3Com OfficeConnect 3CR414492 User manual

http://www.3com.com/
OfficeConnect®
Remote 812 ADSL
Router Getting Started
Guide
Release 2.0
Part No. 10043336 AA
Published March 2001

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3Com Corporation
5400 Bayfront Plaza Santa Clara, California 95052-8145
Copyright ©2001 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 adaptation) without written permission from 3Com 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. 3Com may make improvements or changes in the product(s) and/or the program(s)
described in this documentation at any time.
UNITED STATES GOVERNMENT LEGENDS:
If you are a United States government agency, then this documentation and the software described
herein are provided to you subject to the following:
United States Government Legend: All technical data and computer software is commercial in
nature and developed solely at private expense. Software is delivered as Commercial Computer
Software as defined in DFARS 252.227-7014 (June 1995) or as a commercial item as defined in
FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard
commercial license for the Software. Technical data is provided with limited rights only as provided in
DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not
to remove or deface any portion of any legend provided on any licensed program or documentation
contained in, or delivered to you in conjunction with this Getting Started Guide.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or
may not be registered in other countries.
3Com, the 3Com logo, and OfficeConnect Remote 812 are registered trademarks of
3Com Corporation. 3ComFacts is a service mark of 3Com Corporation.
Acrobat and Acrobat Reader are trademarks of Adobe. Intel and Pentium are registered trademarks of
Intel Corporation. Internet Explorer, Microsoft, MS-DOS, Windows, Windows 95, and Windows NT are
registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of
Novell, Inc. Other brand and product names may be registered trademarks or trademarks of their
respective holders.

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TABLE OF CONTENTS
ABOUT THIS GUIDE
Introduction 1
Conventions 2
1GETTING STARTED
Introduction 1-1
What’s in the Package? 1-1
What Can the OCR 812 Do? 1-2
What Are the Features of This Product? 1-2
SuperNAT 1-5
Virtual Private Networks 1-5
Tunneling Protocols 1-5
Encryption Protocols 1-6
SIP Phone Support 1-6
OCR 812 Boot Mode Options 1-6
Setting DHCP Smart Mode 1-7
Setting Bridge Mode 1-7
Setting Unconfigured Mode 1-8
DIP Switch Settings 1-8
2INSTALLING THE OFFICECONNECT REMOTE 812 ADSL ROUTER
Introduction 2-1
Installing the OCR 812 Hardware 2-1
Back Panel Features 2-1
Configuring the OfficeConnect Remote 812 Hardware 2-3
LED Light Operation 2-4
Configuring the Workstation and Selecting a Mode 2-5
Using DHCP Smart Mode 2-5
Using the Default Bridge Mode 2-5
Using the Unconfigured Mode 2-6
Installing the OfficeConnect Remote 812 Software 2-6
Prerequisites 2-7

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To Install the OfficeConnect Remote 812 Software 2-7
Installing Microsoft Internet Explorer 2-7
Installing Adobe Acrobat 2-8
Installing Instant Update 2-9
To Install Instant Update 2-9
Configuring the OfficeConnect Remote 812 Manager 2-9
Configuring in Bridge Only Mode 2-9
Changing the Login Name and Password 2-9
Configuring in DHCP Smart Mode 2-10
Configuring in Unconfigured Mode 2-10
Using the Remote 812 IP Configuration Wizard 2-10
Using the Command Line Interface 2-10
Starting the OfficeConnect Remote 812 Manager 2-11
Configuration Using the Remote 812 IP Configuration Wizard 2-12
Setting Up a Remote Site Profile 2-12
Remote 812 IP Configuration Wizard Field Descriptions 2-12
Remote Site Name 2-12
Network Service 2-13
ATM VC Parameters 2-13
Port Address Translation 2-14
WAN IP Information 2-14
Resetting the Configuration of Your Router 2-15
3TESTING THE CONFIGURATION
Introduction 3-1
General Testing 3-1
Step 1: Check Interface Status 3-1
Step 2: Check Network Status 3-2
IP Testing 3-3
Option 1: OfficeConnect Remote 812 Manager Ping to ISP or Remote Site
Network 3-3
DNS Errors 3-4
Option 2: DOS Ping to ISP or Remote Site Network 3-4
Option 3: Internet Browser (Internet Access Only) 3-5
Advanced Troubleshooting 3-5

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ACONFIGURING YOUR WORKSTATION TO BEADHCP CLIENT
Workstation Configuration Using DHCP Smart Mode A-1
BSAFETY INFORMATION
Important Safety Information B-2
Wichtige Sicherheitsinformationen B-3
Important notice de securite B-4
Medidas de seguridad importantes B-6
Informazioni importanti per la sicurezza B-7
B-7
CSPECIFICATIONS
Introduction C-1
General Specifications C-1
Power requirements C-1
Temperature requirements C-1
Humidity requirements C-1
MTBF (Mean Time Between Failures) C-1
Jacks C-1
ADSL Interface (one RJ-11 jack) C-2
LAN Interface (four RJ-45 jacks) C-2
Console Interface (DB-9) (Default configured as DCE) C-2
INDEX
FCC DECLARATION OF CONFORMITY
3COM CORPORATION LIMITED WARRANTY

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ABOUT THIS GUIDE
Introduction
The guide describes the features, installation, and initial
configuration of the OfficeConnect®Remote 812 ADSL
Router (OCR 812). The guide is intended for both first-time
and experienced computer network users who want to
install and use the OCR 812.
With your new OCR 812, we have provided an Installation
CD and an Installation Map.
 If you are using Windows, put the Installation CD in
your CD-ROM drive and follow the steps given on the
screens using your foldout Map.
 If your operating system is Macintosh or Unix-based,
you can begin by following the steps on the Map to set
up the hardware and then copying (or referencing) files
on the CD at Step 4. In Step 5, Configure the OCR 812,
you follow the instructions given for the type of Boot
Mode you have configured. There are small differences
in the procedure.
After you have initially configured the unit, you can
implement additional configuration to optimize the unit’s
performance on your network.
Refer to the OfficeConnect Remote 812 Online User’s
Guide (install from your OfficeConnect Remote 812
Installation CD) for advanced configuration options and the
Online HTML Help. Click the help buttons located on the
Tools page and the context-sensitive buttons on the
Configuration page for more information.
This Getting Started Guide is available in Adobe Acrobat
Reader Portable Document Format (PDF) or HTML on the
OCR 812 World Wide Web site located at:
http://www.3com.com/ocr812/

ii ABOUT THIS GUIDE
You can also learn about other 3Com products by going to
the following web site location:
http://www.3com.com/
Conventions
Table 0-1 and Table 0-2 list conventions that are used
throughout this guide.
Ta b l e 0 - 1 Notice Icons
Notice Type Description
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
Ta b l e 0 - 2 Text Conventions
Convention Description
Screen displays This typeface represents information as it appears on the
screen.
The words “enter”
and “type”
When you see the word “enter”in this guide, you must
type something, and then press Return or Enter. Do not
press Return or Enter when an instruction simply says
“type.”
Keyboard key names If you must press two or more keys simultaneously, the
key names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del
Words in italics Italics are used to:
 Emphasize a point.
 Denote a new term at the place where it is defined in
the text.
 Identify menu names, menu commands, and software
button names. Examples:
From the Help menu, select Contents.
Click OK.
 Highlight the name of a referenced book or pdf file.

1GETTING STARTED
Introduction
This chapter provides instructions for pre-installation of the
OCR 812.
 What’s in the Package?
 What can the OCR 812 do?
 What are the Features of this Product?
 OCR 812 Boot Modes
What’s in the Package?
Before you install the OCR 812, check the contents of the
box against the packed contents checklist below. If any of
the items have been damaged in transit or are missing,
contact the 3Com dealer from whom the equipment was
purchased.
The OCR 812 Package contains the following:
 OCR 812 unit
 Power adapter and power cord
 Ethernet cable (RJ-45 —RJ-45)
 DSL cable (RJ-11 —RJ-11)
 Console cable (DB-9 —DB-9)
 OCR 812 Installation Map
 CD-ROM containing the following:
 OfficeConnect Remote 812 ADSL Router Getting
Started Guide (.pdf format only)
 OfficeConnect Remote 812 ADSL Router Online
User’s Guide (viewable in your web browser)
 OfficeConnect Remote 812 CLI User’s Guide (.pdf
format only)

1-2 CHAPTER 1: GETTING STARTED
 Microsoft Internet Explorer version 5.5 in English,
Spanish, and Korean.
 OfficeConnect Remote 812 Manager web-based
help files,the Instant Update Install program, and
the IP Wizard.
Note: The Instant Update Install program and the IP Wizard
are operational only for Windows users at this time.
What Can the OCR 812 Do?
The OCR 812 is a stand-alone BRouter with data interfaces
to a Local Area Network (LAN) and a Wide Area Network
(WAN).
A BRouter is a router with bridging capability that
understands how to route specific types of packets, such as
TCP/IP packets. The bridge function of the Brouter forwards
packets to other network(s) connected to the device.
The following is a representation of how your OCR 812
connects a LAN and WAN:
What Are the Features of This Product?
The following table displays the primary features of the
OCR 812: