3Com 005689-03 Manual de instalação

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FIRST!

Installation

Guide

For Macintosh

part number 1.024.1926-00

Before Y

Befor

e Y

e You Begin

e Y

ou Begin

Make sure that the following items are at hand:

• modem

• RJ11 (standard) phone cord

• power adapter

• serial connecting cable

• this Guide

F F F F F or tr

or tr

or trouble

oubleshooting help or to find out how to cont

ouble

shooting help or to find out how to cont

shooting help or to find out how to contact

shooting help or to find out how to cont

t t t t t e e e e e chnical suppor

chnical support, see the "Suppor

chnical suppor

t, see the "Support Re

t, see the "Suppor

t Re

t Res s s s s ource

ources"

ource

se se

se section on the other side of this Guide.

ction on the other side of this Guide.

Prepare for installation.

Write the modem's serial number in the box

below. The serial number is located on the

white bar code sticker on the underside of the

modem and on the modem's box.

Connect the modem to your

computer.

Shut down your computer. Firmly attach the

enclosed serial connecting cable to both the

modem and the port on the back of your com-

puter marked with

Connect the power adapter to your modem

and plug it into the wall.

act

Connect the modem to an

analog phone line.

Plug one end of the phone cord into the tele-

phone jack of the modem (labeled

) and the

other end into the telephone wall jack.

WARNING:

Many offices and some homes have digital

phone lines. The modem will be damaged if you use a digital

phone line. Call your phone company if you are unsure which

type of line you have.

If you want to use your modem and phone with

the same telephone wall jack, plug your

phone's cord into the other available jack on

the back of your modem.

Once your modem is connected, you may want

to install the RapidComm

software included

with your modem. This allows you to send and

receive faxes or call a local bulletin board

service (BBS).

Install the Connections

CD and

Insert the Connections CD into your CD-ROM

drive. The Connections CD icon will appear on

your desktop, and then a window with a Con-

nections icon and a Readme file inside it will

open. Double-click the Connections icon

within the window.

The Setup Wizard on the CD guides you

through installing the Connections CD and

registering your modem.

For instructions on how to install software

from the CD, see the "Software Installation"

chapter in the electronic User's Guide &

Reference on the CD.

The Serial Int

The Serial Interface

The Serial Int

erface

Macintosh computers require an 8-pin mini-DIN

hardware handshaking cable for high-speed

communications. This cable is included in your

package.

Har

Hardwar

dwar

dware Handshaking Cable Pin Assignments

dwar

e Handshaking Cable Pin Assignments

Mini DIN-8

DB-25 Connector

Handshake Output

HSKo

RTS

DTR

Handshake Input

HSKi

CTS

Transmit Data+

TXD-

TXD

Ground

GND

7 GND

Receive Data+

RXD+

7 GND

Receive Data-

RXD-

RXD

Transmit Data+

TXD+

not connected

Gen. Purpose Input

GPI

not connected

Note:

Note: The Handshake Output pin is connected to

both pins 4 (RTS) and 20 (DTR) on the DB-25 con-

nector.

IMPORTANT! In accordance with the ITU-T standard for 56K transmissions (V.90), this modem is capable of 56 Kbps down-

loads. However, the download speeds you experience may be lower due to varying line conditions and other factors.

Uploads from users to server equipment travel at speeds up to 31.2 Kbps. An analog phone line compatible with the V.90

standard and an Internet provider or corporate host site compatible with the V.90 standard are necessary for these high-

speed downloads.

Connections and RapidComm are trademarks of 3Com Corporation. Macintosh is a registered trademark of Apple Computer,

Inc. All other trademarks are used for identification purposes only and may be trademarks and/or registered trademarks of

their respective companies.