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®
OfficeConnect
Wireless 11g Cable/DSL Gateway
User Guide
3CRWE554G72
http://www.3com.com/
Part No. DUA0055-4AAA01
Rev. 01
Published July 2003
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3Com Corporation Copyright © 2003, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or 5500 Bayfront Plaza adaptation) without written permission from 3Com Corporation. Santa Clara, California 3Com Corporation reserves the right to revise this documentation and to make changes in content from time 95052-8145 to time without obligation on the part of 3Co
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CONTENTS ABOUT THIS GUIDE Naming Convention 7 Conventions 8 Feedback about this User Guide 8 Related Documentation 9 Product Registration 9 1 INTRODUCING THE GATEWAY OfficeConnect Wireless 11g Cable/DSL Gateway 11 Gateway Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 16 2 HARDWARE INSTALLATION Introduction 19 Safety Information 19 Positioning the Gateway 19 Using the Rubber Feet 20 Wall Mounting 20 Before you Install your Gateway 21 Powe
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Macintosh 27 Disabling PPPoE and PPTP Client Software 28 Disabling Web Proxy 28 4 RUNNING THE SETUP WIZARD Accessing the Wizard 29 Password 32 Time Zone 32 WAN Settings 33 LAN Settings 38 DHCP 38 Wireless Settings 39 Summary 40 5 GATEWAY CONFIGURATION Navigating Through the Gateway Configuration Pages 41 Main Menu 41 Option Tabs 42 Welcome Screen 42 Notice Board 42 Password 43 Wizard 44 LAN Settings 44 Unit Configuration 44 DHCP Clients List 45 Wireless Settings 47 Configuration 47 Encryption 49
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Special Applications 65 PC Privileges 67 URL Filter 69 Security 73 System Tools 75 Restart 75 Time Zone 76 Configuration 77 Upgrade 78 Status and Logs 78 Status 79 Usage 79 Logs 80 Support/Feedback 80 Support 81 Feedback 81 6 TROUBLESHOOTING Basic Connection Checks 83 Browsing to the Gateway Configuration Screens 83 Connecting to the Internet 84 Forgotten Password and Reset to Factory Defaults 85 Wireless Networking 85 Replacement Power Adapters 87 Alert LED 88 Recovering from Corrupted Software
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How does a Device Obtain an IP Address and Subnet Mask? 97 DHCP Addressing 97 Static Addressing 97 Auto-IP Addressing 97 C TECHNICAL SPECIFICATIONS Standards 100 D SAFETY INFORMATION E END USER SOFTWARE LICENSE AGREEMENT F ISP INFORMATION GLOSSARY INDEX REGULATORY NOTICES FOR THE WIRELESS 11G CABLE/DSL GATEWAY
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ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect Wireless 11g Cable/DSL Gateway (3CRWE554G72). This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks) and Internet gateway systems. If a release note is shipped with the OfficeConnect Wireless 11g Cable/DSL Gateway and contains information that differs from the information in this gu
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8 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device. Warning Information that alerts you to potential personal injury. Table 2 Text Conventions Convention Description The words “enter” When y
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Conventions 9 Example: ■ OfficeConnect Wireless 11g Cable/DSL Gateway User Guide ■ Part Number DUA0055-4AAA01 ■ Page 24 Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to the Support and Safety Information sheet. Related In addition to this guide, each Gateway document set includes one Documentation Installation Guide. This guide contains the instructions you need to install and configure your Gateway. Product R
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10 ABOUT THIS GUIDE
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INTRODUCING THE GATEWAY 1 ® Welcome to the world of networking with 3Com . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the ® networking advantage. The OfficeConnect product range from 3Com has changed all this, bringing networks to the small office. The products that compose the OfficeConnect range give you, the smal
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12 CHAPTER 1: INTRODUCING THE GATEWAY Figure 1 Example Network Without a Gateway When you use the Gateway in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Gateway, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network. Figure 2 Example Network Using a Wireless Cable/DSL Gateway
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Gateway Advantages 13 Gateway The advantages of the Gateway include: Advantages ■ Shared Internet connection for both wired and wireless computers ■ High speed 802.11g wireless networking ■ No need for a dedicated, “always on” computer serving as your Internet connection ■ Cross-platform operation for compatibility with Windows, Unix and Macintosh computers ■ Easy-to-use, Web-based setup and configuration ■ Provides centralization of all network address settings (DHCP) ■ Acts as a Virtual serv
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14 CHAPTER 1: INTRODUCING THE GATEWAY Minimum System Your Gateway requires that the computer(s) and components in your and Component network be configured with at least the following: Requirements ■ A computer with an operating system that supports TCP/IP networking protocols (for example Windows 95/98/NT/Me/2000/XP, Unix, Mac OS 8.5 or higher). ■ An Ethernet 10Mbps or 10/100 Mbps NIC for each computer to be connected to the four-port switch on your Gateway. ■ An 802.11b or 802.11g wireless
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Front Panel 15 ■ The administrator has invoked the Reset to Factory Defaults command, or ■ The system software is in the process of being upgraded In each of these cases, wait until the Gateway has completed the current operation and the alert LED is Off. Flashing slowly - The Gateway has completed the Reset to Factory Defaults process, and is waiting for you to reset the unit. To do this, remove power, wait 10 seconds and then re-apply power. The Gateway will then enter the start-up sequen
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16 CHAPTER 1: INTRODUCING THE GATEWAY 5 Cable/DSL Status LED Green (100Mbps link) / yellow (10Mbps link) If the LED is on, the link between the Gateway and the cable or DSL modem is OK. If the LED is flashing, the link is OK and data is being transmitted or received. If the LED is off, nothing is connected, the modem is switched off or there is a problem (refer to Chapter 6 “Troubleshooting”). Rear Panel The rear panel (Figure 4) of the Gateway contains four LAN ports, one Ethernet Cable/DS
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Rear Panel 17 depending on the device to which they are connected and the type of cable used. 10 Four 10/100 LAN ports Using suitable RJ-45 cable, you can connect your Gateway to a computer, or to any other piece of equipment that has an Ethernet connection (for example, a hub or a switch). The LAN ports will automatically set themselves to MDI or MDIX depending on the device to which they are connected and the type of cable used.
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18 CHAPTER 1: INTRODUCING THE GATEWAY
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HARDWARE INSTALLATION 2 Introduction This chapter will guide you through a basic installation of the Gateway, including: ■ Connecting the Gateway to the Internet. ■ Connecting the Gateway to your network. ■ Setting up your computers for networking with the Gateway. Safety Information WARNING: Please read the “Safety Information” section in Appendix D before you start. VORSICHT: Bitte lesen Sie den Abschnitt “Wichtige Sicherheitshinweise” sorgfältig durch, bevor Sie das Gerät einschalten. AVER
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20 CHAPTER 2: HARDWARE INSTALLATION When positioning your Gateway, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ Water or moisture cannot enter the case of the unit. ■ Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) cle
