3Com 4000 инструкция обслуживания

® http://www.3com.com/ AccessBuilder ® 4000 Installation Guide Part No. 09-0753-001 Published April 1997 ab4kbook Page i Thursday, March 27, 1997 11:51 AM[...]

ii 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 3Com Corporation, 1997. All rights reserved. No part of this documentation may be repr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation. 3Com Corp[...]

A BOUT T HIS G UIDE Intr oduction This guide describes how to install the AccessBuilder 4000. It will also tell you what information you need to obtain in order to pr epare for installation, how to perform the hardwar e installation, and how to install the T ranscend AccessBuilder Manager (T ABM) configuration utility . Once you have installed T A[...]

iv A BOUT T HIS G UIDE Conventions The following tables list conventions that are used thr oughout this guide. Related Documentation The following additional AccessBuilder documentation may be of value to the system administrator and is available through your normal 3Com ordering channel: ■ AccessBuilder Remote Client Quick Installation Guide (09[...]

v C ONTENTS A BOUT T HIS G UIDE Introduction iii How to Use This Guide iii Conventions iv Related Documentation iv 1 I NTRODUCTION General 1-1 Configuration 1-2 System Description 1-3 Hardwar e Description 1-4 Front Panel 1-4 Rear Panel 1-4 2 G ETTING S TARTED AccessBuilder Configuration: Windows or Command Line UI 2-1 Preparation 2-2 Modems/ISDN[...]

vi Console/Modem Configuration (Optional) 2-10 For T erminal Connection 2-10 For Modem Connection 2-11 T elnet Users 2-11 SNMP Management 2-11 3 C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) General 3-1 System Requirements 3-2 Hardwar e 3-2 Software 3-2 T ABM Software Installation 3-3 About the T ABM Application 3-9 Autodiscove[...]

vii 4 T ROUBLESHOOTING System Does Not Power On 4-1 T ABM Not Communicating with an AccessBuilder 4-1 IP Networks 4-2 IPX Networks 4-2 Attached T erminal or Modem Does Not Operate 4-3 System Does Not Respond to T erminal Commands 4-3 LED Functions 4-4 Error Messages 4-4 A S PECIFICATIONS Hardwar e Specifications A-1 NOS Support A-2 Internet Protoc[...]

viii Attaching I/O Cables C-6 Asynchronous Cards C-6 Synchronous Card C-7 ISDN Card C-8 D C ONFIGURATION W ORKSHEETS Instructions D-1 T ABM Workstation Worksheets D-1 AccessBuilder Server Worksheets D-1 AccessBuilder Client Worksheets D-1 T ABM Workstation on IP Network D-2 T ABM Workstation on IPX Network D-3 AccessBuilder Server D-4 General Infor[...]

1 I NTRODUCTION This chapter provides a brief intr oduction to the AccessBuilder 4000 system. Unpacking instructions are also pr ovided. General The AccessBuilder 4000 series family are RISC-based multipr otocol, multiport networking devices offering a simple and cost-ef fective solution for remote users to access the corporate network for data tra[...]

1-2 C HAPTER 1: I NTRODUCTION The AccessBuilder 4000 is designed for enterprise organizations having remote LAN access r equirements. It is well-suited for situations where up to sixteen analog phone lines or up to eight ISDN lines (one line supports two B channels providing up to 16 concurr ent ISDN connections) are r equired to support remote use[...]

System Description 1-3 Figure 1-1 AccessBuilder 4000 Configuration Options System Description The AccessBuilder 4000 series servers consists of hardwar e and software that pr ovides a cost-effective solution to your remote access networking needs. Both the Ethernet and T oken Ring versions offer the same high performance RISC-based engine. Optiona[...]

1-4 C HAPTER 1: I NTRODUCTION Hardwar e Description The following sections describe the system hardwar e components. The AccessBuilder 4000 system consists of a chassis assembly which contains one of two available main processor boar ds, power supply , indicator lights, and two slots for I/O cards of your choice. The main processor boar d is availa[...]

System Description 1-5 and unshielded twisted pair (UTP) media connections. Ring speeds of 4Mbps or 16Mbps can also be selected. A built-in RS-232 console port (DCE) is also provided on the main processor boar ds (pinout information is provided in Appendix A). A terminal or workstation running a terminal emulation program can be connected to the co[...]

1-6 C HAPTER 1: I NTRODUCTION Power Switch and Receptacle. The AC power switch is marked according to international 1/0 convention; when the 1 side is pressed, the switch is on; when the 0 side is pressed, the switch is of f. The switch and power receptacle ar e accessible from the right rear of the chassis. The international CEE-22 AC power recept[...]

2 G ETTING S TARTED This section is designed to help you to quickly perform the installation of an AccessBuilder 4000 network remote access server . Once you have planned your installation and set up the hardwar e, you are then ready to install and launch the T ranscend  AccessBuilder Manager (T ABM) configuration utility . From there, you’ll[...]

2-2 C HAPTER 2: G ETTING S TARTED Should any of these special circumstances apply to your situation, information about performing the software configuration using the command-line interface is provided in the AccessBuilder Command Line Interface Quick Reference, part number 09-0208-000, and the optional AccessBuilder Configuration Guide, part num[...]

Preparation 2-3 Configuration worksheets are provided in Appendix D as a convenient means of collecting and organizing this information. Modems/ISDN T As 1 Check to be sure the modems or terminal adapters you intend to use are on the built-in modem list (or check the modem list in the Release Notes). This list contains all modems or terminal adapt[...]

2-4 C HAPTER 2: G ETTING S TARTED For ARA and non-AppleT alk users to share the same ports, the use of AppleT alk Remote Access version 2.0 or later is recommended. If, however , you plan to support ARA 1.0, you will need to determine which asynchronous serial ports to use, since these ports will be dedicated to ARA 1.0 only . 2 Y ou will need a li[...]

Unpacking the System 2-5 If you plan to use SNMP functions, such as trap reporting or r emote device management, you will also need to know the community names and IP addresses of the management station(s). Y ou may also wish to define the greeting message the remote users will see when they log onto the AccessBuilder. If the AccessBuilder greetin[...]

2-6 C HAPTER 2: G ETTING S TARTED If the original carton was damaged in shipment, repack the system in a carton that provides equivalent pr otection before returning it to 3Com. 3 V erify that you have received all items included with the unit. If you have not received all items on the packing list, first check the Release Notes for any late chang[...]

Hardware Installation 2-7 Har dwar e Installation The following is a step-by-step procedur e for performing the AccessBuilder 4000 hardwar e installation. Stand Alone Pick a suitable location for the AccessBuilder 4000. Either a desktop or similar level surface may be used. Y ou may also want to locate the modems near the unit. Be sure ther e are n[...]

2-8 C HAPTER 2: G ETTING S TARTED LAN Connection (Mandatory) This connection is requir ed in either Ether net or T oken Ring environments. Ethernet 1 Connect your Ethernet LAN to the appropriate interface connector for your media type (10BaseT , BNC, or AUI). These connectors are located on the rear panel. If a 10Base5 (thick Ethernet) connection i[...]

Hardware Installation 2-9 Figure 2-4 AccessBuilder Ethernet AUI LAN Connection T oken Ring 1 Set the T oken Ring 4M/16M speed switch to the appropriate ring speed and attach the AccessBuilder to your ring. 2 Install and connect your serial card (or car ds) to your modems, CSU/DSU, ISDN line, etc. Refer to Appendix C for details. Power Up If you pla[...]

2-10 C HAPTER 2: G ETTING S TARTED When more than one AccessBuilder is installed on the network (IP or IPX), record the MAC address of each unit (located on the rear panel) so you will know which one you are configuring from T ABM. The Power indicator on the front panel will glow when the AccessBuilder has been powered on. Console/Modem Configura[...]

Console/Modem Configuration (Optional) 2-11 For Modem Connection (Remote AccessBuilder Management Only). Connect the modem (a DCE device) to a null modem cable conforming to the VT -100 specification to the AccessBuilder’ s console port (also DCE) on the rear panel. The modem should be set to power up with default settings of: 9600 Baudrate, 8 b[...]

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3 C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) General The T ranscend AccessBuilder Manager (T ABM) application is a Microsoft W indows-based tool for configuring and managing AccessBuilder remote access servers. Featur es include: ■ Automatic discovery of all AccessBuilder servers that respond on the network ■ At-a-glance[...]

3-2 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) System Requir ements Hardware For best performance, the following system resour ces are recommended: ■ A 486 or better platform ■ A hard disk with at least 3.5Mb of available space ■ At least 16Mb of RAM ■ A VGA video card and VGA compatible color monitor or b[...]

TABM Software Installation 3-3 T ABM Software Installation V ersion 4.0 of the T ranscend AccessBuilder Manager application is provided on CD-ROM. An extraction utility is pr ovided to automatically install the T ABM software from the CD-ROM to your local har d drive, a network server hard drive, or onto two diskettes. Once installed, T ABM is then[...]

3-4 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) Figure 3-1 Welcome Dialog Box 6 The Registration dialog box appears. Enter your name and company name and then choose the Continue button to proceed with installation. Figure 3-2 Registration Dialog Box 7 The Installation Path dialog box appears (Figure 3-3). If you w[...]

TABM Software Installation 3-5 Figure 3-3 Installation Path Dialog Box 8 (IP Only) The TFTP Server Directory box appears (Figur e 3-4) and requests the path of the TFTP server , which is used to upload and download AccessBuilder configuration and system files from and to the AccessBuilder server from a computer’ s disk file. Figure 3-4 TFTP Se[...]

3-6 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) If your TFTP server is installed on a different computer , be sure to copy the following files from the “T ranscend AccessBuilder Manager for Windows” installation diskette to the hard disk director y that contains the TFTP server application files: ABUPCFG.HD0,[...]

TABM Software Installation 3-7 10 At this point, you are pr ompted to replace the first diskette with the second distribution diskette. 11 After the application files are copied to your har d disk, the Installation Complete dialog box is displayed (Figure 3-6): Figure 3-6 Installation Complete Dialog Box 12 T o view the help file choose the Y es[...]

3-8 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) Figure 3-7 AccessBuilder Manager Program Gr oup (T ABMTOOL not in IPX) The AccessBuilder Manager program gr oup contains three icons: ■ T ABM Starts the AccessBuilder Manager application. ■ T ABMTOOL (IP Only) Starts the AccessBuilder Manager T ool (T ABMTOOL) app[...]

About the TABM Application 3-9 About the T ABM Application The T ABM application is an easy-to-use, graphical environment for configuring and monitoring AccessBuilder servers that are r eachable from your network. Autodiscovery In addition to T ABMTOOL listening for new AccessBuilder BootP requests, an autodiscovery facility is included. This faci[...]

3-10 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) Figure 3-8 AccessBuilder Manager Main Window (IP version shown) Highlighting any server in the All Server List displays information about that server in the top half of the main window . The IP address and name data fields in the statistics dialog box are editable, [...]

About the TABM Application 3-11 Figure 3-9 External View (Ether net LAN Adapter shown) T ool Bar Icons The icons in the tool bar shown above are convenient shortcuts to selecting commands from the Menu bar . They are defined in Figure 3-10: Figure 3-10 T ool Bar Icon Definitions Copy Server Configuration. Copies the current server configuration[...]

3-12 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) Download/Upload File . (IP only) Allows (1) AccessBuilder configuration parameters to be uploaded to a specified TFTP server , (2) configuration parameters to be downloaded from a specified TFTP server to a specified AccessBuilder , (3) AccessBuilder server imag[...]

Starting the TABM Application 3-13 Double-click any asynchronous port in the graphical image to configure asynchr onous port parameters for that port. Use the Configuration menu to access other configuration dialog boxes for the displayed server . The single server port status update process is automatically repeated at an interval of n seconds,[...]

3-14 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) 3 At this point, you will want to change T ABM’ s login password from the default to your own. From the Administration menu, choose Change Password [Alt]+[A]+[C]. The Change Passwor d dialog box appears. 4 In the Old Password edit box, type the default passwor d: a[...]

Basic Configuration 3-15 Basically , an AccessBuilder only needs to be discovered in an IPX network in order to pr oceed with it’ s configuration. Once this occurs, you are r eady to perform either the Basic, or Guided Configuration. What’ s Next? Once the AccessBuilder has been discovered and you have enter ed the initial configuration para[...]

3-16 C HAPTER 3: C ONFIGURATION U SING T RANSCEND A CCESS B UILDER M ANAGER (TABM) Configuring an AccessBuilder Using Guided Configuration Guided Configuration enables a more compr ehensive configuration of the AccessBuilder than does the Basic Configuration. When an AccessBuilder server is displayed in the external view window , choose Guided[...]

Remote Client Configuration 3-17 PPP/SLIP Clients The AccessBuilder supports UNIX or PC-based PPP or SLIP clients. Refer to the documentation provided with these packages and the AccessBuilder Server Release Notes for specific types and versions supported. PC Clients The AccessBuilder Remote Client software is provided for use by PC-based clients [...]

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4 T ROUBLESHOOTING This chapter provides tr oubleshooting information which can be used if the AccessBuilder or one of its components fails to operate correctly . If after reviewing the information in this chapter , you cannot correct the problem, contact your AccessBuilder supplier for further assistance. System Does Not Power On If the system fai[...]

4-2 C HAPTER 4: T ROUBLESHOOTING IP Networks 1 Check to be sure you have your thir d-party TCP/IP stack installed correctly . Y ou should be able to ping a known host such as a router or existing workstation. 2 Be sure the AccessBuilder and the T ABM workstation are on the same subnet. If the AccessBuilder and your T ABM workstation are not on the [...]

Attached Terminal or Modem Does Not Operate 4-3 Attached T erminal or Modem Does Not Operate (Only if a local console or modem is attached) If a terminal or modem is attached to the console port and does not seem to be operating properly , follow the troubleshooting pr ocedures recommended by the terminal/modem manufactur er . Also perform the foll[...]

4-4 C HAPTER 4: T ROUBLESHOOTING LED Functions The following table provides additional tr oubleshooting information that may be obtained through observation of the fr ont panel LEDs. Err or Messages The AccessBuilder automatically generates an error message at the console port whenever an error occurs. These messages ar e useful in determining prob[...]

Error Messages 4-5 ■ W ar ning level (default) displays only messages that indicate potential problems detected by the softwar e. The system may continue to function, but it is recommended that you take the action specified in the following section to correct the pr oblem. ■ Error level displays messages that indicate a configuration err or c[...]

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A S PECIFICATIONS This appendix contains the hardwar e specifications for the AccessBuilder 4000 system. Har dwar e Specifications T able A-1 Environmental Specifications Condition Minimum Maximum Storage Temperature -40 ° F (-40 ° C) 168 ° F (78 ° C) Operating Temperature 32 ° F (0 ° C) 122 ° F (50 ° C) Altitude Sea Level 15,000 ft (4,5[...]

A-2 A PPENDIX A: S PECIFICATIONS NOS Support Refer to the AccessBuilder 4000 Release Notes for specific version numbers currently supported. T able A-4 Console Specifications Type Requirements PC or ASCII VT-100 compatible, ASCII code emulation Data Framing/Rate 8 bit data, no parity, one stop bit, 9600 baud rate Flow control Xon/XOff DCE Configu[...]

Internet Protocol Support A-3 Internet Protocol Support RFC Name 791 Internet Protocol (IP) 768 User Datagram Protocol (UDP) 792 Internet Control Message Protocol (ICMP) 793 Transmission Control Protocol (TCP) 826 Ethernet Address Resolution Protocol (ARP) 854 Telnet Protocol (TELNET) 855 Telnet option specification 857 Telnet Echo option (TOPT-ECH[...]

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B R EMOTE S OFTWARE U P /D OWNLOADING P ROCEDURES This appendix describes the procedur es involved in performing remote AccessBuilder software image downloading and configuration file uploads and downloads. These functions can be accomplished using one of three methods: ■ T ABM over an IP network (preferred) ■ T elnet over an IP network ■ U[...]

B-2 A PPENDIX B: R EMOTE S OFTWARE U P /D OWNLOADING P ROCEDURES T ABM This method (preferred) uses T ABM to perform the desired upload/download function over an IP network (requir es a TFTP server to be available -- normally specified as part of the T ABM installation procedur e). Y ou must have T ABM installed on your workstation and can see the[...]

TABM B-3 1 Launch T ABM and allow the autodiscovery process to occur . Locate the target AccessBuilder in the View All Servers list and double-click on the unit. 2 Enter the superuser password for the selected AccessBuilder . 3 Under the T ABM System menu, select the Download/Upload dialog box. 4 Enter the appropriate IP addr ess of the TFTP server[...]

B-4 A PPENDIX B: R EMOTE S OFTWARE U P /D OWNLOADING P ROCEDURES T elnet This method allows you to telnet into the target AccessBuilder’ s command line user interface as a superuser and issue the "load" command to perform the desired transfer function. Although you telnet into the AccessBuilder , the load command uses TFTP as the transf[...]

Console Port B-5 2 V erify that the AccessBuilder IP address and default r outer address have been properly configur ed (see T ABM on-line help or the optional AccessBuilder Software Configuration Guide). 3 If you are updating fr om software version 5.0 or above, use the Load command followed by the desired filename, followed by the TFTP server?[...]

B-6 A PPENDIX B: R EMOTE S OFTWARE U P /D OWNLOADING P ROCEDURES Figure B-3 Remote Download/Upload Using The AccessBuilder Console Port At the AccessBuilder 4000 remote site, you must have a modem connected to the AccessBuilder 4000’ s console port. Use a male DB-25 to male DB-25 null modem cable to connect the modem to the AccessBuilder 4000’ [...]

Console Port B-7 For the PC (terminal emulator), the setup for either direct or modem connection is the same: ■ 9600 baud ■ 8 data bits, 1 stop bit, no parity ■ hardwar e flow control ■ X-Modem binary file transfer For the modem connected to the PC, use the following configuration: ■ 9600 baud ■ hardwar e flow control For the modem [...]

B-8 A PPENDIX B: R EMOTE S OFTWARE U P /D OWNLOADING P ROCEDURES 3 Next, go to the Modem selection and enter the "A T" string required to initialize the modem you have connected to your COM port. 4 Select the T elephone Number selection and enter the phone number of the modem connected to the remote AccessBuilder . 5 At this point this in[...]

Console Port B-9 If you are doing this via a modem you have to redial to the AccessBuilder unit if the modem on the console port was not set to ignore DTR. 5 After system reset, type the following command to start xmodem downloading in nindy: C> do ;start xmodem downloading 6 Insert the “AccessBuilder server software” diskette (to be downloa[...]

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C I NSTALLING I/O C ARDS This appendix describes how to install the W AN interface I/O cards, the cards should be installed befor e you install the server on your network. I/O cards pr ovide an interface between outside users and the network. Physically , each of the I/O card ports is connected to a modem or a switched or dedicated digital line for[...]

C-2 A PPENDIX C: I NSTALLING I/O C ARDS Figure C-1 Asynchronous I/O Car d Major Components and Ports Synchronous I/O Card The synchr onous card provides a V .35, RS-449, RS-232, or X.21 synchronous interface that can be used to inter connect the AccessBuilder to a synchronous modem for digital lease line connections. Figure C-2 shows the major comp[...]

Descriptions of I/O Cards C-3 Figure C-2 Synchronous I/O Car d Major Components and Port ISDN Cards The S/T and U AccessBuilder ISDN adapter cards each have four ports. The U version, with an integrated NT1, is designed for direct connection to ISDN lines in North America, while the S/T version is designed for use in Europe and Japan. The S/T car d[...]

C-4 A PPENDIX C: I NSTALLING I/O C ARDS Installation Overview All of the I/O cards ar e installed in either Slot 1 or Slot 2, below the main processor boar d. The installation procedures for all car ds is basically the same and involves these steps: ■ Removing the card fr om its protective bag ■ Removing the filler panel over the desired car d[...]

Installation Procedure C-5 Figure C-4 Removing a Face Plate Only remove the face plate from the I/O slot you are planning to use. All unused I/O slots must have the face plate installed to maintain proper cooling of the unit and regulatory compliance. Failure to cover open slots can result in overheating and void the warranty . 6 Insert the I/O car[...]

C-6 A PPENDIX C: I NSTALLING I/O C ARDS Figure C-5 Fastening I/O Card Captive Scr ews A solid connection of the I/O card to the chassis is required for proper operation, but the screws should not be used to force the card into place. CAUTION: If the resistance is too great as you slide the card into position, it may mean that the card and backplane[...]

Attaching I/O Cables C-7 1 Connect the RJ-45 end of the cable to the asynchronous port on the I/O card, then attach the DB-25 end of the cable to the modem as shown in Figure C-6. Figure C-6 Connecting a Cable to an Asynchr onous I/O Car d Synchronous Car d 3Com makes four types of cables to accommodate your network requir ements. Each cable has a [...]

C-8 A PPENDIX C: I NSTALLING I/O C ARDS If you have mistakenly received the wrong synchronous cable with your I/O card, contact your supplier for a replacement. T o cable a synchronous car d: 1 Connect the DB-50 end of the cable to the synchronous port on the I/O card, then attach the other end to the CSU/DSU or modem connector , as shown in Figure[...]

Attaching I/O Cables C-9 Figure C-8 ISDN Card Connection SLOT 2 SLOT 1 110-240 VAC 50-60 Hz 1A UTP CONSOLE BNC BNC/AUI/TPE ETHERNET AUI ab4kbook Page 9 Thursday, March 27, 1997 11:51 AM[...]

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D C ONFIGURATION W ORKSHEETS This Appendix provides sample configuration worksheets as a convenience in assisting you to successfully configure the T ABM workstation, the AccessBuilder 4000 servers, and the remote user’ s AccessBuilder Remote Access Client software. This information can then be transferred to the scr eens that appear during the[...]

D-2 A PPENDIX D: C ONFIGURATION W ORKSHEETS T ABM Workstation on IP Network What are the dir ectory paths on this workstation for the following? AccessBuilders to be managed from this T ABM PC (must be on the same Ethernet segment as this workstation -- see T ABM on-line help for information on managing AccessBuilders on differ ent subnets): Workst[...]

TABM Workstation on IPX Network D-3 T ABM Workstation on IPX Network AccessBuilders to be managed from this T ABM PC: Workstation (PC running TABM) IPX Address: What is the TABM password (default = admin)? IPX Server Name Server Location Server SU Password 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ab4kbook Page 3 Thursday, March 27, 1997 11:51 AM[...]

D-4 A PPENDIX D: C ONFIGURATION W ORKSHEETS AccessBuilder Server General Information Asynchronous Port Setup Server MAC Address Server Physical Location Server Name Super User Password Network Security System Type Sign-on Greeting Message Login Options: Normal Disable Login No Password Port Modem Speed Compression Data Type 1 2 3 4 5 6 7 8 9 10 11 [...]

AccessBuilder Server D-5 ISDN Information Interface U S/T Switch Type ATT5ESS NI1 DMS100 INS64 VN3 NET3 Point-to-Point (If yes, no SPIDs or RNs required in North America) Yes No SPID Numbers Directory Number Rotary/Hunt Group Number (if used) Slot 1 Ports Directory Number SPID Router/Auto V.120 or raw Port 1, Ch 1 Port 1, Ch 2 Port 2, Ch 1 Port 2, [...]

D-6 A PPENDIX D: C ONFIGURATION W ORKSHEETS IP Network Information IPX Network Information AppleT alk Network Information Server IP Address Server Net Mask Default Router IP Address Telnet Admin Port (default = 3000) Dial-out Enabled Yes No Remarks Local IPX Network Address Ethernet Data Link Type 802.3 802.2 Ethernet II SNAP Autolearn Remarks Dial[...]

User Table D-7 User T able Users assign to AccessBuilder Name User Name Password Callback Number* Privilege Remarks Access Type (Auto or ARA 1.0**) 512 users maximum on the AccessBuilder 4000 *Callback is only supported when the remote user is running the AccessBuilder Remote Client software. **ARA 1.0 remote users must be assigned to a dedicated A[...]

D-8 A PPENDIX D: C ONFIGURATION W ORKSHEETS Remote Client Remote User Name Date Location PC Type COM Port UART Type COM Port Used for Remote Access Modem Type and Speed Client NOS Client Telephone Number Callback Number Client Telephone Number Additional Phone Book Numbers Remarks ab4kbook Page 8 Thursday, March 27, 1997 11:51 AM[...]

E T ECHNICAL S UPPORT 3Com provides easy access to technical support information thr ough a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, we recommend that you access 3Com Corporation’ s World Wide Web site as described below . Online T e[...]

E-2 A PPENDIX E: T ECHNICAL S UPPORT Access by Digital Modem ISDN users can dial in to 3ComBBS using a digital modem for fast access up to 56 Kbps. T o access 3ComBBS using ISDN, use the following number: 408 654 2703 3ComFacts SM Automated Fax Service 3Com Corporation’ s interactive fax service, 3ComFacts, provides data sheets, technical article[...]

Support from Your Network Supplier E-3 3ComForum on CompuServe ® Online Service 3ComForum is a CompuServe-based service containing patches, software, drivers, and technical articles about all 3Com pr oducts, as well as a messaging section for peer support. T o use 3ComForum, you need a CompuServe account. T o use 3ComForum: 1 Log on to CompuServe.[...]

E-4 A PPENDIX E: T ECHNICAL S UPPORT Support fr om 3Com If you are unable to receive support fr om your network supplier , technical support contracts are available fr om 3Com. Contact your local 3Com sales office to find your authorized service provider using one of these numbers: Regional Sales Office Telephone Number Regional Sales Office Tele[...]

Returning Products for Repair E-5 Returning Products for Repair Before you send a pr oduct directly to 3Com for repair , you must first be obtain a Return Materials Authorization (RMA) number . Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’ s expense. T o obtain an RMA number , call or fax: 02/0[...]

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3Com Corporation L IMITED W ARRANTY H ARDWARE 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: If a product does not operate as warranted above during the applicable warranty period[...]

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 CUSTOMER’S OR ANY THIRD PERSON’S MISUSE, NEGLECT, IMPROPER INSTALLATION OR TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR OR MODIFY, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY [...]