Instruction d'utilisation 3Com OFFICECONNECT 3C886

Instruction d'utilisation pour le dispositif 3Com OFFICECONNECT 3C886

Dispositif: 3Com OFFICECONNECT 3C886
Catégorie: Modem
Fabricant: 3Com
Dimension: 1.85 MB
Date d'addition: 8/3/2014
Nombre des pages: 116
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3Com OFFICECONNECT 3C886 Manuel d'utilisation - Online PDF
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Résumés du contenu
Résumé du contenu de la page N° 1

56K LAN Modem
User Guide
Part No. 984/000027-2
Published March 1999

Résumé du contenu de la page N° 2

3Com Corporation Copyright © 3Com Corporation, 1999. All rights reserved. No part of this documentation may be 5400 Bayfront Plaza reproduced in any form or by any means or used to make any derivative work (such as translation, Santa Clara, California transformation, or adaptation) without permission from 3Com Corporation. 95052-8145 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

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IMPORTANT SAFETY INFORMATION WARNING: Warnings contain directions that you must follow for your personal safety. Follow all instructions carefully. Please read the following information carefully and thoroughly before installing the unit: n Take exceptional care during the installation and removal of the unit. n Use the power adapter supplied with the unit to ensure compliance with national safety standards. n Disconnect the power adapter be

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n Be sure nothing rests on the unit’s system cables and that the cables are not located where they can be stepped on and cause damage to the unit. n Keep the unit away from radiators and heat sources. Allow 1 inch (25mm) around the unit to provide adequate air circulation. n Install the unit in a clean area that is free from dust or extreme temperatures. n Allow a clearance gap of at least a 6 inches (150 mm) from the rear panel of the unit, to allow for cable access. n Interconnec

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TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION Additional Safety Information 3 ABOUT THIS GUIDE Introduction 11 How to Use This Guide 11 Conventions 11 Year 2000 Compliance 12 1 INTRODUCTION Introduction 13 56K Access 13 Applications 13 Local Networking with Access to the Internet 14 Local Networking with Access to a Remote Office 14 Features 15 Ease of Installation and Use 15 High Performance 15 Connectivity

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WAN Connection 21 One High Speed Connection 21 Sharing the Connection 21 Call Routing Protocol and IP Address Translation 22 Placing a Call to a Previously Defined Destination 22 Call Routing While No Other Calls are Connected 22 Understanding VPNs and PPTP 23 Setting Up the Server Side of the Tunnel 24 Setting Up the Client Side of the Tunnel 24 For Windows Dial-Up Networking Users 24 Establishing a Tunnel via the LAN Mode

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56K LAN Modem Main Page 54 Links From the Illustration 54 Links from the Buttons 55 6 ADVANCED CONFIGURATION Advanced Configuration 57 Setting Up Additional Service Providers 57 ISP Versus Private Network 58 When to Select ISP 58 When to Select Private Network 58 Setting Up a Connection to an ISP 58 Before You Begin 58 Setting Up a Connection to the Internet 59 Setting Up a Connection to a Private Network 62 Before You Begin 62 Setting U

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Configuring the LAN Modem Remotely via an Analog Modem 74 7 PLACING, RECEIVING AND DISCONNECTING CALLS Placing Calls 77 Placing a Call Automatically 77 Call Routing Among Service Providers 77 Placing a Call Manually 78 Placing a Call Manually to a Temporary Service Provider 78 Receiving Calls 79 Receiving Voice Calls 79 Receiving Data Calls 79 Auto Answer 79 Disconnecting Calls 80 Disconnecting Calls Manually 80 Disconnecting C

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ABOUT THIS GUIDE About This Guide provides an overview of this guide, describes guide conventions, and tells you where to look for specific information. Introduction This guide describes how to install and configure the 56K LAN Modem and provides descriptions of key applications and networking concepts. Audience Description This guide is intended for end users with no presumed level of expertise. How to Use This table shows where to find specific information in this guide. This Guide Table 1 Spe

Résumé du contenu de la page N° 12

12 ABOUT THIS GUIDE Table 3 Text Conventions Convention Description Commands The word “command” means you must enter the command exactly as shown in text and press the Return or Enter key. Example: To remove the IP address, enter the following command: SETDefault!0 -IP NETaddr = NOTE: This guide always gives the full form of a command in uppercase and lowercase letters. However, you can abbreviate commands by entering only the uppercase letters and the appropriate value. Commands

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INTRODUCTION 1 ® This chapter provides an overview of the OfficeConnect 56K LAN Modem, referred to throughout this document as the 56K LAN Modem or simply as the LAN Modem. Introduction The 56K LAN Modem is an easy to install, Local Area Network (LAN) to Wide Area Network (WAN) personal analog IP router. The LAN Modem provides four built-in 10BASE-T Ethernet connections for the LAN, while utilizing the V.90 ITU 56K standard for WAN access. Combining the 56K LAN Modem with an additional exte

Résumé du contenu de la page N° 14

14 CHAPTER 1: INTRODUCTION Local Networking with Users can share access to the Internet while continuing to network locally, as Access to the Internet shown in Figure 1. OfficeConnect Internet/Intranet Hub 8 TPO or Port Status Network Utilization Office 3 Com online service Connect¨ PWR PKTCOLL 1 234 56 78 COAX 1% 2% 3% 6% 12% 25% 50% 80% Hub Alert green = link OK, off = link fail, yellow = partition OfficeConnect 56K LAN modem Public telephone LAN STATUS 3 Com PWR 1 OfficeConnect™

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Features 15 Features Ease of Installation and Use n Web-based, point-and-click user interface for easy configuration n Automatic Internet configuration verification via your Internet Service Provider (ISP) n Web-based, context-sensitive online help High Performance n Internal 56K modem, capable of transmitting at speeds up to 33.6 Kbps and 1 downloading at speeds up to 56 Kbps (without compression) n V.42/MNP 2-4 error control and V.42 bis/MNP 5 data compression ® n Hi/fn™ LZS compression, which

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16 CHAPTER 1: INTRODUCTION Protocols n IETF PPP (RFC 1661, 1662, 1663) n IETF Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) security (RFC 1994) n MS-CHAP support (as defined in Network Working Group Information Memo: Microsoft PPP CHAP Extensions. S. Cob, Rev. 1.3 March 1997 including only the functionality that keeps with IETF 1994). n IP address negotiation using IPCP (RFC 1332) n Network Address Translation (NAT) between LAN and WAN (RFC 1631)

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Features 17 Warranty n 3Com Corporation Limited Warranty (refer to the end of this User Guide for details) Support for Internet Applications Your 56K LAN Modem supports applications that use the User Datagram Protocol (UDP) and the Transmission Control Protocol (TCP). This protocol is used primarily by Internet games. Look for the latest list of Internet applications and games that interoperate with the LAN Modem at welcome.html

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56K LAN MODEM 2 FUNCTIONALITY DESCRIPTION This chapter provides a description of the 56K LAN Modem’s key functionality, covering the following topics. n Connection Types n Call Routing Protocol and IP Address Translation n Understanding PPTP Connection Types This section discusses LAN side and WAN side connections. 56K Technology Your 56K LAN Modem utilizes the V.90 56K ITU standard, which is backward compatible with all US Robotics 56K standards, and is capable of download 1 speeds of up to

Résumé du contenu de la page N° 20

20 CHAPTER 2: 56K LAN MODEM FUNCTIONALITY DESCRIPTION 10 Mbps Ethernet LAN OfficeConnect Hub 8 TPO Port Status Network Utilization Office 3 Com ¨ PWR PKTCOLL 1 234 56 78 COAX Connect Alert green = link OK, off = link fail, yellow = partition 1% 2% 3% 6% 12% 25% 50% 80% Hub LAN STATUS 3 Com OfficeConnect® Alert PWR AA CD RD SD OH Tx Coll 1 2 3 4 56K LAN Modem OfficeConnect 56KLAN Modem Figure 3 56K LAN Modem Ten Workstation Connection Example An example of the minimum number of connecti

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