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After unpacking the SMC7904BRA, check the contents of the box
to be sure you have received the following components:

One ADSL2 Barricade

TM

Broadband Router

One Power Adaptor

One User Manual CD

One cable (RJ-11) for connection to the phone line

One cable (RJ-45) for optional connection to a LAN device

One * ADSL splitter 

*

The ADSL splitter (also called microfilter) is only contained in packages 

related to specific countries (US, UK, France, The Netherlands)

If your package does not contain a splitter, you may be required to
purchase this item separately. Please contact your ISP for further
details. Please inform your dealer in the event of any incorrect,
missing or damaged parts. If possible, retain the carton and original
packing materials in case there is a need to return the product.

Please register this product and upgrade the product warranty at
SMC’s Web site: 

http://www.smc.com

To install and connect to the SMC7904BRA, you must have:

An ADSL line installed by your ISP

An ADSL micro filter/splitter (at least one)

A Computer with a CD-ROM drive and working Ethernet port 

Windows (98 or later), MacOS (9.x or later) or Linux

An up to date web browser:

Internet Explorer 5.5 or later

Mozilla 1.7/Firefox 1.0 or later

Compliance and Warranty

Details regarding compliance and warranty can be found on the 
user manual located on the CD-ROM

Get Connected

Applications

Remote

Pack

ackage C

age Con

onten

ents

Package Contents

Troubleshooting

Configuration

System Requirements

Hardware Description

Disable HTTP Proxy

Netscape

Explorer

Configuring your Macintosh

Configure TCP/IP Settings

Configure the Barricade g

Netscape

Explorer

Explorer

Configuring your Macintosh

Windows 98SE/ME

Windows 2000/XP

Configure TCP/IP Settings

Configure the Barricade g

Quick Installation Guide

ADSL2 Barricade™ ADSL Router 

with Built-in Annex A ADSL2/2+Modem

SMC7904BRA

Hardware Installation

EZ Installation CD

Initial Configuration

Get Connected

Applications

Remote

Package Contents

Troubleshooting

Configuration

System R

em Requir

equiremen

ements

System Requirements

Hardware Description

Disable HTTP Proxy

Netscape

Explorer

Configuring your Macintosh

Configure TCP/IP Settings

Configure the Barricade g

Netscape

Explorer

Explorer

Configuring your Macintosh

Windows 98SE/ME

Windows 2000/XP

Configure TCP/IP Settings

Configure the Barricade g

Quick Installation Guide

ADSL2 Barricade™ ADSL Router 

with Built-in Annex A ADSL2/2+Modem

SMC7904BRA

Hardware Installation

EZ Installation CD

Initial Configuration

Get Connected

Applications

Remote

Package Contents

Troubleshooting

Configuration

System Requirements

Har

Hardw

dwar

are De

e Descrip

cription

tion

Hardware Description

Disable HTTP Proxy

Netscape

Explorer

Configuring your Macintosh

Configure TCP/IP Settings

Configure the Barricade g

Netscape

Explorer

Explorer

Configuring your Macintosh

Windows 98SE/ME

Windows 2000/XP

Configure TCP/IP Settings

Configure the Barricade g

Quick Installation Guide

ADSL2 Barricade™ ADSL Router 

with Built-in Annex A ADSL2/2+Modem

SMC7904BRA

Hardware Installation

EZ Installation CD

Initial Configuration

Front

1. Power (PWR) LED

- When this green LED is on, the router is 

powered up.

2.DSL LED

- This green LED flashes while a link is being set up on 

the ADSL port. The LED stays on when the link has been set up 
and is functioning correctly.

3.Online LED

- This green LED will normally be off but flashes 

when data is sent or received on the ADSL port.

4.LAN LEDs (LAN1, LAN2, LAN3 and LAN4)

- These green LEDs 

turn on when there is an Ethernet connection to the corresponding
LAN port on the back panel (see 9 below) and will flash to 
indicate that data is being sent or received over the connection.

Back

5.ADSL Port

- Use the supplied cable to connect the ADSL port to 

your phone socket. The DSL LED (see 2 above) on the front 
panel will light up when the connection is made and the Online 
LED (see 3) will turn when you are able to send and receive data.

6.Power

- Connect the supplied, 12V power adapter to this socket.

7. Reset

- You can restart the unit by pressing the reset button and

releasing it immediately. If, for any reason, you need to reset the
unit to factory defaults and cannot access the user interface 
(e.g. if you have changed and forgotten the password), press the
reset button for 10 seconds. Note that you will lose all your con
figuration changes when you reset the router to factory defaults.
You may have to use a thin implement, like a straightened 
paper-clip, to reach the switch.

8.On/Off Switch

- When the power adapter is connected and this 

switch is pressed in, your router will power up.

9.LAN Ports (1, 2, 3 and 4)

- There are four Ethernet LAN ports for

connection to PCs, network printers or similar devices. Note the 
labelling; one LAN LED on the front panel is associated with one 
port on the rear panel. Port 1 is associated with the LAN1 LED, 
port 2 with LAN2 and so on. If a device is not correctly connected,
using a suitable Ethernet cable, the associated LED will not turn on.

Ethernet cables are usually constructed from unscreened, “Cat 5”
cable with RJ45 connecters at both ends. Cables of this type can be
purchased at most computer retailers.

Get Connected

Applications

Remote

Package Contents

Trouble

oubleshoo

shooting

ting

Troubleshooting

Configuration

System Requirements

Hardware Description

Disable HTTP Proxy

Netscape

Explorer

Configuring your Macintosh

Configure TCP/IP Settings

Configure the Barricade g

Netscape

Explorer

Explorer

Configuring your Macintosh

Windows 98SE/ME

Windows 2000/XP

Configure TCP/IP Settings

Configure the Barricade g

Quick Installation Guide

ADSL2 Barricade™ ADSL Router 

with Built-in Annex A ADSL2/2+Modem

SMC7904BRA

Hardware Installation

EZ Installation CD

Initial Configuration

Installation Troubleshooting

Check that the Power Adapter is both plugged into a working power 
socket and connected to the Router. Check that the On/Off switch on the 
back of the Router is pressed in and that the green PWR LED on the Router
is turned on. Only use the power adapter that was supplied with your Router.

The wired PC should connect to a LAN port of the Router using an 
Ethernet cable. The corresponding LAN LED of the Router should be on.

The Router ADSL port should be connected to your phone socket on the 
wall. The DSL LED should be on when there is a valid connection to your ISP.
The Online LED will flash when data is transferred to and from the ADSL 
port. 

Power up your equipment in the following order: First the ADSL Router and
then your PC. Leave at least 30 seconds between turning on each device.

The PC should be setup to obtain an IP address automatically from 
the Router's DHCP server. See the user manual on the CD for details 
of how to setup your PC to obtain an IP address.

Check that web proxy is disabled on your PC. Go to the Control Panel 
and select Internet Options. Select the Connections tab and click the 
LAN Settings button. Check that the Use Proxy Server option is not ticked.

Check you can access the Router's web interface. Open a browser and 
enter http://192.168.2.1 to access the default IP address of the Router.

WAN Connection Troubleshooting

Check that you have selected the correct WAN connection option 
and the ISP details are correct. If you do not have these details, they 
can be obtained from your ISP.

If you have any PPPoE client applications already installed on your 
PC which were required when your PC was directly connected to the 
DSL modem, they must be disabled.

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