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3Com 3C971-F ATMLINK User Manual

Pci 155 fiber network adapter
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Part No. 09-0897-000
April 1996
3C971-F ATML
PCI 155 F
IBER
N
A
ETWORK
U
G
SER
UIDE
™
INK
DAPTER

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Summary of Contents for 3Com 3C971-F ATMLINK

  • Page 1 3C971-F ATML ® PCI 155 F Part No. 09-0897-000 April 1996 IBER ETWORK DAPTER UIDE ™...
  • Page 2 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 resides in its original IBM ® Personal Computer, Personal System/2 ®...
  • Page 3 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...
  • Page 4 3C971-F ATML ® PCI 155 F Part No. 09-0897-000 Published April 8, 1996 IBER ETWORK DAPTER UIDE ™...
  • Page 5 Corporation. 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 6: Table Of Contents

    ONTENTS BOUT UIDE Introduction How to Use This Guide Conventions NTRODUCTION 3C971-F ATMLink PCI Adapter Product Features Software Drivers 3C971-F Adapter Installation Kit PCI Technology ARDWARE NSTALLATION Installation Overview Tools Required Installing the 3C971-F Adapter NT D INDOWS RIVER NSTALLATION...
  • Page 7 Power Requirements Network Connections Standards Compliance Environment ECHNICAL UPPORT On-line Technical Services 3Com Bulletin Board Service Access by Modem Access by ISDN World Wide Web Site 3ComForum on CompuServe 3ComFacts Automated Fax Service Support from Your Network Supplier Returning Products for Repair...
  • Page 8 NDEX IMITED ARRANTY FCC C LASS ERIFICATION TATEMENT CE N OTICE...
  • Page 9 2-3 SC Duplex Connection 3-1 Network Settings Screen 3-2 Add Network Adapter 3-3 Selecting the Floppy Drive 3-4 Loading the 3C971-F Adapter Hardware Driver 3-5 PCI Adapter Setup 3-6 Configuring the Signaling Transport 3-7 Completed Network Settings 3-8 TCP/IP Configuration with Sample Entries 3-9 Reboot Prompt for Adapter Driver 3-10 LEC Configuration...
  • Page 10 4-10 Change IPX Frame Type 4-11 Locating the Channel Number 4-12 Selecting the Channel Number 4-13 LECS/LES ATM Network Address Entries 4-14 Setting the Network Number 4-15 Prompt for Additional Channels 4-16 Reselect the Driver for Additional Channels 4-17 Selecting the NCF Files Editor 4-18 Selecting the NCF Files Editor 4-10 4-12...

  • Page 11: About This Guide

    BOUT Introduction This guide describes how to install the 3C971-F ATMLink™ PCI 155 Fiber adapter and the network drivers into a host computer system. It is intended for system administrators or those with equivalent technical experience. Throughout this guide, the 3C971-F ATMLink PCI 155 Fiber adapter is referred to as the 3C971-F adapter.

  • Page 12: Conventions

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

  • Page 13: Introduction

    NetWare ™ file servers with Intel ® x86-based processors. The 3C971-F adapter is a full-size, single-slot PCI bus ATM adapter utilizing SONET OC-3c for multimode fiber. Packet-to-cell fragmentation and cell-to-packet reassembly functions take place in the hardware, which converts upper layer protocol data units (PDUs) to and from ATM cells for optimal performance.

  • Page 14: Product Features

    1: I HAPTER NTRODUCTION Product Features The 3C971-F adapter supports the following features: 155 Mbps SONET OC-3c over multimode fiber AAL5 ATM adaptation layer Switched virtual circuit (SVC) software driver UNI 3.0/3.1 standard signaling for switched virtual circuit (SVC) connections ATM Forum standard LAN emulation client LAN emulation configuration server capability...

  • Page 15: Software Drivers

    Software Drivers The ATM device drivers for the 3C971-F adapter are standard Windows NT NDIS and NetWare ODI drivers for Intel PCI-based hardware, and conform to the following: ATM Forum LAN emulation standard, version 1.0 UNI 3.0/3.1 signaling, implemented in Windows NT...
  • Page 16 Bus mastering allows a peripheral device to take control of the system bus and not rely on the central processor. The 3C971-F adapter is a bus master device. The PCI specification supports the following features: High performance.

  • Page 17: Hardware Installation

    Turn off the power to your computer and remove the computer cover. Refer to your system documentation for specific instructions. Install the 3C971-F adapter in an available PCI slot. Replace the computer cover. Connect the appropriate cables. Turn on the power to the computer.

  • Page 18: Installing The 3C971-F Adapter

    2: H HAPTER ARDWARE Keep the 3C971-F ATMLink PCI adapter in the protective antistatic bag until you are ready to install it. To prevent adapter damage due to electrostatic discharge, wear a grounding strap and handle the adapter only by its edges. Do not touch the components or any metal parts on the adapter, except for the backplate.

  • Page 19: Removing Expansion Slot Cover

    Installing the 3C971-F Adapter Mounting screw Expansion slot cover Expansion slots 32-bit PCI slots Figure 2-1 Removing Expansion Slot Cover 7 Insert the 3C971-F adapter in the selected slot, as shown in Figure 2-2. Mounting screw Figure 2-2 Adapter Card Installed in Chassis...
  • Page 20 9 Use the screw removed in step 6 to secure the 3C971-F adapter bracket to the system chassis. 10 Replace the system cover. 11 Connect the 3C971-F adapter to the network. The connectors and cabling available for the 3C971-F adapter are SC duplex type connectors for...

  • Page 21: Sc Duplex Connection

    Installing the 3C971-F Adapter Yellow (status) LED Green (link) LED SC connector port Backplate Adapter backplate SC connector port SC connector Fiber cables to ATM network Figure 2-3 SC Duplex Connection...
  • Page 22 PCI Device Configuration menu in the BIOS. See your system documentation for PCI device configuration. The installation of the hardware for the 3C971-F ATMLink PCI adapter is complete. The next step is to install the network software driver for the adapter card. Refer to Chapter 3 for Windows NT™...

  • Page 23: Windows Nt Driver Installation

    Ethernet interface. Connections are set up and torn down dynamically by the signaling software provided with the 3C971-F adapter. Once the LAN emulation server (LES) has been set up on the ATM network, it is easy to add a LAN emulation client (LEC) to the network.

  • Page 24: Installation Procedures Overview

    Each client has a MAC address, with Client 0 being assigned the true MAC address of the 3C971-F adapter. Clients 1 through 3 have a virtual MAC address, assigned by the driver, that is an increment of the true MAC address. Duplicate MAC addresses cannot occur on the network.

  • Page 25: System Requirements

    System Requirements System Requirements The workstation must meet the following minimum requirements: Intel x86 system running Microsoft Windows NT version 3.51 or later 24 MB of system memory (32 MB of system memory is recommended for multiple VLAN file server applications) 3.5 inch floppy disk drive IP addresses for the enabled LAN emulation clients...

  • Page 26: Installing The Adapter Device Driver

    3C971-F adapter is already installed in the workstation. If the adapter is not installed, refer to Chapter 2 for hardware installation instructions. CAUTION: If the 3C971-F adapter driver is already installed, you must remove it before proceeding with this installation. Refer to the section “Removing a Windows NT Driver”...

  • Page 27: Add Network Adapter

    Installing the Adapter Device Driver Figure 3-1 Network Settings Screen 5 Select the Add Adapter button. The dialog box in Figure 3-2 appears. Figure 3-2 Add Network Adapter 6 Select the down arrow in the Network Adapter Card list box. 7 Select Other at the bottom of the list.

  • Page 28: Selecting The Floppy Drive

    NT D HAPTER INDOWS RIVER NSTALLATION Figure 3-3 Selecting the Floppy Drive 9 Insert the device driver diskette in a floppy disk drive. Use the diskette labeled 3C971-F ATMLink PCI Adapter LANE x86 Driver Installation Diskette for Windows NT Workstation.

  • Page 29: Loading The 3C971-F Adapter Hardware Driver

    floppy drive. 11 Select the OK button. The dialog box in Figure 3-4 appears. Figure 3-4 Loading the 3C971-F Adapter Hardware Driver 12 Select the OK button. The dialog box in Figure 3-5 appears for editing the PCI parameters.
  • Page 30 (recommended), use the Auto Detect setting. Otherwise, you must set a specific interrupt level for the 3C971-F adapter. If the driver fails to recognize the adapter with the Auto Detect setting, you may need to select an interrupt level that coincides with your system BIOS.

  • Page 31: Network Settings Screen

    15 Edit the signaling transport items. a Set debugAPI to OFF (default). The debug option is used as a troubleshooting aid for the 3C971-F adapter. If you experience difficulty in establishing connections with other nodes in the network, setting the debug option to ON produces special messages from the driver to assist in isolating the problem.

  • Page 32: Completed Network Settings

    The following items have been added to the Network Settings screen: Installed Network Software list box: 3C971-F ATMLink PCI Driver 3C971-F ATMLink PCI UNI 3.x Signaling Driver Installed Adapter Cards list box: 3C971-F ATMLink Adapter Client 0 3C971-F ATMLink Adapter Client 1...

  • Page 33: Tcp/Ip Configuration With Sample Entries

    At this stage of the installation, only Client 0 is enabled. Client 0 represents the true MAC address of the 3C971-F adapter and must be configured to your network before exiting the screen. The same is true for any of the remaining clients that will be enabled in the LEC configuration section later in this...
  • Page 34 3-12 3: W NT D HAPTER INDOWS disabled. IP addresses for disabled clients are ignored during actual operation. Contact your network administrator for the required entries in the TCP/IP Configuration table. If needed, refer to the Microsoft Windows NT System Guide for additional information for selecting and entering the TCP/IP configuration values.
  • Page 35 Installing the Adapter Device Driver segment, then an appropriate net mask might be 255.255.255.0. Thus, all host systems sharing common address values in the first three octets would be attached to the same physical network segment. This is commonly called a subnet or sub-network.

  • Page 36: Configuring The Lan Emulation Clients (Lecs)

    3C971-F adapter driver. Configuring the LAN Emulation Clients (LECs) The LEC applications software included with your 3C971-F adapter provides a method for allowing one ATM adapter to communicate with up to four LAN emulation servers (LESs) at a time. In a typical LAN emulation network, the LAN emulation configuration server (LECS) provides a central point...
  • Page 37 The ATM Adapter Interfaces box lists the ATM adapter(s) installed in your computer. The example in Figure 3-10 shows a 3C971-F adapter as ATM Adapter 0 with a MAC address of 00:00:77:85:8b:4e . 5 Set the value in the Interrupt list box.
  • Page 38 6 Select the Configure button. The dialog box in Figure 3-11 allows the user to set the 3C971-F adapter to communicate with up to four LAN emulation servers. Four MAC addresses appear in the Client List box. The first, Client 0, is the default MAC address of the 3C971-F adapter.

  • Page 39: Lec Atm Adapter Configuration

    For example, if you select the LECS option (radio buttons at bottom of dialog box in Figure 3-11), 3Com’s Cellplex 7000 the ELAN name of the LES you want the client to join and the 20-byte ATM Address of the configuration server.
  • Page 40 This is the network name of the server that you prefer the client to join. Configuration servers, such as the 3Com Cellplex 7000, require the ELAN name of the LES you want the client to join. Refer to your server documentation to determine the specific requirements.

  • Page 41: Lec Configuration

    Configuring the LAN Emulation Clients (LECs) LES option: Uses the 20-byte address in the ATM Address box to contact the LAN emulation server directly. f Enter the ATM Address. You must enter the appropriate ATM network address for the LECS or the LES, whichever is selected.

  • Page 42: Lecs/Les Reboot Prompt

    Each time the computer is booted, the driver will contact the LECS or the LES, whichever is enabled for each client. The 3C971-F adapter driver is designed to operate transparently beneath the operating system protocol stack. Refer to the Microsoft Windows NT System Guide for detailed network interface configuration...

  • Page 43: Removing A Windows Nt Driver

    2 Select the Network icon to access the Network Settings screen, shown in Figure 3-13. Figure 3-13 Removing 3C971-F Adapter and Drivers 3 Select 3C971-F ATMLink PCI Adapter Client 0 from the Installed Adapter Cards list. The NT operating system does not allow the user to remove the virtual clients (Client 1 through Client 3) or software drivers individually.

  • Page 44: Confirming Adapter And Driver Removal

    5 Select the Yes button to remove all of the adapter clients and the associated software drivers. The Network Settings screen appears, as shown in Figure 3-15. All 3C971-F adapter clients are removed from the Installed Adapter Cards box. The 3C971-F hardware driver and the signaling driver are removed from the Installed Network Software box.

  • Page 45: Reboot Prompt For Removing Drivers

    Removing a Windows NT Driver 6 Click the OK button in the Network Settings screen. The reboot prompt shown in Figure 3-16 appears. Figure 3-16 Reboot Prompt for Removing Drivers 7 Select the Restart Now button to reboot the computer. Driver removal is complete.

  • Page 46: Net Ware 4.1 Server Driver Installation

    RIVER Overview The 3C971-F ATMLink PCI adapter driver for file servers running Novell standards-based ATM LAN emulation connectivity to an ATM network. This allows you to run legacy LAN applications, Ethernet networking technologies and Ethernet protocols over an ATM network. The procedures in this chapter include all the necessary steps to complete the installation process.

  • Page 47: System Requirements

    “Removing a Driver from NetWare” at the end of this chapter for instructions. Follow the steps below to install the 3Com 3C971-F adapter driver on a NetWare 4.1 file server: 1 With NetWare 4.1 installed and the server up and...

  • Page 48: Netware 4.1 Installation Options

    Loading the Novell NetWare Server Driver Figure 4-1 NetWare 4.1 Installation Options To select an item in any of the NetWare dialog boxes, use the arrow keys to move the highlight bar to the desired line, and press [Enter] to select that item.

  • Page 49: Select Additional Driver

    4 Select Select an additional driver. The window in Figure 4-4 appears. Figure 4-4 Currently Installed Drivers If this is the first installation of the 3C971-F driver, it will not appear in the above list. 5 Press [Insert] to install an unlisted driver.

  • Page 50: Notes For Selecting A Drive

    Loading the Novell NetWare Server Driver Figure 4-5 Notes for Selecting a Drive 6 Insert the 3Com 3C971-F driver diskette in a floppy drive. Use the diskette labeled 3Com 3C971-F ATMLink PCI SVC Driver Installation Diskette for NetWare 4.1 Server (Disk 1 of 1).

  • Page 51: Configuring Network Channels

    After the driver files are copied to the server as per step 10 in the previous section, a dialog box appears, as shown in Figure 4-8. Figure 4-8 Driver Protocols/Parameters Edit The 3C971-F adapter can appear to the network as a single adapter, or as multiple adapters. Channel 1...
  • Page 52 To configure the channels for the 3C971-F adapter, the driver files must be copied to the server as described in the previous section, and you must be at the Protocols/Parameters dialog box shown in Figure 4-8.

  • Page 53: Configuring Tcp/Ip Network Interface

    4: N 4.1 S HAPTER Figure 4-9 Configuring TCP/IP Network Interface a Enter the IP Address. This is the Internet address for the channel client. The format is dotted decimal notation in the form xxx.xxx.xxx.xxx, where xxx is in the range from 0 to 255.

  • Page 54: Change Ipx Frame Type

    Configuring Network Channels Figure 4-10 Change IPX Frame Type b Select a frame type. 4 Edit Channel number. a Use the arrow keys to move the highlight bar to the channel number in the Parameters box, as shown in Figure 4-11. Figure 4-11 Locating the Channel Number b Press [Enter].

  • Page 55: Lecs/Les Atm Network Address Entries

    This is the network name of the server that you prefer the client to join. Configuration servers, such as the 3Com Cellplex 7000™, require the ELAN name of the LES that you want the client to join. Other vendors may require only the 20-byte ATM address of the LECS.
  • Page 56 Configuring Network Channels The last four selections in the Parameters box are used to choose which type of server, LECS or LES, the client is to contact at bootup, and to enter the ATM network address of the server. The term “prefix” in the parameter name refers to the ATM prefix portion of an ATM Network address.

  • Page 57: Setting The Network Number

    Figure 4-14 Setting the Network Number 9 Press [Enter] to accept the assigned number. The dialog box shown in Figure 4-15 appears, asking whether you want to load the driver again and configure another channel for the 3C971-F adapter. ERVER RIVER NSTALLATION...

  • Page 58: Prompt For Additional Channels

    NetWare server’s hard disk instead of the installation diskette. Each channel requires the installation and configuration of a 3C971-F adapter driver. 11 Select the 3C971FSI.LAN in the driver selection dialog box shown in Figure 4-16.

  • Page 59: Editing The Autoexec.ncf File

    4-14 4: N 4.1 S HAPTER ERVER RIVER NSTALLATION The Protocols/Parameters dialog box in Figure 4-8 reappears. If this is the second installation of the driver, the Protocol and Parameter box titles will read 3C971F_2. The third installation will use 3C971F_3, and so forth.

  • Page 60: Removing A Driver From Netware

    Removing a Driver from NetWare 2 Find the last BIND IPX command for the 3C971-F adapter in the AUTOEXEC.NCF file. If Channel 2 is the last channel configuration, the last Bind command should be similar to the following: bind ipx 3C971FSI_2 net=random_8_digits...
  • Page 61 2 Select NCF files options. This opens the AUTOEXEC.NCF file for editing. 3 Remove the LOAD and BIND commands for each channel of the 3C971-F adapter by deleting all lines similar to the following: load 3C971FSI.lan FRAME=Ethernet_802.2 Name=3C971FSI_1 bind ipx 3C971FSI_1 net=random_8_digits load asig 4 Save and exit the AUTOEXEC.NCF file.

  • Page 62: Troubleshooting

    Overview This chapter provides possible solutions for common problems encountered during installation and operation of the 3C971-F adapter. If your problem cannot be resolved with the suggestions and comments that follow, please contact one of 3Com’s technical support services as described in Appendix B.

  • Page 63: Bootup Problems

    5: T HAPTER ROUBLESHOOTING Bootup Problems Problem Possible Solution The computer 1 Check to see if the system is plugged in. does not boot up. 2 Check to see if your monitor is plugged into your video adapter. 3 Check to see if the adapter card is properly seated in the PCI bus expansion slot.

  • Page 64: Adapter Problems

    Adapter Problems Problem Possible Solution Host adapter is The PCI system in your computer is supposed not found. to configure the bus address locations automatically. An address conflict is probably not the problem. If the driver is correctly installed, a driver message should appear in the system driver event log after bootup of your computer.

  • Page 65: Pecifications

    PECIFICATIONS Hardware Memory 512 K buffer 1 K serial EEPROM Optional expansion ROM 128 K control SRAM Bus Interface PCI Local Bus Specification, Revision 2.1 PCI Compliance Checklist 32-bit zero wait state master 132 MBps burst DMA rate 32-bit slave 128 byte FIFO PCI Master Zero wait states...

  • Page 66: Pci Slave

    A: S PPENDIX PECIFICATIONS PCI Slave Memory and configuration cycles Write posting Interrupts Interrupt pin: INTA# Diagnostics LEDs: Green: Live incoming link Yellow: Status Board Dimensions Full-size, raw variable height short-card Length: 167.64 mm Width: 106.68 mm Power Requirements 15 W (3.0 A @ 5 V) Network Connections Connector SC duplex...

  • Page 67: Environment

    ATM adaptation layer AAL5 LAN emulation LANE 1.0 ATM signaling UNI 3.0/3.1 Environment Item Operating temperature Storage temperature Relative humidity Environment Range 0 to 55˚ C 40 to 85˚ C 5% to 95% (noncondensing)

  • Page 68: Echnical Upport

    3Com Bulletin Board Service 3ComBBS contains patches, software, and drivers for all 3Com products, as well as technical articles. This service is available via modem or ISDN seven days a week, 24 hours a day. Access by Modem To reach the service by modem, set your modem to 8 data bits, no parity, and 1 stop bit.

  • Page 69: Access By Isdn

    56 Kbps. To access 3ComBBS using ISDN, dial the following number: (408) 654-2703 World Wide Web Site Access the latest networking information on 3Com’s World Wide Web site by entering our URL into your Internet browser: http://www.3Com.com/...

  • Page 70: 3Comforum On Compuserve

    3ComForum on CompuServe 3ComForum is a CompuServe-based service containing patches, software, drivers, and technical articles about all 3Com products, as well as a messaging section for peer support. To use 3ComForum, you need a CompuServe account. To use 3ComForum: 1 Log on to CompuServe.

  • Page 71: Support From Your Network Supplier

    Support from Your Network Supplier If additional assistance is required, contact your network supplier. Many 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 72: Returning Products For Repair

    1678 79489 * These numbers are toll-free. 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 73: Glossary

    LOSSARY ATM Adaptation Layer. Translates packets of data to 53-byte cells for transmission on the network. The layers are defined to provide different classes of service for ATM connections, and to provide a method of mapping data from a particular class of service into ATM cells in such a way that the data can be remapped into its original format at the other end of an ATM network.
  • Page 74 LOSSARY ATM LAN Topology that consists of ATM switches and computer interfaces that provide high data rate connectivity for voice, video, and data (IP, SNA, and multimedia). Broadcast and Unknown Server. A server within LAN emulation (for ATM networks) that has the ability to receive broadcast requests from all other stations on the network, and forward them to a multicast switch.
  • Page 75 Cell switching Network technology that is used for delay-sensitive traffic such as voice and video. Cell Loss Priority. The last bit of the fourth byte in an ATM cell header. This bit indicates the cell discard priority. If this bit is set, the network can discard the cell when the network is congested and conditions warrant dropping the cell.
  • Page 76 LOSSARY ILMI Interim Local Management Interface. The ATM Forum standard for incorporating network management into ATM networks. ILMI can be used as a monitor for transfers between a router and an ATM switch, reporting CRC error rates and performance dips. Internet Protocol.
  • Page 77 MBps Megabytes. (1024 x 1024 bytes) per second. Multicast A technique that allows copies of a single packet or cell to be passed to a selected set of end stations. Multimode A large-core (62.5 micron) optical fiber through which multiple signals will propagate. Network-to-Network Interface.
  • Page 78 LOSSARY Permanent Virtual Circuit. An ATM mode in which the communication circuit between two nodes on a network is manually set up and torn down. Segmentation and Reassembly. A procedure that breaks down and reassembles variable-length packets from legacy LAN (Ethernet and token ring) applications.
  • Page 79 STM-1 Synchronous Transfer Mode, level 1. A European standard defining a signal with a data rate of 155.52 Mbps. Switched Virtual Circuit. Creates a dynamic connection between two network nodes. SVCs are created “on demand” and are torn down upon completion of the data transfer.
  • Page 80 LOSSARY Virtual Path Identifier. A one-byte field in an ATM cell header that, when combined with the VCI (Virtual Circuit Identifier), makes up an ATM address.
  • Page 81 A-2 signaling compliance A-3 ATM network address 3-19, 4-10 AUTOEXEC.NCF, edit of 4-14 bootup problems 5-2 bulletin board service, 3Com B-1 bus interface A-1 cables and connectors 2-4, A-2 CompuServe B-3 computer problems 5-1 conventions, user guide ii debugAPI parameter 3-9 default gateway, configuring 3-13...
  • Page 82 NDEX IP address, configuring 3-12, 4-8 IPX frame type 4-8 LANE compliance A-3 configuration 3-14, 4-7 enable 3-17 explained 3-1, 4-7 LECCONF icon 3-15 LECS/LES option 3-18, 4-10 memory specifications A-1 MTU size 3-8, 3-18, 4-7 multi-LAN explained 4-6 multiple LECs 3-1, 4-7 NetWare ASIG command 4-14 channel numbers 4-9...
  • Page 83 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 84 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...
  • Page 85 Operation of this equipment in a residential area is likely to cause harmful interference, in which case, the user will be required to correct the interference at the user’s own expense. Changes or modifications not expressly approved by 3Com could void the user’s authority to operate this equipment. CE NOTICE...
  • Page 86 Your comments concerning 3Com publications are important to us. Please take the time to complete this form. Your suggestions and comments will help us improve our future publications. Thank you. 3C971-F ATMLink PCI 155 Fiber Network Adapter User Guide Publication Title _________________________________________________ 09-0897-000 Part No. ______...
  • Page 87 BUSINESS REPLY MAIL FIRST CLASS PERMIT NO. 1883, SANTA CLARA, CA 3Com Corporation Attn: PCOps Technical Publications P.O. Box 58145 Santa Clara, CA 95052-8145 U.S.A. PLEASE FOLD AND TAPE. POSTAL REGULATIONS PROHIBIT THE USE OF STAPLES. NO POSTAGE NECESSARY IF MAILED...

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