US Robotics Courier V.Everything 3CP3453 Bedienungsanleitung

Courier V.Everything Internal Modem:

Getting Started

FINAL

4/96

p/n 1.024.493

1996 U.S. Robotics Access Corp.

8100 North McCormick Blvd.

Skokie, IL 60076-2999

U.S. Robotics and the U.S. Robotics logo are registered

trademarks of U.S. Robotics Access Corp. V.Fast Class and V.FC

are trademarks of Rockwell International. Any trademarks,

tradenames, service marks or service names owned or registered

by any other company and used in this manual are the property

of their respective companies.

1996 U.S. Robotics Access Corp.

8100 N. McCormick Blvd.

Skokie, IL 60076-2999 USA

Table of Contents

About This Manual iii

We Welcome Your Suggestions.............................................................iii

Chapter 1 The Courier 1-1

Courier Controls and Connectors.......................................................1-3

Features...................................................................................................1-4

Chapter 2 Installing the Courier 2-1

What You Need......................................................................................2-1

Package Contents...................................................................................2-2

Important!...............................................................................................2-2

Plug and Play Setup..............................................................................2-4

Standard Setup.......................................................................................2-5

Setting the DIP Switches.......................................................................2-8

Installing the Courier..........................................................................2-10

Connecting the Cables ........................................................................2-12

Chapter 3 Communicating with the Courier 3-1

Windows 95............................................................................................3-1

Windows 3.x...........................................................................................3-7

Windows NT..........................................................................................3-9

DOS........................................................................................................3-12

OS/2 ......................................................................................................3-12

Linux......................................................................................................3-13

Chapter 4 Setups for Common Windows Software Packages 4-1

America Online 2.0................................................................................4-1

pcAnywhere 2.0 for Windows.............................................................4-4

ProComm Plus 2.0 for Windows.........................................................4-5

Prodigy....................................................................................................4-6

Trumpet Winsock..................................................................................4-7

Win CIM (CompuServe).......................................................................4-7

WinFax PRO 4.0.....................................................................................4-8

Appendix A Technical Specifications A-1

Standards Compatibility......................................................................A-1

Appendix B Warranty and Notices B-1

Limited Warranty................................................................................. B-1

Notices.................................................................................................... B-3

About This Manual

This manual explains how to set up and start using your Courier

V.Everything Internal Modem.

Refer to the Command Reference manual, also included with the

Courier, for detailed information about using advanced features.

We Welcome Your Suggestions

We’ve made every effort to provide you with useful, accurate

information. If you have any comments or suggestions about

these materials, please let us know.

Voicemail: (847) 933-5200

E-mail: [email protected]

Introduction 1-1

Chapter 1

The Courier

The Courier V.Everything Internal Modem makes any

IBM-compatible computer with an Industry Standard

Architecture (ISA) or Extended Industry Standard Architecture

(EISA) expansion bus capable of exchanging data with modems

or fax machines over standard, analog telephone lines at speeds

of up to 33.6 Kbps.

Using the Courier

The most common uses of the Courier modem are accessing the

Internet or online services, accessing corporate networks

remotely, calling bulletin board systems (BBSs), and for sending

or receiving facsimiles or files.

Using the Courier always requires some kind of

communications software. The software required differs

depending on what you’re trying to do.

Accessing the Internet

To access the Internet, you need to set up an account with an

Internet service provider in your area. Often, Internet service

providers supply you with the software you’ll need. In other

cases, support for Internet access is built in to your computer’s

operating system, as is the case with Windows 95.

The software needed to access the Internet is called a TCP/IP

protocol stack. Your TCP/IP protocol stack must provide a

dialing application that is capable of sending data over a serial

line using the Point-to-Point protocol (PPP) or the Serial Line

Internet Protocol (SLIP).

1-2 Courier V.Everything Internal Modems: Getting Started

Calling Online Services

Each online service, such as America Online or CompuServe,

provides its own customized communications software package.

A couple of these packages are included with the Courier. These

packages do the dialing and guide you through the steps of

registration.

Accessing Corporate Networks Remotely

Dialing in to a remote network requires remote access software.

When you dial in to a network, the software makes your remote

computer appear to the network as locally attached. You can

then use your network just as you would if you were there: send

mail, print files, and access LAN drives.

A remote access package is included with the Courier.

Calling Bulletin Board Systems (BBSs)

Calling a BBS requires communications software that does

terminal emulation. The software should also support common,

standard file transfer protocols, such as YMODEM and

ZMODEM.

A communications software package is included with the

Courier.

Sending Facsimiles or Files

Most communications software packages support file transfers

and many support fax operations. You can use fax-capable

software to call fax machines or other fax modems and send

facsimiles.

The Courier 1-3

Courier Controls and Connectors

This section shows the DIP switches and connectors on the

Courier and indicates where to find more information about

each.

To Wall Jack

To Telephone

SEE PAGE 2-12

DIP Switches

SEE PAGE 2-8

Jumpers

SEE PAGES 2-4 & 2-7

Figure 1-1. The Courier V.Everything Modem.

1-4 Courier V.Everything Internal Modems: Getting Started

Features

33.6 Kbps Connectivity

The Courier contains software that enables 31.2 and 33.6 Kbps

connection rates, as well as improves throughput at lower

speeds. While line conditions may not always allow for

33.6 Kbps connections, the new software makes it more likely

that your Courier will achieve and maintain 28.8 Kbps

connections. It can add up to 4800 bps to the average V.34

connection rate.

Selective Reject

Selective Reject is an optional part of the ITU V.42 (LAPM)

specification. This feature improves performance on noisy lines

by reducing the amount of overhead incurred when the protocol

must resend data due to errors.

When selective reject is active, only the frame that contained the

error is resent, instead of the frame plus all of the following

unacknowledged frames. You can disable selective reject by

changing a setting in S-Register 51 (see Appendix A, Alphabetic

Command Summary, in the Courier Modems Command

Reference manual).

Attaining Speeds Above 28.8 Kbps

V.34 connections at 21.6, 24.0, and 26.4 Kbps are common. To

get connections of 28.8, 31.2, and 33.6 Kbps, line quality must be

pristine end-to-end. In addition, 31.2 and 33.6 Kbps connection

rates are possible only when the device to which you are

connecting also runs software that supports speeds above

28.8 Kbps.

If you are curious about the role that line quality plays in

attaining and maintaining high-speed connections, and want to

learn what you can do to improve connections, request the

following document from our Fax on Demand service: Phone

Line Quality and High Speed Connections. The Fax on Demand

number is (800) 762-6163.

The Courier 1-5

V.Everything

The Courier provides full support of the V.34 standard, V.Fast

Class, V.32 terbo, and many other modulation schemes, spanning

the range of speeds between 33.6 Kbps and 300 bps. We call this

unique combination of abilities V.Everything. See the

Compatibility section in Appendix B, Technical Specifications, for

details.

Flash ROM Upgradability

Courier modems are software-upgradable using XMODEM file

transfers, allowing you quick, easy access to updates of the

Courier’s technology. See Chapter 17, Upgrading the Courier’s

Software, in the Courier Modems Command Reference manual.

Dial Security

The Courier’s dial security functionality is part of its operating

software, which allows you to control access at a modem-to-

modem level instead of using software that runs on the host

computer.

With Dial Security, you can prevent unauthorized access to a

system through the use of password prompting and dialback.

Refer to Chapter 9, Dial Security, in the Courier Modems Command

Reference manual.

Remote Configuration and Diagnostics

You can remotely configure and test the Courier. If you are a

network administrator supporting remote users, this feature can

save you time and money. Refer to Chapter 8, Remote Access, in

the Courier Modems Command Reference manual.

Adaptive Speed Leveling (ASL)

Couriers monitor line conditions while connected, and fall back

to the next lower speed—for example, 19.2K, then 16.8K in

V.32terbo mode—if conditions are poor. Couriers also detect

improved line conditions and shift upward to the next higher

speed. Transmit and receive channels adapt independently,

each detecting and adjusting to line conditions.

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