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®
OfficeConnect
Wireless 54Mbps/108Mbps 11g Cable/DSL
Router User Guide
3CRWER100-75(Model:WL-537)
3CRWER200-75(Model:WL-537S)
http://www.3com.com/
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3Com Corporation Copyright © 2006, 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 350 Campus Drive adaptation) without written permission from 3Com Corporation. Marlborough, MA 3Com Corporation reserves the right to revise this documentation and to make changes in content from time USA 01752-3064 to time without obligation on the part of 3Com Corpora
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ABOUT THIS GUIDE This guide describes how to install and configure the OfficeConnect Wireless 54Mbps/108Mbps 11g cable/DSL Router(3CRWER100-75 and 3CRWER200-75). 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 Router systems. If a release note is shipped with the OfficeConnect Wireless 54Mbps/108Mbps 11g cable/DSL Router and contains information
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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 54Mbps/108Mbps 11g cable/DSL Router User Guide ■ Part Number DUA0554-TAAA02 ■ 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 Router document set includes one Documentation Installation Guide. This guide contains the instructions you need to install and configure your Rout
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10 ABOUT THIS GUIDE
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INTRODUCING THE ROUTER 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 ® product range from 3Com networking advantage. The OfficeConnect has changed all this, bringing networks to the small office. The products that compose the OfficeConnect range give you, the small
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12 CHAPTER 1: INTRODUCING THE ROUTER Figure 1 Example Network Without a Router When you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, 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 11g Cable/DSL Router
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Router Advantages 13 Router Advantages The advantages of the Router include: ■ 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 server
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14 CHAPTER 1: INTRODUCING THE ROUTER Minimum System Your Router 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 Router. ■ An 802.11b or 802.11g wireless NIC
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Front Panel 15 ■ The Router has just been started up and is running a self-test routine, or ■ 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 Router has completed the current operation and the alert LED is Off. Flashing slowly - The Router has completed the Reset to Factory Defaults process, and is waiting for you to reset the unit. To do this, remove power, wait 10 second
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16 CHAPTER 1: INTRODUCING THE ROUTER 5 Cable/DSL Status LED Green (100 Mbps link) / yellow (10 Mbps link) If the LED is on, the link between the Router 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 Router contains four LAN ports, one Ethernet Cable/DSL
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Rear Panel 17 9 Ethernet Cable/DSL port Use the supplied patch cable to connect the Router to the Ethernet port on your cable or DSL modem. The port will automatically adjust to the correct speed and duplex, and will set itself to MDI or MDIX 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 Router to a computer, or to any other piece of equipment that has an Ethernet connection (for exam
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18 CHAPTER 1: INTRODUCING THE ROUTER
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HARDWARE INSTALLATION 2 Introduction This chapter will guide you through a basic installation of the Router, including: ■ Connecting the Router to the Internet. ■ Connecting the Router to your network. ■ Setting up your computers for networking with the Router. 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. AVERTISSEM
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20 CHAPTER 2: HARDWARE INSTALLATION When positioning your Router, 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.) clea
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Before you Install your Router 21 When making connections, be careful not to push the unit up and off the wall. CAUTION: Only wall mount single units, do not wall mount stacked units. Before you Install Before you install and configure your Router, you need the following your Router additional information. If you do not have this information, contact your Internet Service Provider (ISP). Space is provided below for you to record this information. If you have a DSL connection and your ISP al
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22 CHAPTER 2: HARDWARE INSTALLATION If your ISP allocates fixed or static IP information, you need the following information: IP Address : ____.____.____.____ Subnet Mask : ____.____.____.____ Default Router address : ____.____.____.____ DNS address : ____.____.____.____ If your ISP allocates IP information dynamically over a protocol other than PPPoE, you do not need any further information. This configuration is typical of cable connections. Powering Up the To power up the Router: Router 1
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Connecting the Router 23 Figure 5 Connecting the Router 11g Cable/DSL Power Router Supply Unit Your existing Cable/DSL Modem Wireless Users Your PC To use your Router to connect to the Internet through an external cable or DSL modem: 1 Insert one end of the supplied Ethernet (RJ-45 Category 5) cable into the Cable/DSL port on the rear panel of the Router. 2 Insert the other end of the cable into the RJ-45 port on your cable or DSL modem. Check that the Cable/DSL status LED lights on the R
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24 CHAPTER 2: HARDWARE INSTALLATION To communicate wirelessly with your Router, your wireless NIC should be set as follows: ■ Encryption — none ■ Service Area Name/SSID — 3Com ■ Channel — 11
