISA adapter has three LEDs, as shown in Figure 5-2. A C T 1 0 0 Figure 5-2 Fast EtherLink Adapter Backplate Table 5-2 summarizes Fast EtherLink EISA adapter LED functions. The adapter must be physically connected to the network and network drivers must be loaded for the LEDs to work.
  • Page 57 5-12 5: P HAPTER ERFORMING ROUBLESHOOTING AND IAGNOSTIC ESTS If you experience any problems, first make sure that the appropriate driver is loaded, that the proper cable is connected to the adapter port, and that the hub complies with the adapter specifications (10 Mbps 10BASE-T or 100 Mbps 100BASE-TX).

  • Page 58: Specifications

    This appendix lists the specifications for the Fast EtherLink EISA adapter. It also contains pin assignments for the adapter’s RJ-45 connector. Adapter Card Specifications Network Interface 10 Mbps Ethernet 10BASE-T 100 Mbps Ethernet 100BASE-TX Physical Dimensions Length: Height: Environmental Operating Range Operating temperature: 0˚...

  • Page 59: A-1 Rj-45 Connector Pin Assignments

    A: S PPENDIX PECIFICATIONS RJ-45 Connector Pin Assignments Figure A-1 shows the RJ-45 connector pin assignments. R D – ( 6 ) R D + ( 3 ) T D – ( 2 ) T D + ( 1 ) Figure A-1 RJ-45 Connector Pin Assignments When Category 5 UTP cable is used, the pin assignments are identical for 10BASE-T and 100BASE-TX.

  • Page 60: Technical Support

    3Com provides easy access to technical support information through the variety of services described in this appendix. On-line Technical Services 3Com offers worldwide product support seven days a week, 24 hours a day, through the following on-line systems: 3Com Bulletin Board Service (3ComBBS)

  • Page 61: World Wide Web Site

    3ComFacts Automated Fax Service 3Com Corporation’ s interactive fax service, 3ComFacts, provides data sheets, technical articles, diagrams, and troubleshooting instructions on 3Com products 24 hours a day, seven days a week. Call 3ComFacts using your touch-tone telephone. International access numbers are: UPPORT ä...

  • Page 62: Support From Your Network Supplier

    A list of system hardware and software, including revision levels Details about recent configuration changes, if applicable If you are outside the U.S. and Canada, contact your local 3Com sales office to find your authorized service provider: Country Telephone Number...

  • Page 63: Returning Products For Repair

    Japan (81) (3) 33457251 Returning Products for Repair A product sent directly to 3Com for repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to 3Com without an RMA number will be returned to the sender unopened, at the sender’s expense.

  • Page 64: Glossary

    I/O base address, checking for the network connection, and detecting the correct frame type. Auto Select Media Type A 3Com utility that detects the type of network cable connected to the adapter and automatically selects that connection for LOSSARY â...
  • Page 65 LOSSARY data transmission. This function is implemented by all NetWare ODI drivers, Windows for Workgroups drivers, NDIS 2.01 drivers, and Windows NT and Windows 95 drivers. Backbone The main transmission medium used to interconnect the workgroup areas of a network. It is usually coaxial or fiber. Backplane A motherboard assembly in a PC with connectors and printed circuit traces into which printer circuit boards are inserted.
  • Page 66 Echo server A computer set up to function as an “echo” to the primary computer. An echo server receives packets from the adapter being tested and echoes them back to the adapter. EISA Extended Industry Standard Architecture. The EISA 32-bit extended AT personal computer bus architecture is compatible with the 16-bit ISA architecture.

  • Page 67: Twisted-Pair

    LOSSARY NDIS Network Driver Interface Specification. Defines the LAN Manager network driver architecture and interfaces that let a DOS or OS/2 system support network adapters. This architecture provides a standardized way to write drivers for network adapters. NetWare A series of network operating systems and related products made by Novell, Inc.

  • Page 68: Index

    Ethernet networks 2-5 Media Type option 3-5 3C597.SET file 3-8 3C59X.COM file 4-3 3C59X.LAN file 4-10, 4-12, 4-13 3C5X9 drivers 4-10 3Com Bulletin Board Service (3ComBBS) B-1 3Com sales offices B-3 3ComFacts 4-2, B-2 accessing DOS 4-2 adapter(s) configuring 3-1...
  • Page 69 NDEX diagnostic tests changing test setup 5-9 command line access 5-4 echo server 5-6 failed 5-8 Group 1 5-3, 5-4, 5-5 Group 2 (not used) 5-3 Group 3 (Echo Server) 5-3, 5-5 running under Windows 95 5-3 starting 5-3 DOS, accessing 4-2 DOS ODI client 4-1, 4-3, 4-4, 4-5, 4-7 driver agents 4-16 drivers...
  • Page 70 NDIS drivers 4-15 NetWare 4.x server driver 4-10, 4-12 DOS ODI client driver 4-3, 4-4 environment 4-3 installing drivers 4-3 with a server 4-10 with multiple adapters 4-8, 4-9 NetWare Loadable Modules (NLMs) 4-10, 4-12 NETWARE\SERVER subdirectory 4-11 network connecting to 2-5 drivers 4-1 interface A-1 management 4-16...

  • Page 71: Limited Warranty

    Other hardware products Spare parts and spares kits If a product does not operate as warranted during the applicable warranty period, 3Com shall, at its option and expense, repair the defective product or part, deliver to Customer an equivalent product or part to replace the defective item, or refund to Customer the purchase price paid for the defective product.
  • Page 72 AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE OR USE OF ITS PRODUCTS. 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY...

  • Page 73: Fcc Classb Certification Statement

    This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No. 004-000-00345-4. NOTE: In order to maintain compliance with the limits of a Class B digital device, 3Com requires that you use quality interface cables when connecting to this device. Changes or modifications not expressly approved by 3Com could void the user’s authority to operate this equipment.
  • Page 74 Part 4: Electrical fast transient/burst requirements.”—Severity level 2. A “Declaration of Conformity” in accordance with the above standards has been made and is on file at 3Com Corporation. indicates compliance of this equipment to the EMC directive of the...

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